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1,883,013 | How to Build A Weather App in HTML CSS and JavaScript | Are you new to web development and eager to enhance your skills by working on practical projects?... | 0 | 2024-06-10T10:19:45 | https://www.codingnepalweb.com/weather-app-project-html-javascript/ | javascript, html, css, webdev | Are you new to web development and eager to enhance your skills by working on practical projects? Look no further! Building a [weather app](https://www.codingnepalweb.com/build-weather-app-html-javascript/) is an excellent way to begin your journey. With just HTML, CSS, and JavaScript, you can create an application that not only improves your web development abilities but also makes you familiar with JavaScript API calls.
In this blog post, I’ll guide you through building a weather app project using HTML, CSS, and JavaScript from scratch. If you prefer using Bootstrap, I’ve already covered that in a previous blog post on creating a [Weather App in HTML, Bootstrap, and JavaScript](https://www.codingnepalweb.com/weather-app-html-bootstrap-javascript/). However, this weather project has some extra features that make it more useful.
In this weather app project, users can enter any city name to get the 5-day weather forecast or simply click on the “Use Current Location” button to get their current location’s weather details, including temperature, wind speed, humidity, and more. This project is also mobile-friendly, which means it looks great on all devices.
## Video Tutorial of Weather App Project in JavaScript
{% embed https://www.youtube.com/watch?v=SeXg3AX82ig %}
If you prefer learning through video tutorials, this YouTube video is an excellent resource for understanding the process of creating your own weather app project. In the video, I’ve explained each line of code and provided informative comments to make it beginner-friendly and easy to follow.
However, if you like reading blog posts or want to know the steps involved in creating this weather app project, you can continue reading this post. By the end of this post, you will have your own weather app and a basic understanding of the basics of DOM manipulation, event handling, CSS styling, and APIs.
## Steps To Create a Weather App in HTML & JavaScript
To create your weather app using HTML, CSS, and JavaScript, follow these step-by-step instructions:
1. Create a folder. You can name this folder whatever you want, and inside this folder, create the mentioned files.
2. Create an `index.html` file. The file name must be index and its extension .html
3. Create a `style.css` file. The file name must be style and its extension .css
4. Create a `script.js` file. The file name must be script and its extension .js
To start, add the following HTML codes to your `index.html` file. This code includes a weather app header, input, button, and unordered list (ul) that are used as a placeholder for weather details. Later, using JavaScript, we'll replace these placeholders with actual weather details.
```html
<!DOCTYPE html>
<!-- Coding By CodingNepal - www.codingnepalweb.com -->
<html lang="en">
<head>
<meta charset="utf-8">
<title>Weather App Project JavaScript | CodingNepal</title>
<link rel="stylesheet" href="style.css">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="script.js" defer></script>
</head>
<body>
<h1>Weather Dashboard</h1>
<div class="container">
<div class="weather-input">
<h3>Enter a City Name</h3>
<input class="city-input" type="text" placeholder="E.g., New York, London, Tokyo">
<button class="search-btn">Search</button>
<div class="separator"></div>
<button class="location-btn">Use Current Location</button>
</div>
<div class="weather-data">
<div class="current-weather">
<div class="details">
<h2>_______ ( ______ )</h2>
<h6>Temperature: __°C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</div>
</div>
<div class="days-forecast">
<h2>5-Day Forecast</h2>
<ul class="weather-cards">
<li class="card">
<h3>( ______ )</h3>
<h6>Temp: __C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</li>
<li class="card">
<h3>( ______ )</h3>
<h6>Temp: __C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</li>
<li class="card">
<h3>( ______ )</h3>
<h6>Temp: __C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</li>
<li class="card">
<h3>( ______ )</h3>
<h6>Temp: __C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</li>
<li class="card">
<h3>( ______ )</h3>
<h6>Temp: __C</h6>
<h6>Wind: __ M/S</h6>
<h6>Humidity: __%</h6>
</li>
</ul>
</div>
</div>
</div>
</body>
</html>
```
Next, add the following CSS codes to your `style.css` file to apply visual styling to your weather app. Now, if you load the web page in your browser, you will see the header at the top, a sidebar with input and [buttons](https://www.codingnepalweb.com/category/css-buttons/), and weather detail placeholders. You can customize this code to your liking by adjusting the color, font, size, and other CSS properties.
```css
/* Import Google font - Open Sans */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&display=swap');
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Open Sans', sans-serif;
}
body {
background: #E3F2FD;
}
h1 {
background: #5372F0;
font-size: 1.75rem;
text-align: center;
padding: 18px 0;
color: #fff;
}
.container {
display: flex;
gap: 35px;
padding: 30px;
}
.weather-input {
width: 550px;
}
.weather-input input {
height: 46px;
width: 100%;
outline: none;
font-size: 1.07rem;
padding: 0 17px;
margin: 10px 0 20px 0;
border-radius: 4px;
border: 1px solid #ccc;
}
.weather-input input:focus {
padding: 0 16px;
border: 2px solid #5372F0;
}
.weather-input .separator {
height: 1px;
width: 100%;
margin: 25px 0;
background: #BBBBBB;
display: flex;
align-items: center;
justify-content: center;
}
.weather-input .separator::before{
content: "or";
color: #6C757D;
font-size: 1.18rem;
padding: 0 15px;
margin-top: -4px;
background: #E3F2FD;
}
.weather-input button {
width: 100%;
padding: 10px 0;
cursor: pointer;
outline: none;
border: none;
border-radius: 4px;
font-size: 1rem;
color: #fff;
background: #5372F0;
transition: 0.2s ease;
}
.weather-input .search-btn:hover {
background: #2c52ed;
}
.weather-input .location-btn {
background: #6C757D;
}
.weather-input .location-btn:hover {
background: #5c636a;
}
.weather-data {
width: 100%;
}
.weather-data .current-weather {
color: #fff;
background: #5372F0;
border-radius: 5px;
padding: 20px 70px 20px 20px;
display: flex;
justify-content: space-between;
}
.current-weather h2 {
font-weight: 700;
font-size: 1.7rem;
}
.weather-data h6 {
margin-top: 12px;
font-size: 1rem;
font-weight: 500;
}
.current-weather .icon {
text-align: center;
}
.current-weather .icon img {
max-width: 120px;
margin-top: -15px;
}
.current-weather .icon h6 {
margin-top: -10px;
text-transform: capitalize;
}
.days-forecast h2 {
margin: 20px 0;
font-size: 1.5rem;
}
.days-forecast .weather-cards {
display: flex;
gap: 20px;
}
.weather-cards .card {
color: #fff;
padding: 18px 16px;
list-style: none;
width: calc(100% / 5);
background: #6C757D;
border-radius: 5px;
}
.weather-cards .card h3 {
font-size: 1.3rem;
font-weight: 600;
}
.weather-cards .card img {
max-width: 70px;
margin: 5px 0 -12px 0;
}
@media (max-width: 1400px) {
.weather-data .current-weather {
padding: 20px;
}
.weather-cards {
flex-wrap: wrap;
}
.weather-cards .card {
width: calc(100% / 4 - 15px);
}
}
@media (max-width: 1200px) {
.weather-cards .card {
width: calc(100% / 3 - 15px);
}
}
@media (max-width: 950px) {
.weather-input {
width: 450px;
}
.weather-cards .card {
width: calc(100% / 2 - 10px);
}
}
@media (max-width: 750px) {
h1 {
font-size: 1.45rem;
padding: 16px 0;
}
.container {
flex-wrap: wrap;
padding: 15px;
}
.weather-input {
width: 100%;
}
.weather-data h2 {
font-size: 1.35rem;
}
}
```
Finally, add the following JavaScript code to your `script.js` file. This script code will make your weather app functional, which means now you can get a 5-day weather forecast for any city or your current location.
```javascript
const cityInput = document.querySelector(".city-input");
const searchButton = document.querySelector(".search-btn");
const locationButton = document.querySelector(".location-btn");
const currentWeatherDiv = document.querySelector(".current-weather");
const weatherCardsDiv = document.querySelector(".weather-cards");
const API_KEY = "YOUR-API-KEY-HERE"; // API key for OpenWeatherMap API
const createWeatherCard = (cityName, weatherItem, index) => {
if(index === 0) { // HTML for the main weather card
return `<div class="details">
<h2>${cityName} (${weatherItem.dt_txt.split(" ")[0]})</h2>
<h6>Temperature: ${(weatherItem.main.temp - 273.15).toFixed(2)}°C</h6>
<h6>Wind: ${weatherItem.wind.speed} M/S</h6>
<h6>Humidity: ${weatherItem.main.humidity}%</h6>
</div>
<div class="icon">
<img src="https://openweathermap.org/img/wn/${weatherItem.weather[0].icon}@4x.png" alt="weather-icon">
<h6>${weatherItem.weather[0].description}</h6>
</div>`;
} else { // HTML for the other five day forecast card
return `<li class="card">
<h3>(${weatherItem.dt_txt.split(" ")[0]})</h3>
<img src="https://openweathermap.org/img/wn/${weatherItem.weather[0].icon}@4x.png" alt="weather-icon">
<h6>Temp: ${(weatherItem.main.temp - 273.15).toFixed(2)}°C</h6>
<h6>Wind: ${weatherItem.wind.speed} M/S</h6>
<h6>Humidity: ${weatherItem.main.humidity}%</h6>
</li>`;
}
}
const getWeatherDetails = (cityName, latitude, longitude) => {
const WEATHER_API_URL = `https://api.openweathermap.org/data/2.5/forecast?lat=${latitude}&lon=${longitude}&appid=${API_KEY}`;
fetch(WEATHER_API_URL).then(response => response.json()).then(data => {
// Filter the forecasts to get only one forecast per day
const uniqueForecastDays = [];
const fiveDaysForecast = data.list.filter(forecast => {
const forecastDate = new Date(forecast.dt_txt).getDate();
if (!uniqueForecastDays.includes(forecastDate)) {
return uniqueForecastDays.push(forecastDate);
}
});
// Clearing previous weather data
cityInput.value = "";
currentWeatherDiv.innerHTML = "";
weatherCardsDiv.innerHTML = "";
// Creating weather cards and adding them to the DOM
fiveDaysForecast.forEach((weatherItem, index) => {
const html = createWeatherCard(cityName, weatherItem, index);
if (index === 0) {
currentWeatherDiv.insertAdjacentHTML("beforeend", html);
} else {
weatherCardsDiv.insertAdjacentHTML("beforeend", html);
}
});
}).catch(() => {
alert("An error occurred while fetching the weather forecast!");
});
}
const getCityCoordinates = () => {
const cityName = cityInput.value.trim();
if (cityName === "") return;
const API_URL = `https://api.openweathermap.org/geo/1.0/direct?q=${cityName}&limit=1&appid=${API_KEY}`;
// Get entered city coordinates (latitude, longitude, and name) from the API response
fetch(API_URL).then(response => response.json()).then(data => {
if (!data.length) return alert(`No coordinates found for ${cityName}`);
const { lat, lon, name } = data[0];
getWeatherDetails(name, lat, lon);
}).catch(() => {
alert("An error occurred while fetching the coordinates!");
});
}
const getUserCoordinates = () => {
navigator.geolocation.getCurrentPosition(
position => {
const { latitude, longitude } = position.coords; // Get coordinates of user location
// Get city name from coordinates using reverse geocoding API
const API_URL = `https://api.openweathermap.org/geo/1.0/reverse?lat=${latitude}&lon=${longitude}&limit=1&appid=${API_KEY}`;
fetch(API_URL).then(response => response.json()).then(data => {
const { name } = data[0];
getWeatherDetails(name, latitude, longitude);
}).catch(() => {
alert("An error occurred while fetching the city name!");
});
},
error => { // Show alert if user denied the location permission
if (error.code === error.PERMISSION_DENIED) {
alert("Geolocation request denied. Please reset location permission to grant access again.");
} else {
alert("Geolocation request error. Please reset location permission.");
}
});
}
locationButton.addEventListener("click", getUserCoordinates);
searchButton.addEventListener("click", getCityCoordinates);
cityInput.addEventListener("keyup", e => e.key === "Enter" && getCityCoordinates());
```
Please note that your weather app is still unable to show the weather forecast for any location because you’ve not provided your OpenWeatherMap API key in the API_KEY variable. To get a free API key, sign up for an account at [https://home.openweathermap.org/api_keys](https://home.openweathermap.org/api_keys). Your API key may take minutes or hours to activate. You’ll get an error like “Invalid API Key” or something similar during this time.
In the code, there are two API calls. The first one fetches the geographic coordinates of the user-entered city. These coordinates are then used in the second API call to retrieve the weather forecast, which is displayed on the page. The code also includes a feature that asks for user location permission and, once granted, makes the second API call to fetch the weather forecast based on the user’s current location.
## Conclusion and Final Words
In conclusion, building a weather app project allows you to apply your web development skills to a real-world application. Also, it helps you to better understand DOM manipulation, Event handling, CSS styling, [APIs](https://www.codingnepalweb.com/category/api-projects/), and more. I hope that by following the steps in this post, you’ve successfully created your weather app using [HTML, CSS](https://www.codingnepalweb.com/category/html-and-css/), and [JavaScript](https://www.codingnepalweb.com/category/javascript/).
To understand this project’s code better, I recommend watching the above tutorial video, reading the code comments, and experimenting with the code. If you want to further enhance your web development skills, you should try recreating the [Working Chatbot using HTML, CSS, and JavaScript](https://www.codingnepalweb.com/create-chatbot-html-css-javascript/).
If you encounter any difficulties while creating your weather app or your code is not working as expected, you can download the source code files for this weather app project for free by clicking the Download button. Keep in mind that after downloading the file, you’ll have to paste an “OpenWeatherMap API Key into the `API_KEY` variable in the script.js file.
[View Live Demo](https://www.codingnepalweb.com/demos/weather-app-project-html-javascript/)
[Download Code Files](https://www.codingnepalweb.com/weather-app-project-html-javascript/)
| codingnepal |
1,883,010 | i want to create video editing tool backend api using NExtJs and mongodb. How can i do | A post by Vidhan jay | 0 | 2024-06-10T10:17:24 | https://dev.to/vidhan_jay_17b68ef9637a16/i-want-to-create-video-editing-tool-backend-api-using-nextjs-and-mongodb-how-can-i-do-acp | help | vidhan_jay_17b68ef9637a16 | |
1,883,009 | The Ultimate Guide to Offshore Outsourcing with Binary Informatics | What is Offshore Outsourcing? Definition: Offshore outsourcing is the practice of hiring a... | 0 | 2024-06-10T10:17:23 | https://dev.to/binaryinformatics/the-ultimate-guide-to-offshore-outsourcing-with-binary-informatics-521a | webdev, productivity, discuss | ## What is Offshore Outsourcing?
**Definition:** Offshore outsourcing is the practice of hiring a third-party service provider located in a different country to perform specific business functions or tasks. It involves delegating work to an external company or team operating in an offshore location, typically to leverage cost advantages, access a broader talent pool, or focus on core competencies.
**Benefits of Offshore Outsourcing:**
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- Focus on Core Competencies: By outsourcing non-core activities, companies can concentrate their resources and efforts on their core business functions, enhancing operational efficiency and competitiveness.
- Scalability and Flexibility: Offshore outsourcing provides the ability to quickly scale up or down resources based on project demands, offering greater flexibility compared to hiring and managing an in-house team.
- Around-the-Clock Operations: With offshore teams located in different time zones, companies can benefit from extended working hours, enabling continuous development or support.
**Challenges of Offshore Outsourcing:**
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- Quality Control and Management Complexities: Ensuring consistent quality standards and effective project management can be more challenging when working with remote teams in different locations.
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**Types of Services Commonly Outsourced Offshore:**
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## Binary Informatics' Offshore Outsourcing Team Structure
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Binary Informatics' offshore teams are carefully balanced, combining diverse skill sets, experience levels, and domain expertise to deliver exceptional results. Our team structure fosters collaboration, knowledge sharing, and continuous learning, enabling us to provide high-quality solutions tailored to our clients' unique needs.
## Cost Advantages of Offshore Outsourcing with Binary Informatics
Offshore outsourcing with Binary Informatics offers significant cost advantages over maintaining an in-house team or working with onshore vendors. By leveraging skilled resources in cost-effective locations, you can reduce your operational expenses while maintaining high-quality standards.
**Cost Savings**
One of the primary drivers for offshore outsourcing is the substantial cost savings it provides. The cost of living and operational expenses in countries like India, where Binary Informatics has its offshore delivery centers, are significantly lower than in developed nations. This translates into lower labor costs for skilled professionals, allowing you to access top talent at a fraction of the cost you would pay for similar resources locally.
**Competitive Pricing Models**
Binary Informatics offers flexible and competitive pricing models tailored to your specific needs. Whether you prefer a fixed-price model, time and materials, or a hybrid approach, their pricing structures are designed to provide you with maximum value while ensuring transparency and predictability.
**Comparison with In-House Teams**
Maintaining an in-house team for specialized projects or fluctuating workloads can be expensive and inefficient. In addition to the direct costs of salaries and benefits, you also incur overhead expenses such as office space, equipment, and infrastructure. With offshore outsourcing, you can access the required expertise on-demand, without the overhead costs associated with maintaining a permanent in-house team.
**Comparison with Onshore Vendors**
While onshore vendors may be geographically closer, their costs are typically higher due to the higher cost of living and operational expenses in their respective locations. By leveraging offshore outsourcing with Binary Informatics, you can access the same level of expertise and quality at a significantly lower cost, enabling you to optimize your budget and allocate resources more effectively.
Binary Informatics' offshore outsourcing model offers a compelling value proposition, enabling you to achieve substantial cost savings while maintaining high standards of quality and productivity. Their flexible pricing models, combined with the cost advantages of offshore locations, make them an attractive choice for businesses seeking to optimize their operational costs without compromising on quality.
## Security and Compliance in Offshore Outsourcing
At Binary Informatics, we understand the paramount importance of data security and compliance when it comes to offshore outsourcing. We have implemented robust measures to ensure the utmost protection of your sensitive information and intellectual property (IP) throughout the outsourcing process.
**Data Protection**: Our offshore delivery centers are equipped with state-of-the-art security systems, including firewalls, intrusion detection and prevention systems, and encrypted communication channels. We enforce strict access controls and data handling protocols to prevent unauthorized access or data breaches. All our employees undergo rigorous background checks and receive comprehensive training on data privacy and security best practices.
**IP Safeguards**: We recognize the value of your intellectual property and take every precaution to safeguard it. Our non-disclosure agreements (NDAs) and IP protection policies are designed to protect your confidential information and proprietary assets. We have implemented secure coding practices, version control systems, and access restrictions to ensure the integrity and confidentiality of your IP.
**Industry Certifications**: Binary Informatics holds various industry-recognized certifications, including ISO 27001 (Information Security Management), ISO 9001 (Quality Management), and CMMI Level 5 (Capability Maturity Model Integration). These certifications demonstrate our commitment to maintaining the highest standards of security, quality, and process maturity in our offshore outsourcing operations.
**Audits and Compliance**: We regularly undergo independent audits and assessments to ensure compliance with industry regulations and best practices. Our offshore delivery centers adhere to stringent compliance frameworks, such as GDPR (General Data Protection Regulation), HIPAA (Health Insurance Portability and Accountability Act), and PCI DSS (Payment Card Industry Data Security Standard), depending on your industry and project requirements.
At Binary Informatics, we prioritize the security and compliance of your offshore outsourcing projects, providing you with peace of mind and enabling you to focus on your core business objectives. Our robust security measures, IP protection policies, industry certifications, and compliance adherence ensure that your data and intellectual assets remain safe and secure throughout our collaboration.
## Successful Case Studies of Offshore Outsourcing with Binary Informatics
**Client 1: A Leading E-commerce Platform**
Binary Informatics partnered with a prominent e-commerce platform to develop and maintain their web and mobile applications. The client's primary challenge was to scale their development team quickly to meet the growing demand for new features and enhancements.
Binary Informatics' offshore team seamlessly integrated with the client's in-house team, providing a cost-effective solution while maintaining high-quality standards. The team successfully delivered multiple releases, including a revamped checkout process, a loyalty program, and a personalized recommendation engine, contributing to a 25% increase in customer engagement and revenue.
**Client 2: A Global Financial Services Company**
A multinational financial services company approached Binary Informatics to outsource the development and maintenance of their core banking applications. The client's goals were to reduce operational costs, access a talented pool of developers, and accelerate time-to-market for new features.
Binary Informatics assembled a dedicated offshore team with expertise in financial technology and regulatory compliance. The team successfully migrated the client's legacy systems to a modern, cloud-based architecture, improving performance and scalability. Additionally, they implemented robust security measures and adhered to strict compliance standards, ensuring the protection of sensitive financial data.
**Client 3: A Healthcare Technology Startup**
A healthcare technology startup partnered with Binary Informatics to develop a cutting-edge telemedicine platform. The client faced challenges in finding skilled developers with experience in healthcare technology and meeting strict HIPAA compliance requirements.
Binary Informatics provided a team of highly skilled developers with expertise in healthcare technology and data privacy regulations. The team worked closely with the client's in-house team to develop a secure and user-friendly telemedicine platform, enabling seamless virtual consultations between patients and healthcare providers. The platform's successful launch helped the startup gain a competitive edge in the rapidly growing telemedicine market.
These case studies demonstrate Binary Informatics' expertise in offshore outsourcing, delivering high-quality solutions across various industries while addressing clients' unique challenges and requirements. From e-commerce to financial services and healthcare technology, Binary Informatics has proven its ability to provide cost-effective, scalable, and secure offshore outsourcing services.
## Getting Started with Binary Informatics for Offshore Outsourcing
Engaging with Binary Informatics for your offshore outsourcing needs is a straightforward process designed to ensure a smooth transition and successful project execution. The process typically begins with an initial consultation, where you can discuss your project requirements, goals, and expectations with our expert team.
During this consultation, our team will gather a comprehensive understanding of your project scope, timelines, and specific needs. We will also provide you with insights into our offshore outsourcing capabilities, team structure, and proven methodologies to ensure a seamless collaboration.
Once the initial consultation is complete, Binary Informatics will prepare a detailed proposal outlining the project scope, timeline, team structure, and cost estimates. This proposal will serve as the foundation for the engagement, ensuring that both parties have a clear understanding of the project's objectives and expectations.
Upon acceptance of the proposal, a comprehensive contract will be drafted, outlining the terms and conditions of the engagement, including intellectual property rights, confidentiality agreements, and service-level agreements (SLAs). Our legal team will work closely with you to ensure that the contract aligns with your organization's policies and requirements.
After the contract is signed, the onboarding process begins. This phase involves introducing your team to our offshore team, establishing communication channels, and setting up the necessary infrastructure and tools for seamless collaboration. Our project managers will work closely with your team to ensure a smooth transition and provide comprehensive training and documentation to facilitate a seamless integration.
Throughout the onboarding process, Binary Informatics will assign dedicated resources to your project, including project managers, developers, quality assurance specialists, and other necessary roles. Regular progress meetings and status updates will be scheduled to ensure transparency and effective communication between your team and our offshore team.
By following this structured approach, Binary Informatics ensures a seamless and efficient transition to offshore outsourcing, allowing you to leverage our expertise, cost-effective solutions, and proven methodologies to achieve your project goals successfully. | binaryinformatics |
1,883,008 | Top 10 Summer Vacation Destinations to Travel with Your Family | Summer is the perfect time to pack your bags and head out for a memorable vacation with your family.... | 0 | 2024-06-10T10:10:37 | https://dev.to/nikhil_raikwar_8140e98649/top-10-summer-vacation-destinations-to-travel-with-your-family-2aoe | Summer is the perfect time to pack your bags and head out for a memorable vacation with your family. Whether you're seeking adventure, relaxation, or a mix of both, there are plenty of destinations that cater to all age groups and interests. Here are the top 10 summer vacation destinations to travel with your family, each offering unique experiences and unforgettable memories.
1. Orlando, Florida, USA
Attractions:
Orlando is synonymous with family fun, thanks to its world-famous theme parks. Walt Disney World Resort, Universal Studios, and [SeaWorld](https://iamnavigato.com/perfect-summer-destinations-for-family-vacation-in-india/) offer a variety of attractions, shows, and activities that cater to all ages. Beyond the theme parks, you can explore the Kennedy Space Center, visit Gatorland, or take a day trip to the nearby beaches.
Best Time to Visit:
May to August, when the parks are fully operational, and the weather is warm.
2. Tokyo, Japan
Attractions:
Tokyo is a vibrant city that offers a mix of traditional culture and modern attractions. Visit Tokyo Disneyland and DisneySea for a magical experience, explore the interactive exhibits at the National Museum of Nature and Science, and enjoy the panoramic views from the Tokyo Skytree. Don’t miss the chance to visit the historic temples in Asakusa and the bustling streets of Akihabara.
Best Time to Visit:
March to May for pleasant weather and cherry blossom season, or July to August for summer festivals.
3. Gold Coast, Australia
Attractions:
The Gold Coast is a paradise for families with its golden beaches, theme parks, and wildlife sanctuaries. Spend your days at Dreamworld, Warner Bros. Movie World, and Sea World. Visit Currumbin Wildlife Sanctuary to get up close with Australian animals, and don’t miss the beautiful beaches like Surfers Paradise and Burleigh Heads.
Best Time to Visit:
June to August for mild weather and fewer crowds.
4. Banff, Canada
Attractions:
For families who love the great outdoors, Banff in Alberta is an ideal destination. Explore Banff National Park, where you can hike, canoe, and spot wildlife. Visit the stunning Lake Louise, take a gondola ride up Sulphur Mountain, and enjoy a dip in the Banff Upper Hot Springs. The charming town of Banff offers plenty of family-friendly restaurants and shops.
Best Time to Visit:
June to August for hiking and outdoor activities.
5. Costa Rica
Attractions:
Costa Rica is a haven for adventure-loving families. Experience the thrill of zip-lining through the rainforest, visit the Arenal Volcano, and relax in the hot springs. Explore the Monteverde Cloud Forest Reserve, go white-water rafting, and enjoy the beautiful beaches of Manuel Antonio National Park, where you can spot monkeys and sloths.
Best Time to Visit:
December to April for the dry season, but June to August is also good for lush green landscapes.
6. Barcelona, Spain
Attractions:
Barcelona offers a blend of history, culture, and beach fun. Visit the iconic Sagrada Familia, explore Park Güell, and stroll down La Rambla. The city's beaches are perfect for a relaxing day by the sea, and the Magic Fountain of Montjuïc offers a spectacular evening show. The CosmoCaixa science museum and the Barcelona Aquarium are great for kids.
Best Time to Visit:
May to June for pleasant weather and fewer tourists.
7. Vancouver, Canada
Attractions:
Vancouver is a family-friendly city with plenty of outdoor activities and attractions. Explore Stanley Park, visit the Vancouver Aquarium, and take a ride on the Grouse Mountain Skyride. The Science World at TELUS World of Science offers interactive exhibits, and Granville Island is great for shopping and dining.
Best Time to Visit:
June to August for the best weather and outdoor activities.
8. Phuket, Thailand
Attractions:
Phuket is a tropical paradise with beautiful beaches, vibrant markets, and family-friendly attractions. Enjoy the beaches of Patong, Karon, and Kata, visit the Phuket Elephant Sanctuary, and explore the Phuket Aquarium. The Splash Jungle Water Park is a hit with kids, and a boat trip to the nearby Phi Phi Islands is a must.
Best Time to Visit:
November to April for the dry season, but June to August is also good with fewer crowds.
9. Dubrovnik, Croatia
Attractions:
Dubrovnik, known as the "Pearl of the Adriatic," offers a mix of history, culture, and beach fun. Walk along the ancient city walls, visit the Dubrovnik Aquarium, and take a cable car to Mount Srđ for panoramic views. The nearby Lokrum Island is perfect for a day trip, and the city's beaches are ideal for swimming and sunbathing.
Best Time to Visit:
May to June or September to October for pleasant weather and fewer crowds.
10. Cape Town, South Africa
Attractions:
Cape Town is a diverse city with stunning landscapes and a wealth of activities for families. Take a cable car to the top of Table Mountain, visit the Two Oceans Aquarium, and explore the V&A Waterfront. The beaches of Clifton and Camps Bay are perfect for a day by the sea, and a trip to the Cape of Good Hope offers breathtaking views and wildlife encounters.
Best Time to Visit:
November to February for summer weather, or March to May for mild weather and fewer tourists.
Conclusion
Choosing the perfect[ summer vacation](https://iamnavigato.com/perfect-summer-destinations-for-family-vacation-in-india/) destination for your family depends on your interests and preferences. Whether you're looking for adventure, cultural experiences, or relaxing beach holidays, these ten destinations offer something for everyone. Plan your trip ahead, pack wisely, and get ready for an unforgettable summer vacation with your loved ones. | nikhil_raikwar_8140e98649 | |
1,883,007 | Building Web3 Enterprise Communication: Alien’s Advanced Features and Developer Resources | In the modern business environment, advancements in communication technology are driving corporate... | 0 | 2024-06-10T10:10:22 | https://dev.to/alien_web3/building-web3-enterprise-communication-aliens-advanced-features-and-developer-resources-oe1 |
In the modern business environment, advancements in communication technology are driving corporate transformation, particularly in the field of enterprise communication. Alien, as a Web3-based communication and social project, offers secure, decentralized communication solutions that cater to needs ranging from individual users to large enterprises.
The Alien platform leverages blockchain technology not only to ensure the security and immutability of communications but also supports developers and business users with specially designed tools and services, enabling them to customize solutions based on their unique needs. This capability makes Alien a strong partner for businesses in various industries looking to enhance communication efficiency and security.
**APIs Provided by Alien for Enterprises**
As a Web3 communication project, Alien provides a range of powerful APIs that allow enterprises to seamlessly integrate and expand their communication functionalities. These APIs cover various aspects from message sending and receiving to complex user management and data analytics, offering great flexibility and control to businesses. Through these APIs, enterprises can easily integrate Alien’s services into their existing IT systems to automate processes, thereby enhancing operational efficiency and reducing costs.
Furthermore, considering the characteristics of Web3, Alien’s API design takes into account the convenience and needs of developers, offering comprehensive documentation and developer tools to help developers quickly understand and apply these interfaces. Whether in creating custom notification systems or implementing complex data synchronization requirements, Alien’s APIs provide efficient and reliable support. The high configurability and scalability of these interfaces ensure that Alien can meet the specific needs of enterprises of various sizes.
**Custom Services and Solutions**
To meet the specific needs of different industries, Alien offers customized services and solutions designed to address complex business challenges. The Alien team works closely with clients to deeply understand their business processes and communication requirements, thereby providing fully customized solutions. These solutions not only include customized communication functions but also encompass data processing and analytics, helping businesses extract value from massive amounts of communication data and optimize decision-making processes.
For instance, for the financial services industry, Alien can provide secure communication solutions that meet strict compliance requirements, including encrypted communications and advanced user authentication features. For the retail industry, Alien might offer solutions integrating CRM and customer support, enabling businesses to provide more personalized customer service. Such customized services not only enhance operational efficiency for businesses but also strengthen customer relationships and promote business growth.
**Secure Collaboration Model**
Alien places a high emphasis on security, especially when providing communication solutions to businesses. Alien adopts a multi-layer security architecture, including end-to-end encryption and multi-factor authentication, to ensure that all communication content remains private and secure during transmission. Furthermore, Alien collaborates with businesses to customize encryption strategies based on specific security needs, ensuring compliance with internal security policies and industry standards. This secure collaboration model allows businesses to enjoy Alien’s efficient communication services while maintaining stringent requirements for data control and security.
In addition to basic data protection measures, Alien also offers advanced security auditing and real-time monitoring services, helping businesses detect and respond to potential security threats. By working closely with the enterprise’s IT security team, Alien ensures that its security services seamlessly integrate with the existing security architecture of the business, providing comprehensive security coverage. This partnership is built on a foundation of jointly maintaining data security and preventing cyber attacks, making Alien a reliable partner for businesses striving to balance technological innovation with security assurance.
**Developer Support and Community**
As a Web3 project, Alien places great emphasis on building and supporting a developer community. The platform offers comprehensive developer support, including detailed API documentation, SDKs (Software Development Kits), and a wealth of development resources. These resources enable developers to quickly understand and utilize Alien’s technology to develop customized communication solutions. Alien’s developer community is an active platform where developers can share experiences, discuss issues, and receive direct support from the Alien team. Additionally, Alien regularly hosts developer workshops and technical conferences, not only providing technology updates and education but also fostering collaboration and innovation among developers.
By establishing strong connections with global developers, Alien enhances its functionality and adaptability. This developer-centric strategy not only improves the platform’s technological prowess but also enhances the loyalty of users and the developer community, keeping Alien’s ecosystem vibrant and innovative.
**Feedback and Future Outlook from Enterprise Customers**
Alien’s advanced features and custom services for large enterprise customers have played a significant role in enhancing communication efficiency and ensuring data security. Alien’s Web3 architecture allows businesses to achieve a higher degree of data control and transparency through decentralization, which is particularly important for companies seeking high security standards and data immutability. As more businesses recognize the potential of blockchain technology in communication security, Alien’s market share and user base are expected to continue to grow.
Alien plans to continue enhancing its enterprise-level functionalities, especially by strengthening support for smart contracts and decentralized applications (DApps), to help businesses fully utilize the potential of Web3 technology. Alien will also continue to enhance scalability and flexibility to adapt to changing technological demands and business environments, such as supporting more public chains or different on-chain protocols, continuously refining the Alien ecosystem. Through ongoing technological innovation and rapid response to market demands, Alien is committed to becoming a global leader in enterprise communication solutions, supporting businesses in achieving greater success in their digital transformations. These initiatives will further consolidate Alien’s leadership position in the Web3 communication platform market, demonstrating our role as a technological innovator and industry driver. | alien_web3 | |
1,882,982 | Spring MVC vs. Spring WebFlux: Choosing the Right Framework for Your Project | In the world of web development, selecting the right framework is crucial for the success of your... | 0 | 2024-06-10T10:10:00 | https://dev.to/jottyjohn/spring-mvc-vs-spring-webflux-choosing-the-right-framework-for-your-project-4cd2 | webdev | In the world of web development, selecting the right framework is crucial for the success of your project. Each framework has its unique benefits, and understanding the differences can help developers make an informed decision. In this article, we will explore the main differences between Spring MVC and Spring WebFlux, enabling developers to choose the best one based on their specific requirements.
**What is Spring MVC?**
Spring MVC is a classic web framework that has been widely used for creating Java web applications for a long time. It follows the model-view-controller (MVC) pattern, where the application is divided into three parts: the model (data), the view (UI), and the controller (logic).
In Spring MVC, when a request comes in, it first goes to the Dispatcher Servlet. This servlet directs the request to the appropriate controllers. These controllers handle the requests, interact with the data, and return the appropriate response. Spring MVC processes one request at a time, with each request being handled by a separate thread. This synchronous processing model can cause delays when there are a large number of concurrent requests, as each request consumes a thread, potentially leading to thread exhaustion under heavy load.
**Key Features of Spring MVC**
- **Synchronous Processing**:
Each request is handled in a blocking manner, which can lead to simpler code but may struggle with high concurrency.
- **Annotation-Based Programming:**
Uses annotations like @Controller, @RequestMapping, and @GetMapping to define request handlers.
- **Model-View-Controller Pattern:**
Separates the concerns of the data model, user interface, and control logic.
- **Wide Adoption:**
Extensive documentation and community support due to its long-standing presence in the industry.
- **Template Engines:**
Commonly used with template engines like JSP and Thymeleaf for server-side rendering of views.
**What is Spring WebFlux?**
Spring WebFlux, introduced in Spring 5, is a reactive web framework designed for building non-blocking, asynchronous applications. It is well-suited for applications that need to handle a large number of concurrent tasks and require fast response times. Spring WebFlux leverages Project Reactor, which enables a reactive programming model where tasks can be performed simultaneously without blocking each other.
In Spring WebFlux, the request processing flow is non-blocking, meaning that threads are not tied to individual requests. Instead, requests are handled asynchronously, allowing the server to manage many requests concurrently using a small number of threads. This non-blocking, reactive approach makes Spring WebFlux ideal for applications that need to handle a high volume of users or long-running tasks, such as streaming data or real-time analytics.
**Key Features of Spring WebFlux**
- **Asynchronous Processing:**
Uses non-blocking I/O and reactive streams to handle requests, leading to better scalability and performance under high concurrency.
- **Reactive Programming:** Built on Project Reactor, it supports reactive programming principles and complies with the Reactive Streams specification.
Annotation-Based and Functional Programming: Offers both traditional annotation-based and functional programming models for defining routes.
- **Backpressure Handling:**
Manages backpressure to efficiently handle overwhelming data streams.
- **Scalability:**
Optimized for applications with high concurrency needs, using fewer threads to handle many requests.
**Comparison Summary**
1. **Programming Model**
_**Spring MVC:**_ Uses an imperative, synchronous processing model with traditional Java concurrency mechanisms.
_**Spring WebFlux:**_ Employs a reactive, asynchronous processing model using reactive programming principles.
2. **Concurrency Model**
_**Spring MVC:**_ Follows a thread-per-request model, which can lead to thread exhaustion under high load.
_**Spring WebFlux:**_ Uses a small number of threads to handle a large number of requests, making it more scalable under high concurrency.
3. **Learning Curve**
_**Spring MVC:**_ Easier for developers familiar with traditional web development and synchronous processing.
_**Spring WebFlux:**_ Requires an understanding of reactive programming, which can have a steeper learning curve.
4. **Performance**
_**Spring MVC:**_ Performs well for applications with moderate concurrency but may struggle with very high loads due to blocking I/O.
_**Spring WebFlux:**_ Optimized for high-performance and high-concurrency scenarios with non-blocking I/O and reactive streams.
5. **Development Style**
_**Spring MVC:**_ More traditional and straightforward, suitable for most standard web applications.
_**Spring WebFlux:**_ Suited for modern applications needing reactive features, such as real-time updates and high scalability.
**Conclusion**
Spring MVC is the preferred choice for developers building traditional web applications and RESTful services with moderate concurrency needs, relying on a simpler, more familiar synchronous processing model. Spring WebFlux, on the other hand, is designed for building high-performance, scalable, and reactive applications that handle a large number of concurrent connections and real-time data streams. The choice between the two depends on the specific requirements and constraints of your project, including the expected load, concurrency needs, and the development team's familiarity with reactive programming. By understanding the strengths and use cases of each framework, developers can make an informed decision to choose the right tool for their project. | jottyjohn |
1,883,006 | How To Refreshing Web Page With JS | Introduction Refreshing web page is simple like just press F5 or Ctrl + R but what if you... | 0 | 2024-06-10T10:09:57 | https://dev.to/dana-fullstack-dev/how-to-refreshing-web-page-with-js-4c00 | webdev, javascript, beginners, programming | ## Introduction
Refreshing web page is simple like just press `F5` or `Ctrl + R` but what if you want to refresh the page automatically after certain time? You can use JavaScript to do that. In this article, I will show you how to refresh the web page automatically using JavaScript.
## Prerequisites
- Basic knowledge of HTML, CSS, and JavaScript
- Text editor like Visual Studio Code
- Web browser like Google Chrome
## Refreshing Web Page With JavaScript
To refresh the web page automatically using JavaScript, you can use `location.reload()` method. This method reloads the current document. Here is the code to refresh the web page after 5 seconds.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Refresh Web Page</title>
</head>
<body>
<h1>Refresh Web Page</h1>
<p>This web page will refresh after 5 seconds.</p>
<script>
setTimeout(() => {
location.reload();
}, 5000);
</script>
</body>
</html>
```
In the code above, I use `setTimeout()` method to call `location.reload()` method after 5 seconds. The `setTimeout()` method takes two arguments, a function and a time in milliseconds. The function will be called after the time has passed.
## Refreshing Web Page With JQuery
If you are using JQuery, you can use `location.reload()` method as well. Here is the code to refresh the web page after 5 seconds using JQuery.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Refresh Web Page</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
<h1>Refresh Web Page</h1>
<p>This web page will refresh after 5 seconds.</p>
<script>
$(document).ready(function() {
setTimeout(() => {
location.reload();
}, 5000);
});
</script>
</body>
</html>
```
## Refresh using trigger button
You can also add a button to refresh the web page. Here is the code to refresh the web page when the button is clicked.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Refresh Web Page</title>
</head>
<body>
<h1>Refresh Web Page</h1>
<p>This web page will refresh after 5 seconds.</p>
<button onclick="location.reload()">Refresh</button>
</body>
</html>
```
## Conclusion
Refreshing web page automatically using JavaScript is simple. You can use `location.reload()` method to refresh the web page. You can also use `setTimeout()` method to refresh the web page after certain time. I hope you find this article helpful.
Happy coding! 🚀
## Reference
- [Online database design](https://dynobird.com) | dana-fullstack-dev |
1,883,005 | Transfer Resources from One Tenant to Another with All M365 Data | Explore the solutions for the query which is to transfer resources from one tenant to another with... | 0 | 2024-06-10T10:09:44 | https://dev.to/hrsh_sharma_e5ed6718ac99d/transfer-resources-from-one-tenant-to-another-with-all-m365-data-ndo | Explore the solutions for the query which is to transfer resources from one tenant to another with all M365 data. Extract, confirm compatibility, and transfer data securely. Validate the seamless transfer, preserving functionality and access permissions for a smooth transition across tenants. So, why waste time, let’s start with an overview of the same.
## An Overview: Transfer Resources from One Tenant to Another with all M365 Data
Tenants, pivotal in shared environments like Office 365, represent segregated entities accessing shared services. They enable distinct configurations and permissions for users or organizations within the same platform, ensuring privacy and security.
Transitioning with the help of **SysTools Office 365 Migration Services** streamlines this process, facilitating seamless shifts of data, settings, and configurations between tenants. This service ensures efficient, secure, and hassle-free migrations, preserving functionalities while accommodating the unique needs of each entity within the shared environment.
There are several reasons, why users need to perform the procedure including Mergers and acquisitions, Management, Complexity, Corporate restructuring, Compliance requirements, etc.
## What are the Advantages to Migrate from One Tenant to Another?
Below are the various pros of the transferring procedure. So, read them thoroughly to gain knowledge to transfer resources from one tenant to another with all M365 data in-depth.
1. Combining subscriptions in one place makes it easier to manage and watch over your stuff. Moving to a safer place can protect your information better, especially if it's important.
2. It's tough to keep up with payments when your stuff is all over. Bringing everything together in one place makes it simpler to track what you spend.
3. If you need to team up with folks from another place, being in the same spot can make sharing things and working together smoother.
4. Putting all your subscriptions in one place makes things easier to handle, saves money, and helps teams work together better.
So, after reading out the benefits, many users are wondering about the solution to perform the procedure efficiently. Plus, if you are from those users then the next part of the phase will help you. Let’s delve into the same.
## What's in a Microsoft 365 Tenant & What Gets Moved?
A Microsoft 365 tenant offers various apps, contingent on your chosen Office 365 plan. For instance, with Microsoft 365 Business Basic, your tenant comprises apps like Exchange Online, SharePoint, Outlook 365, OneDrive for Business, Word, Excel, PowerPoint, Microsoft Teams, Bookings, Forms, Lists, and Planner.
While migrating the entire tenant data, prioritize migrating Outlook 365, OneDrive for Business, Teams, and SharePoint to ensure seamless continuity.
## Challenges: Transfer Resources from One Tenant to Another with all M365 Data
During the moving process, users may find various hurdles, and here are some that will help you understand what not to do.
1. Seamless coexistence among multiple Office 365 domains is crucial for businesses but complicates migration between tenants.
2. Data migration involving vast user data and emails isn't instant, requiring collaboration and scheduling meetings for smooth transfers.
3. Maintaining data integrity is a prime challenge during Office 365 tenant-to-tenant migration.
4. Inadequate verification of source email data pre-migration risks data loss or corruption.
5. Migrating from older MS Exchange versions (e.g., 2003, 2007) with 2GB mailbox limits poses data loss threats upon exceeding capacity.
We saw above the hurdle that can make the task tedious, but after learning these we can't do the same thing.
## Bypass Migration Challenges Manually
To overcome any type of problem, during the procedure, professionals suggest considering Office 365 Migration Checklist, for a smoother transition. For the same, here are the prerequisites:
- Ensure you have a comprehensive backup of all data in the source tenant.
- Set up the destination tenant with the necessary configurations, licenses, and permissions.
- Determine the best migration method(s) for transferring data.
- Use the chosen migration method(s) to transfer data from source to destination.
- Confirm all transferred data is intact and accessible in the destination tenant.
- If needed, update DNS records to redirect users to the new tenant.
- Keep users informed throughout the migration process.
- Decommission services and adjust settings in the source tenant as needed.
- Document the migration process for future reference and evaluation.
Leveraging specialized software such as **SysTools** [**Office 365 to Office 365 Migration Tool**](https://www.systoolsgroup.com/office365-express-migrator.html) streamlines the process, easing the burden and enabling the migration of Office 365 data simultaneously. With this utility, one can effortlessly move any type of data from one M365 account to another. Plus, this is the go-to solution even for naive users, because operating this tool is so simple.
## Concluding Lines
At present, many users frequently ask one question i.e. How to transfer resources from one tenant to another with all M365 data. So, within this write-up, we provide the complete walkthrough of the procedure. First, we learn the benefits of that, and afterward, the challenges faced by the users during the task. Finally, we explore one automated solution with which one can initiate the transition flawlessly.
| hrsh_sharma_e5ed6718ac99d | |
1,883,004 | One does not simply delete cookies | Naming is hard. Modern developer tools often provide intuitive APIs acting as wrappers around web... | 0 | 2024-06-10T10:08:31 | https://whitep4nth3r.com/blog/cookies-not-deleted/#cookies-are-not-deleted-they39re-modified | webdev, http, astro | Naming is hard. Modern developer tools often provide intuitive APIs acting as wrappers around web platform APIs to make our lives easier and developer experience smoother. But sometimes, these "intuitive" APIs can create misunderstandings in the minds of even the most seasoned web developers (ahem, me).
I'm currently building a project using [Astro](https://astro.build/), to which I've added basic authentication via Twitch so users can [log in to view their inventory for my new stream game](https://p4nth3rworld.netlify.app/) by calling an API on the back end (my Twitch bot). I'm using Astro in SSR mode, and authentication is provided by Auth.js via [auth-astro](https://github.com/nowaythatworked/auth-astro). When using Auth.js to authenticate, it saves three cookies in the browser to remember that you've logged in to this website via Twitch.
At the time of writing, auth-astro doesn't provide sign out functionality for Astro on the server. However, I needed some sign out functionality on the server to provide a better front end experience when the Twitch `accessToken` was identified as invalid by my back end. I created a logout route to "delete" the authentication cookies provided by Auth.js using [Astro's Astro.cookies API](https://docs.astro.build/en/reference/api-reference/#astrocookies).
This code worked great in development, but it **_didn't work in production_**.
```javascript
// src/pages/logout.astro
// DEV
Astro.cookies.delete("authjs.csrf-token");
Astro.cookies.delete("authjs.callback-url");
Astro.cookies.delete("authjs.session-token");
// PROD
Astro.cookies.delete("__Host-authjs.csrf-token");
Astro.cookies.delete("__Secure-authjs.callback-url");
Astro.cookies.delete("__Secure-authjs.session-token");
return Astro.redirect("/");
```
The cookie-savvy among you can probably already tell what I was doing wrong. But after deploying my project to multiple hosting platforms to check it wasn't a platform-specific problem with Astro, I learned a few things about how cookies are marked as "deleted", and how servers send instructions to browsers to create and modify cookies.
## Cookies are not deleted: they're modified
As a front end developer, I am accustomed to managing cookies via client-side JavaScript using the [document.cookie](https://www.w3schools.com/js/js_cookies.asp) API. There is no way to "delete" a cookie using client-side JavaScript, you modify it: "deleting" a cookie is a misnomer. Whilst the word "delete" feels intuitive in the `Astro.cookies API`, it hides the fact that to "delete" a cookie, you need to **_invalidate_** it by setting an expiry date in the past.
Additionally, you're not technically modifying a browser cookie directly via server-side code. So what's actually happening?
## Cookies are modified via HTTP response headers
After receiving an HTTP request, a server can send cookie modification requests to a browser via one or more Set-Cookie HTTP response headers. For example, when you call `Astro.cookies.delete("my_cookie")`, you'll see the following response header in the browser network tab.
```text
Set-Cookie: my_cookie=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT
```
This instructs the browser to store the my_cookie value as deleted, and sets the expiration date to a date in the past: 0 in [Unix time](https://en.wikipedia.org/wiki/Unix_time). It's worth bearing in mind that expiring a cookie doesn't necessarily remove it from the browser storage in all browsers, but browsers will not send expired cookies to the server in subsequent HTTP requests. (Expired cookies also won't show up in the Application tab in browser dev tools.)
## Why weren't my cookies being removed in production?
In the code example above, notice that the cookie names for development and production are different. The production cookies are prefixed by `__Secure-` and `__Host-`. When inspecting the HTTP headers sent on the logout page in production, I noticed this warning.
_This attempt to set a cookie via a Set-Cookie header was blocked because it used the "_Secure-" or "_Host-" prefix in its name and broke the additional rules applied to cookies with these prefixes as defined in [https://tools.ietf.org/html/draft-west-cookie-prefixes-05](https://tools.ietf.org/html/draft-west-cookie-prefixes-05)._
If you click the link to this document, you'll see that it's a draft which expired in 2016. For this reason I didn't feel inclined to read it. Why was my browser showing me this in 2024? Regardless, I did a search on the page for `__Secure-` and found [this section on cookie prefixes](https://datatracker.ietf.org/doc/html/draft-west-cookie-prefixes-05#section-3).
The short version of this story is that the browser was **_rejecting_** my `Set-Cookie` HTTP response headers that were requesting to modify cookies. This was because the **cookie options** were not specified correctly: they didn't match the cookie options that were specified on the existing cookies. By checking the cookie options in the Application tab in browser dev tools, and updating the code accordingly, I was successfully able to **_modify the expiration date_** of the specified cookies, and effectively log the user out of my application.
```javascript
Astro.cookies.delete("__Host-authjs.csrf-token", {httpOnly: true, secure: true, path: "/"});
Astro.cookies.delete("__Secure-authjs.callback-url", {httpOnly: true, secure: true});
Astro.cookies.delete("__Secure-authjs.session-token", {httpOnly: true, secure: true});
```
### What do the options mean?
[httpOnly: true](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#httponly) prevents client-side JavaScript from accessing this cookie, for example via `document.cookie` to mitigate attacks against cross-site scripting.
[secure: true](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#secure) indicates that the cookie is sent to the server only when a request is made with `https:` (except on localhost), making it more resistant to man-in-the-middle attacks.
[path: "/"](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie#pathpath-value) indicates the path that must exist in the requested URL for the browser to send the `Set-Cookie` header. This was required given I was redirecting to "/" straight after setting the cookies.
The reason that the initial code successfully modified the cookies in development was because the cookie names were not prefixed with `__Host-` or `__Secure-`, and because I was running the site on `localhost`.
## Naming is hard
I'm a big fan of naming things after their specific function. Should the `Astro.cookies` API rename `delete` to `modify` in order to be more explicit? **Probably not**. In any case, I decided to [open a PR to the Astro docs](https://github.com/withastro/docs/pull/8476) to clarify what was actually happening..
| whitep4nth3r |
1,883,003 | JavaScript Design Patterns - Behavioral - Iterator | The iterator pattern allows us access to the elements in a collection without exposing its underlying... | 26,001 | 2024-06-10T10:05:00 | https://dev.to/nhannguyendevjs/javascript-design-patterns-behavioral-iterator-2og1 | javascript, programming, beginners | The **iterator** pattern allows us access to the elements in a collection without exposing its underlying representation.
In the example below, we will create a simple iterator with an array of elements. We can iterate through all the elements using the methods **next()** and **hasNext()**.
```ts
class Iterator {
constructor(el) {
this.index = 0;
this.elements = el;
}
next() {
return this.elements[this.index++];
}
hasNext() {
return this.index < this.elements.length;
}
}
```
A complete example is here 👉 https://stackblitz.com/edit/vitejs-vite-2txuqu?file=iterator.js
🚀 Using this pattern when we want to access an object’s content collections without knowing how it is internally represented.
---
I hope you found it helpful. Thanks for reading. 🙏
Let's get connected! You can find me on:
- **Medium:** https://medium.com/@nhannguyendevjs/
- **Dev**: https://dev.to/nhannguyendevjs/
- **Hashnode**: https://nhannguyen.hashnode.dev/
- **Linkedin:** https://www.linkedin.com/in/nhannguyendevjs/
- **X (formerly Twitter)**: https://twitter.com/nhannguyendevjs/
- **Buy Me a Coffee:** https://www.buymeacoffee.com/nhannguyendevjs
| nhannguyendevjs |
1,883,002 | iOS Interview Questions and Answers | Are you a fresher preparing for an iOS developer interview? If so, you’re likely eager to showcase... | 0 | 2024-06-10T10:04:47 | https://dev.to/lalyadav/ios-interview-questions-and-answers-53d8 | ios, coding, programming, learning | Are you a fresher preparing for an [iOS developer interview](https://www.onlineinterviewquestions.com/ios-interview-questions)? If so, you’re likely eager to showcase your knowledge and skills in iOS development. To help you ace your interview, we’ve compiled a list of the top 7 iOS interview questions and answers.
Q1. What is ARC in iOS?
Ans: ARC stands for Automatic Reference Counting. It’s a memory management technique used in iOS to automatically manage memory by keeping track of objects’ references.
Q2. What are the key features of Swift programming language?
Ans: Swift is known for its safety, speed, modern syntax, optionals, type inference, and memory management using Automatic Reference Counting (ARC).
Q3. Explain the difference between strong, weak, and unowned references in Swift.
Ans: Strong references keep objects alive as long as there’s at least one strong reference to them. Weak references don’t keep objects alive and automatically become nil when the object they reference is deallocated. Unowned references are similar to weak references but don’t require unwrapping and are used when it’s guaranteed that the referenced object won’t be deallocated before the reference is accessed.
Q4. What is the difference between a delegate and a notification in iOS?
Ans: A delegate is a design pattern used for one-to-one communication between objects, where one object acts on behalf of another object. Notifications, on the other hand, are used for one-to-many communication, allowing an object to broadcast messages to multiple observers without knowing who they are.
Q5. What is a closure in Swift?
Ans: A closure is a self-contained block of functionality that can be passed around and used in your code. It captures references to variables and constants from the surrounding context in which it’s defined.
Q6. Explain the concept of optional chaining in Swift.
Ans: Optional chaining is a process for querying and calling properties, methods, and subscripts on an optional that might currently be nil. If the optional contains a value, the property, method, or subscript call succeeds; if the optional is nil, the call returns nil.
Q7. What are generics in Swift?
Ans: Generics are a way to make your code more flexible and reusable by writing code that doesn’t depend on specific types. They allow you to write functions and types that can work with any type. | lalyadav |
1,882,450 | My First RFC (Week 2 of GSoC Coding Period) | At this point, I have to start getting more creative with my titles. I've also decided I'll be a bit... | 27,442 | 2024-06-10T10:04:41 | https://dev.to/chiemezuo/my-first-rfc-week-2-of-gsoc-coding-period-1chf | gsoc, googlesummerofcode, wagtail, opensource | At this point, I have to start getting more creative with my titles. I've also decided I'll be a bit more technical with my writing because details will get vague if I don't. Let's jump right in.
## Weekly Check-in
The meeting started with some small talk about how we spent our weekends. We enjoy a bit of chitchat now and then because part of the internship is to have fun and interact with people, and not bury ourselves neck-deep in work all the time. After the light talk, we discussed the week's goals. To meet our later timelines, I felt it would be good for the RFC to transition from being a draft in Google Docs to being a Pull Request in Wagtail's official RFC repository. I wanted my mentors to have one more thorough review before pushing it. We also discussed the issue of enforcing an image description property on uploaded images. At the time of writing this, when a Wagtail editor/admin uploads images, they can navigate away from the screen without clicking 'upload', and the image(s) will still be uploaded. But by mandating the image description property, the upload wouldn't be completed, and the user would have to fill in the form field and click the `update` button. It felt like a small change to me, but from a firsthand perspective, Storm said it would look strange to users who have gotten used to the previous flow out of habit. He suggested exploring whether we could mandate the field only when images are to be edited, but not while uploading. I mentioned I'd experiment with his suggestion, but I would also explore the idea of showing a warning when images are selected for upload. A warning stating that images won't be saved until descriptions have been added.
We collectively agreed to take it up with the Accessibility team and prepare demos to show them the nature of the problem. We would show the demos the following week, as the Accessibility team meetings are bi-weekly. We wished Saptak a great presentation for DjangoCon Europe, and called it a day.
## RFC Submission
Following the weekly check-in, Storm gave me a final review the next day and I worked through it. I made some tweaks and finally took to writing it in markdown format. Wagtail is very straightforward about their RFC process, so I wrote the document following their format. I felt nervous because it was my first time doing something of that nature, but I told myself that everyone would always have a first time doing something. A lot of work and research went into the document and I was proud of it. I asked Storm if he'd be at the next core team so he could help with the 'shepherding' process. A few hours later, I pushed RFC [97](https://github.com/wagtail/rfcs/pull/97)🎉. The following day, I got a comment from someone, and another comment came some days later.
The first commenter suggested some modifications I could make for readability but was fine with the RFC. The second commenter expressed excitement at the RFC's proposed changes (especially because it would be an RFC with someone already working on it). The second commenter also mentioned adding a notification that it was to serve as a replacement for the older RFC [51](https://github.com/wagtail/rfcs/pull/51) that was the main inspiration for my Google Summer of Code project. I adjusted accordingly to their recommendations.
Fingers crossed for the rest of the core team.
## What I learned
This week, while looking for a way around enforcing image descriptions, I was forced to explore more parts of the Wagtail code, particularly the templating and Javascript files for the `add_image` forms. With every challenge, I learn about how more internal parts of Wagtail work, and I'm less worried about not knowing everything beforehand.
I also learned how to write a killer RFC. I definitely want to write more RFCs in the future. I also tried showing a warning notification at the point of image upload, and it's one of the things I will show my mentors for week 6.
## Challenges
For Images, I unsuccessfully tried to have a separate mandatory field requirement when updating/editing from when uploading. However, I'm not giving up yet, and I'll ask for help again this next week.
Cheers to another GSoC week!!
🥂 | chiemezuo |
1,883,001 | Chocolate Powder Manufacturing Plant Report 2024- Setup Details, Machinery Requirements and Cost Analysis | Liquid syntax error: Tag '{%' was not properly terminated with regexp: /\%\}/ | 0 | 2024-06-10T10:04:30 | https://dev.to/ankitimarc/chocolate-powder-manufacturing-plant-report-2024-setup-details-machinery-requirements-and-cost-analysis-4mcg | IMARC Group's report titled " Chocolate powder Manufacturing Plant Project Report 2024: Industry Trends, Plant Setup, Machinery, Raw Materials, Investment Opportunities, Cost and Revenue" provides a comprehensive guide for es
tablishing a chocolate powder manufacturing plant. The report covers various aspects, ranging from a broad market overview to intricate details like unit operations, raw material and utility requirements, infrastructure necessities, machinery requirements, manpower needs, packaging, and transportation requirements, and more.
In addition to the operational aspects, the report also provides in-depth insights into chocolate powder manufacturing process, project economics, encompassing vital aspects such as capital investments, project funding, operating expenses, income, and expenditure projections, fixed and variable costs, direct and indirect expenses, expected ROI, net present value (NPV), profit and loss account, and thorough financial analysis, among other crucial metrics. With this comprehensive roadmap, entrepreneurs and stakeholders can make informed decisions and navigate the path toward a successful chocolate powder manufacturing venture.
Customization Available:
Plant Location
Plant Capacity
Machinery- Automatic/ Semi-automatic/ Manual
List of Machinery Provider
Chocolate powder is a delightful and versatile ingredient celebrated for its rich flavor and wide range of culinary applications. It is a crucial component in various culinary creations, including baking, confectionery, beverages, and savory dishes. Chocolate powder enhances the taste and texture of cakes, cookies, and brownies while being a staple in hot chocolate and mochas. Its ease of use and extended shelf life make it an indispensable item in both household kitchens and the food processing industry. Besides its culinary advantages, chocolate powder is also known for its antioxidant properties, contributing to its popularity among health-conscious consumers.
The growing inclination towards convenience and ready-to-use ingredients significantly drives the global chocolate powder market. This trend is bolstered by the increasing demand for bakery products, confectioneries, and flavored beverages that utilize chocolate powder extensively. Additionally, the rising awareness towards the health benefits of cocoa, such as its potential to improve heart health and mood, further stimulates market growth. The expanding use of chocolate powder in innovative product formulations, including vegan and gluten-free options, caters to the evolving dietary preferences of consumers. Moreover, the trend towards premiumization in the food and beverage industry, with a focus on high-quality and ethically sourced ingredients, is anticipated to propel the demand for chocolate powder in the coming years.
Request for a Sample Report: {%https://www.imarcgroup.com/chocolate-powder-manufacturing-plant-project-report/requestsample%}
Key Insights Covered the Chocolate Powder Plant Report
Market Analysis Coverage
1. Market Trends
2. Market Breakup by Segment
3. Market Breakup by Region
4. Price Analysis
5. Impact of COVID-19
6. Market Outlook
Key Aspects Required for Setting Up Chocolate Powder Plant
Detailed Process Flow:
1. Product Overview
2. Unit Operations Involved
3. Mass Balance and Raw Material Requirements
4. Quality Assurance Criteria
5. Technical Tests
Project Details, Requirements and Costs Involved:
Land, Location and Site Development
Plant Layout Details
Machinery Requirements and Costs
Raw Material Requirements and Costs
Packaging Requirements and Costs
Transportation Requirements and Costs
Utility Requirements and Costs
Human Resource Requirements and Costs
Project Economics:
1. Capital Investments
2. Operating Costs
3. Expenditure and Revenue Projections
4. Taxation and Depreciation
5. Profit Projections
6. Financial Analysis
Key Questions Addressed in This Report:
1. - How has the chocolate powder market performed so far and how will it perform in the coming years?
2. - What is the market segmentation of the global chocolate powder market?
3. - What is the regional breakup of the global chocolate powder market?
4. - What are the price trends of various feedstocks in the chocolate powder industry?
5. - What is the structure of the chocolate powder industry and who are the key players?
6. - What are the various unit operations involved in a chocolate powder manufacturing plant?
7. - What is the total size of land required for setting up a chocolate powder manufacturing plant?
8. - What is the layout of a chocolate powder manufacturing plant?
9. - What are the machinery requirements for setting up a chocolate powder manufacturing plant?
10. - What are the raw material requirements for setting up a chocolate powder manufacturing plant?
11. - What are the packaging requirements for setting up a chocolate powder manufacturing plant?
12. - What are the transportation requirements for setting up a chocolate powder manufacturing plant?
13. - What are the utility requirements for setting up a chocolate powder manufacturing plant?
14. - What are the human resource requirements for setting up a chocolate powder manufacturing plant?
15. - What are the infrastructure costs for setting up a chocolate powder manufacturing plant?
16. - What are the capital costs for setting up a chocolate powder manufacturing plant?
17. - What are the operating costs for setting up a chocolate powder manufacturing plant?
18. - What should be the pricing mechanism of the final product?
19. - What will be the income and expenditures for a chocolate powder manufacturing plant?
20. - What is the time required to break even?
21. - What are the profit projections for setting up a chocolate powder manufacturing plant?
22. - What are the key success and risk factors in the chocolate powder industry?
23. - What are the key regulatory procedures and requirements for setting up a chocolate powder manufacturing plant?
24. - What are the key certifications required for setting up a chocolate powder manufacturing plant?
Related Reports by IMARC Report:
About Us
IMARC Group is a leading market research company that offers management strategy and market research worldwide. We partner with clients in all sectors and regions to identify their highest-value opportunities, address their most critical challenges, and transform their businesses.
IMARC’s information products include major market, scientific, economic and technological developments for business leaders in pharmaceutical, industrial, and high technology organizations. Market forecasts and industry analysis for biotechnology, advanced materials, pharmaceuticals, food and beverage, travel and tourism, nanotechnology and novel processing methods are at the top of the company’s expertise.
Contact Us:
IMARC Group
134 N 4th St. Brooklyn, NY 11249, USA
Email: sales@imarcgroup.com
Tel No:(D) +91 120 433 0800
United States: +1-631-791-1145
| ankitimarc | |
1,883,000 | Aditya City Grace | Aditya City Grace Ghaziabad | Aditya City Grace NH 24 Ghaziabad | Aditya City Grace in Ghaziabad, where luxurious 2 & 3 BHK apartments start at 54 Lakhs. These... | 0 | 2024-06-10T10:03:21 | https://dev.to/narendra_kumar_5138507a03/aditya-city-grace-aditya-city-grace-ghaziabad-aditya-city-grace-nh-24-ghaziabad-422o | realestate, realestateinvestment, realestateagent, adityacitygrace | Aditya City Grace in Ghaziabad, where [**luxurious 2 & 3 BHK apartments**](https://adityacitygrace.site/) start at 54 Lakhs. These homes blend modern design with elegance and comfort, perfect for young professionals, growing families, and investors. Positioned centrally in Ghaziabad, Aditya City Grace provides easy connectivity to major highways, shopping hubs, and educational facilities.
Indulge in a range of premium amenities, including a state-of-the-art gym, serene parks, and round-the-clock security, all crafted to ensure a safe and healthy lifestyle. The beautifully landscaped environment provides a tranquil retreat, ideal for unwinding after a busy day. Join a vibrant community and create lasting memories with your neighbors at Aditya City Grace.
Contact us: 8595808895
| narendra_kumar_5138507a03 |
1,882,999 | What is Wagepoint Payroll Software ? | Ever heard of Wagepoint payroll software? If not, then today is the day you do. It is a software for... | 0 | 2024-06-10T10:02:36 | https://dev.to/ayesha_aftab_665bee02ea9f/what-is-wagepoint-payroll-software--1ef0 | finance, payroll, accounting, techtalks | Ever heard of Wagepoint payroll software? If not, then today is
the day you do. It is a software for small and medium sized businesses to streamline their payroll process. The software has an ability to streamline processes in such a way that it saves valuable time. The business owner does not have to give too much efforts to do calculations or data entry and has to just focus on expanding his business.
It has many features such as user friendliness, simple setup,
reliable customer support and direct deposit. It calculates
the salaries, deductions, taxed on its own and is good at
managing tax filings, state and local payroll tax calculation.
[Wagepoint payroll pricing structure](https://accountico.ca/wagepoint-payroll-software-review-pricing-all-you-need-to-know/):
1. Base Fee
2. Total no. of Employees
3. Any additional features one chooses
4. Comprehensive End year reporting
5. Customer service and support | ayesha_aftab_665bee02ea9f |
1,882,998 | Top Shows to Watch on the Bounce TV App in 2024 | As we step into 2024, the landscape of television continues to evolve, offering viewers an expansive... | 0 | 2024-06-10T10:00:38 | https://dev.to/charlotte_wesker_2b851e4f/top-shows-to-watch-on-the-bounce-tv-app-in-2024-8o8 | As we step into 2024, the landscape of television continues to evolve, offering viewers an expansive array of entertainment options. Among the platforms gaining significant traction is the Bounce TV app, renowned for its curated selection of top-quality programming tailored to African-American audiences. From gripping dramas to uproarious comedies and enlightening documentaries, the Bounce TV app boasts a diverse range of shows catering to various tastes and preferences. In this article, we'll delve into some of the standout series you can't afford to miss on the Bounce TV app in 2024. So, grab your favorite snacks, settle into your comfiest spot, and let's explore the must-watch shows awaiting you on Bounce TV.
## Drama Series
"Saints & Sinners": Set in the enigmatic backdrop of a small Southern town, "Saints & Sinners" unfolds a riveting narrative woven with secrets, scandals, and suspense. Led by a stellar ensemble cast, the series delves deep into the intricate dynamics of power, corruption, and redemption. As viewers tune in to [Watch Bounce TV](url=https://bingevpn.com/channel/bounce-tv/how-to-watch-bounce-tv-outside-the-usa/), they're treated to an enthralling portrayal of human nature's complexities, where morality blurs and consequences unfold in gripping fashion.
"In the Cut": Combining elements of comedy and drama, "In the Cut" offers a delightful glimpse into the life of Jay Weaver, a charismatic barbershop owner, and his eclectic circle of friends and family. With its witty humor and relatable scenarios, the series captures the essence of urban living with authenticity and charm. As viewers immerse themselves in the world of "In the Cut" on the Bounce TV app, they're treated to a captivating blend of laughter, camaraderie, and life lessons.
## Comedy Series
"Family Time": Follow the endearing escapades of the Stallworth family as they navigate the joys and challenges of contemporary family life in "Family Time." With its heartwarming humor and relatable scenarios, the series strikes a chord with audiences of all ages. As viewers tune in to Watch Bounce TV, they're invited to share in the laughter, love, and occasional chaos that define the Stallworths' everyday adventures.
"Grown Folks": Helmed by comedian Gary "G-Thang" Johnson, "Grown Folks" offers a comedic take on the trials and tribulations of adulthood, exploring themes of relationships, careers, and self-discovery. Through its sharp wit and engaging storytelling, the series delivers laugh-out-loud moments and relatable anecdotes that resonate with viewers. As audiences engage with the antics of the show's characters on the Bounce TV app, they're treated to a hilarious and heartfelt journey through the ups and downs of grown-up life.
## Documentary Series
"Ed Gordon": Renowned journalist Ed Gordon leads viewers on an enlightening exploration of contemporary issues impacting the African-American community in "Ed Gordon." Through in-depth interviews and thought-provoking analysis, the series sheds light on topics ranging from politics and social justice to culture and entertainment. As viewers engage with the insightful discussions presented on the Bounce TV app, they gain valuable perspectives and deeper understanding of the issues shaping society today.
"Our World with Black Enterprise": Dive into the world of black entrepreneurship, innovation, and achievement with "Our World with Black Enterprise." Hosted by Caroline Clarke, the series celebrates the accomplishments and contributions of African-American leaders across various industries. Through inspiring profiles and compelling stories, viewers are inspired to pursue their own dreams and aspirations. As audiences tune in to Watch Bounce TV, they're empowered to embrace their potential and make meaningful impacts in their communities.
## Additional Topics:
Cultural Enrichment
In addition to its entertainment value, the Bounce TV app serves as a platform for cultural enrichment, offering shows that celebrate African-American heritage, traditions, and achievements. Through historical documentaries, musical showcases, and insightful interviews, viewers gain a deeper appreciation for the rich tapestry of African-American culture and its enduring influence on society.
## Representation and Diversity
One of the hallmarks of the Bounce TV app is its commitment to representation and diversity, showcasing a wide range of perspectives, voices, and experiences within the African-American community. From showcasing diverse talent in front of and behind the camera to addressing relevant social issues with authenticity and empathy, Bounce TV sets a standard for inclusive storytelling that resonates with audiences of all backgrounds.
## Community Engagement
Beyond entertainment, the Bounce TV app fosters community engagement and dialogue, providing a platform for viewers to connect, share, and engage with content that reflects their interests and experiences. Through interactive features, social media integration, and community events, Bounce TV creates opportunities for viewers to participate actively in the programming they love and contribute to a vibrant online community.
## Summary
The Bounce TV app stands as a beacon of excellence in African-American entertainment, offering a diverse and compelling lineup of shows that entertain, educate, and inspire. From captivating dramas and side-splitting comedies to enlightening documentaries and cultural showcases, there's something for everyone to enjoy on this innovative platform. By tuning in to the Bounce TV app in 2024, viewers can embark on a journey of discovery, laughter, and empowerment, connecting with stories and voices that resonate with their own experiences and aspirations. So, whether you're seeking entertainment, enlightenment, or community, the Bounce TV app has you covered with top-notch programming that celebrates the richness and diversity of African-American culture. | charlotte_wesker_2b851e4f | |
1,882,997 | Leveraging Dynamic Styles in React Components with Styled Components | Explore how to use function-generated styled components for dynamic CSS properties in React applications. | 0 | 2024-06-10T10:00:34 | https://dev.to/itselftools/leveraging-dynamic-styles-in-react-components-with-styled-components-32b0 | react, styledcomponents, webdev, javascript | In modern web development, adaptability and customization play key roles in creating dynamic user experiences. At [itselftools.com](https://itselftools.com), with our extensive experience in building over 30 projects using Next.js and Firebase, we have consistently pushed the boundaries of what web applications can achieve. One technique particularly useful for increasing the dynamism of your web components is the use of function-generated styled components. This article explores a snippet that demonstrates this concept with clarity and precision.
### Dissecting the Code Snippet:
```javascript
const dynamicStyle = (color) => StyleSheet`div {\n background-color: ${color};\n padding: 20px;\n border-radius: 8px;\n}`
```
This JavaScript function, `dynamicStyle`, leverages tagged template literals—a feature of ES6—to define and return a styled component dynamically. Here's a breakdown of how it works:
1. **Function Definition**: `dynamicStyle` is an arrow function that takes `color` as an argument. This allows the function to be reused with different colors, making the component it styles highly customizable.
2. **StyleSheet Usage**: The function uses `StyleSheet`, which typically represents a styled component in libraries like Styled-Components or Emotion. These libraries allow developers to write their CSS in JavaScript, boosting composability and reusability.
3. **Dynamic CSS Properties**: Inside the template literal, CSS properties are defined with JavaScript expressions embedded within `${}`. In this example, `color` is dynamically applied to the `background-color` property of a `div`. Additional styling like `padding` and `border-radius` are also specified, demonstrating the ease with which developers can modify component styles dynamically.
This approach not only simplifies the styling process but also enhances the flexibility and maintenance of your codebase. By defining styles dynamically, you can cater to different user preferences, themes, or branding guidelines without cluttering your code with conditional style rules.
### Conclusion:
Utilizing dynamic styling in web applications offers a powerful way to enhance user interface customization and interactivity. For developers looking to see this type of coding in action, exploring our implementation in projects such as [Adjectives Finder](https://adjectives-for.com), [Word Search Tools](https://find-words.com), and [High-Quality Screen Recording](https://online-screen-recorder.com) can provide valuable insights. These applications showcase how dynamic styling can effectively improve user experience and design aesthetics. | antoineit |
1,873,655 | How to disable Rails Form's `.field_with_errors` | This article was originally published on Rails Designer. This is a quick one! 🚤💨 Rails is known... | 0 | 2024-06-10T10:00:00 | https://railsdesigner.com/disable-field-with-errors/ | rails, ruby, webdev | This article was originally published on [Rails Designer](https://railsdesigner.com/disable-field-with-errors/).
---
This is a quick one! 🚤💨
Rails is known for great defaults and conventions. But there's one feature that I disable in all my Rails apps.
That feature is `field_with_errors` (coming from [ActiveModelInstanceTag](https://api.rubyonrails.org/classes/ActionView/Helpers/ActiveModelInstanceTag.html#method-i-error_wrapping)). If there are any form validation errors for a field, this method wraps it with a `div.field_with_errors`. In turn you can write CSS like this to style it accordingly:
```css
.field_with_errors input,
.field_with_errors textarea,
.field_with_errors select {
background-color: #ffcccc;
}
```
But the extra div, more often than not, messes up the flow of the (carefully) crafted HTML and thus breaks the layout.
More importantly I prefer to write my own components to highlight form validation errors as it allows me to style my field- and label-inputs exactly how I want.
Fortunately disabling the `field_with_errors` div is easy!
Create a new initializer and add this:
```ruby
# config/initializers/field_with_errors.rb
ActionView::Base.field_error_proc = proc do |html_tag, instance|
html_tag.html_safe
end
```
It customizes Rails' form field error handling by setting a proc that returns the original HTML tag unmodified and safe for HTML rendering.
All invalid form fields are now returned as-is, instead of being wrapped in the `field_with_errors` div. 🏆 | railsdesigner |
1,882,996 | Sapphire Las Vegas | Sapphire Las Vegas is renowned for providing a top-tier experience in the heart of Sin City. This... | 0 | 2024-06-10T09:59:49 | https://dev.to/paidactor24/sapphire-las-vegas-598 | Sapphire Las Vegas is renowned for providing a top-tier experience in the heart of Sin City. This iconic [las vegas gentlemen's club](https://sapphirelasvegas.com/) is known for its opulent setting, incredible performances, and outstanding service. Whether you're celebrating a special occasion or just looking for a night of fun, Sapphire is the place to be.
| paidactor24 | |
1,882,995 | Aluminum Pipes: Optimal Performance in HVAC Systems and Air Distribution | Light weight aluminum Pipelines: The Finest Option for Your HVAC Body If you are on the market for... | 0 | 2024-06-10T09:57:51 | https://dev.to/sjjuuer_msejrkt_08b4afb3f/aluminum-pipes-optimal-performance-in-hvac-systems-and-air-distribution-5flg | design |
Light weight aluminum Pipelines: The Finest Option for Your HVAC Body
If you are on the market for an HVAC body, you may be questioning which kind of pipeline is actually the very best for your requirements. Look no more compared to light weight aluminum pipelines This ingenious piping product is actually risk-free, resilient, as well as user-friendly. Right below are actually 5 reasons light weight aluminum Alloy Steel Pipe pipelines are actually the ideal option for your HVAC body
Benefits of Light weight aluminum Pipelines
Unlike conventional piping products such as copper or even steel, light weight aluminum pipelines deal a number of essential benefits. Firstly, they're light-weight as well as simple towards manage. This creates setup quicker as well as much a lot extra effective, conserving you money and time. Furthermore, light weight aluminum pipelines are actually extremely immune towards rust as well as corrosion, significance they will final much a lot longer as well as need much less upkeep in time
Development in Light weight aluminum Piping
At the forefront of products development, light weight aluminum piping is actually rapidly ending up being the market requirement for HVAC bodies. This schedules in big section towards the material's exceptional efficiency as well as resilience. Certainly not just is actually it immune towards rust as well as corrosion, however it is likewise extremely malleable as well as versatile. This implies it could be quickly personalized as well as defined towards suit any type of HVAC setup or even style requirements
Security Functions
When it happens for your HVAC body, security is actually of miraculous significance. This is actually why light weight aluminum piping is actually an outstanding option. Unlike a few other piping products, it is safe as well as non-combustible. This implies it will not add to prospective terminate risks or even position any type of health and wellness dangers towards you or even your household
Utilizing Light weight aluminum Pipelines
Utilizing light weight aluminum pipelines is actually extremely simple. They could be quickly reduce towards dimension as well as linked utilizing requirement installations. This creates all of them extremely flexible as well as versatile towards any type of HVAC style or even setup requirements. Furthermore, light weight aluminum piping is actually extremely Pipe Fitting suitable along with a wide variety of HVAC bodies as well as elements, creating it simple towards incorporate right in to your current body
Maintenance Light weight aluminum Pipelines
Among the very best functions of light weight aluminum pipelines is actually that they need hardly any maintenance in time. Because of their extremely resilient, corrosion-resistant product, they will final for several years without requiring repair work or even substitute. Furthermore, if you perform have to solution your light weight aluminum pipelines, it is simple towards accessibility as well as repair work any type of problems rapidly as well as effectively
High top premium as well as Requests
Lastly, it is essential towards details that light weight aluminum piping is actually a top quality Galvanized Products that is appropriate for a wide variety of requests. Whether you are setting up a brand-new HVAC body or even updating an current one, light weight aluminum pipelines are actually an outstanding option for ideal efficiency as well as effectiveness. They deal unparalleled resilience, security, as well as versatility for every one of your HVAC requirements
| sjjuuer_msejrkt_08b4afb3f |
1,882,994 | Create A Sidebar Menu using HTML and CSS only | As a website visitor, you’ve probably noticed sidebars on various sites. But as a beginner web... | 0 | 2024-06-10T09:57:14 | https://www.codingnepalweb.com/create-sidebar-menu-html-css-only/ | html, css, webdev, javascript |
As a website visitor, you’ve probably noticed [sidebars](https://www.codingnepalweb.com/category/sidebar-menu/) on various sites. But as a beginner web developer, have you ever wondered how to create one using only HTML and CSS? Yes, just HTML and CSS! Creating a sidebar helps the beginner to gain a solid understanding of HTML basics, improve CSS styling skills, and get practical experience in web design.
In this blog post, I’ll show you how to make a responsive sidebar using just [HTML](https://www.codingnepalweb.com/?s=html) and [CSS](https://www.codingnepalweb.com/category/html-and-css/). The sidebar will start hidden, showing only icons for each link. When you hover over it, the sidebar will smoothly expand to show the links.
We'll use basic HTML elements like `<aside>`, `<ul>`, `<li>`, and `<a>`, and simple CSS properties to style it. This CSS sidebar project is straightforward, so you should find it easy to follow and understand the code.
## Video Tutorial of Responsive Sidebar Menu in HTML & CSS
{% embed https://youtu.be/VU74s-XAn7M %}
The YouTube video above is a great resource if you prefer learning from video tutorials. In this video, I explain each line of code and provide informative comments to make the process of creating your HTML sidebar easy to follow, especially for beginners.
However, if you prefer reading blog posts or need a step-by-step guide for this project, you can keep reading this post.
## Steps to Create Responsive Sidebar in HTML and CSS
To create a responsive sidebar using HTML and CSS only, follow these simple step-by-step instructions:
- First, create a folder with any name you like. Then, make the necessary files inside it.
- Create a file called `index.html` to serve as the main file.
- Create a file called `style.css` for the CSS code.
- Finally, download the [Images](https://www.codingnepalweb.com/custom-projects/simple-sidebar-menu-html-css-only-images.zip) folder and place it in your project directory. This folder contains the logo and user images used for this sidebar project.
To start, add the following HTML codes to your `index.html` file: This code contains essential HTML markup with different semantic tags like `<aside>`, `<ul>`, `<li>`, and `<a>` to create our sidebar layout.
```html
<!DOCTYPE html>
<!-- Coding By CodingNepal - www.codingnepalweb.com -->
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Sidebar Menu HTML and CSS | CodingNepal</title>
<!-- Linking Google Font Link For Icons -->
<link rel="stylesheet"
href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200" />
<link rel="stylesheet" href="style.css" />
</head>
<body>
<aside class="sidebar">
<div class="sidebar-header">
<img src="images/logo.png" alt="logo" />
<h2>CodingLab</h2>
</div>
<ul class="sidebar-links">
<h4>
<span>Main Menu</span>
<div class="menu-separator"></div>
</h4>
<li>
<a href="#">
<span class="material-symbols-outlined"> dashboard </span>Dashboard</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> overview </span>Overview</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> monitoring </span>Analytic</a>
</li>
<h4>
<span>General</span>
<div class="menu-separator"></div>
</h4>
<li>
<a href="#"><span class="material-symbols-outlined"> folder </span>Projects</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> groups </span>Groups</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> move_up </span>Transfer</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> flag </span>All Reports</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined">
notifications_active </span>Notifications</a>
</li>
<h4>
<span>Account</span>
<div class="menu-separator"></div>
</h4>
<li>
<a href="#"><span class="material-symbols-outlined"> account_circle </span>Profile</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> settings </span>Settings</a>
</li>
<li>
<a href="#"><span class="material-symbols-outlined"> logout </span>Logout</a>
</li>
</ul>
<div class="user-account">
<div class="user-profile">
<img src="images/profile-img.jpg" alt="Profile Image" />
<div class="user-detail">
<h3>Eva Murphy</h3>
<span>Web Developer</span>
</div>
</div>
</div>
</aside>
</body>
</html>
```
Next, add the following CSS codes to your `style.css` file to make your sidebar functional and visually appealing. Feel free to experiment with different CSS properties, such as colors, fonts, backgrounds, etc., to make your sidebar even more attractive.
```css
/* Importing Google font - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: "Poppins", sans-serif;
}
body {
min-height: 100vh;
background: #F0F4FF;
}
.sidebar {
position: fixed;
top: 0;
left: 0;
height: 100%;
width: 85px;
display: flex;
overflow-x: hidden;
flex-direction: column;
background: #161a2d;
padding: 25px 20px;
transition: all 0.4s ease;
}
.sidebar:hover {
width: 260px;
}
.sidebar .sidebar-header {
display: flex;
align-items: center;
}
.sidebar .sidebar-header img {
width: 42px;
border-radius: 50%;
}
.sidebar .sidebar-header h2 {
color: #fff;
font-size: 1.25rem;
font-weight: 600;
white-space: nowrap;
margin-left: 23px;
}
.sidebar-links h4 {
color: #fff;
font-weight: 500;
white-space: nowrap;
margin: 10px 0;
position: relative;
}
.sidebar-links h4 span {
opacity: 0;
}
.sidebar:hover .sidebar-links h4 span {
opacity: 1;
}
.sidebar-links .menu-separator {
position: absolute;
left: 0;
top: 50%;
width: 100%;
height: 1px;
transform: scaleX(1);
transform: translateY(-50%);
background: #4f52ba;
transform-origin: right;
transition-delay: 0.2s;
}
.sidebar:hover .sidebar-links .menu-separator {
transition-delay: 0s;
transform: scaleX(0);
}
.sidebar-links {
list-style: none;
margin-top: 20px;
height: 80%;
overflow-y: auto;
scrollbar-width: none;
}
.sidebar-links::-webkit-scrollbar {
display: none;
}
.sidebar-links li a {
display: flex;
align-items: center;
gap: 0 20px;
color: #fff;
font-weight: 500;
white-space: nowrap;
padding: 15px 10px;
text-decoration: none;
transition: 0.2s ease;
}
.sidebar-links li a:hover {
color: #161a2d;
background: #fff;
border-radius: 4px;
}
.user-account {
margin-top: auto;
padding: 12px 10px;
margin-left: -10px;
}
.user-profile {
display: flex;
align-items: center;
color: #161a2d;
}
.user-profile img {
width: 42px;
border-radius: 50%;
border: 2px solid #fff;
}
.user-profile h3 {
font-size: 1rem;
font-weight: 600;
}
.user-profile span {
font-size: 0.775rem;
font-weight: 600;
}
.user-detail {
margin-left: 23px;
white-space: nowrap;
}
.sidebar:hover .user-account {
background: #fff;
border-radius: 4px;
}
```
That's it! If you've added the code correctly, you're ready to see your sidebar. Open the `index.html` file in your preferred browser to view the sidebar in action.
## Conclusion and final words
Creating a sidebar using HTML and CSS is an achievable task for beginners in web development. By following the steps and code provided in this [blog](https://www.codingnepalweb.com/category/blog/) post, you successfully created your sidebar. This project helped you grasp the essentials of HTML structure and CSS styling, giving you a foundational understanding of how sidebars are structured and designed.
To further boost your web development skills, especially with sidebars, consider recreating other [attractive sidebars](https://www.codingnepalweb.com/category/sidebar-menu/) showcased on this website. Many of these sidebars utilize JavaScript to implement advanced features such as dark mode, dropdown menus, and more.
If you encounter any problems while creating your sidebar, you can download the source code files for this project for free by clicking the “Download” button. You can also view a live demo of it by clicking the “View Live” button.
[View Live Demo](https://www.codingnepalweb.com/demos/create-sidebar-menu-html-css-only/)
[Download Code Files](https://www.codingnepalweb.com/create-sidebar-menu-html-css-only/)
| codingnepal |
1,882,993 | Seamless Steel Pipes: Streamlining Fluid Conveyance in Petrochemical Plants | Seamless Steel Pipes: Streamlining Fluid Conveyance in Petrochemical Vegetation Regarding... | 0 | 2024-06-10T09:56:29 | https://dev.to/carrie_richardsoe_870d97c/seamless-steel-pipes-streamlining-fluid-conveyance-in-petrochemical-plants-3alc | Seamless Steel Pipes: Streamlining Fluid Conveyance in Petrochemical Vegetation
Regarding petrochemical vegetation, one of the most aspects being essential ensuring all liquids plus gases is transported efficiently plus precisely. This is when metal that has been appear that have been handy that test seamless. They've been some sort of piping that may be manufactured from somewhat which try solid of, without the seams because bones, we are going to has peek that'll be great quality which is great of seamless metal pipelines, the way they may be put, and thus applications which can be different they truly are typically trustworthy.
Advantages of Seamless Steel Pipes
One of many benefits of seamless metal pipelines or Carbon Steel Pipe & Tube may be the comprehended fact that is indisputable had been indisputable they are extremely durable and many other things effective. They usually do not has seams because bones which may damage the dwelling, meaning they are able to withstand greater pressures in comparison with the quantity that was genuine of forms of piping. Furthermore, they are less vulnerable to leakages because additional forms of harm, and could also endure for some time that are really very long is correct fix that was most appropriate.
Innovation in Seamless Steel Pipes
In their globe which are modern have been advancements being most the tech venue to offer metal which are seamless. For instance, present kinds of heat application treatment plus drawing which was cool become developed which will generate pipelines and suffered durability plus energy, further coatings being latest linings may actually have now been developed which can only help to be able to undertake corrosion as well as other kinds of harm.
Safety plus Use of Seamless Steel Pipes
Because seamless metal pipelines are really stronger plus effective, they are a complete lot of the time which is better found in applications where safeguards is just a concern which are biggest. They've been trustworthy in high-pressure means, in which a drip which can be great are smaller be extremely dangerous, since they are produced from an metal that are certain is little there might be less probability of a failing that is deep rupture within the system.
Producing Use Of Seamless Steel Pipes
Seamless metal pipelines works extremely well in the quantity which was big applications that are different in line with the requirements being particular the guts because plant. Some uses which might be transporting which are typical plus oils being fluid that are normal along with other forms of liquids. They're usually able moreover be properly used for structural solution, because becoming an area that is best of the heating because system that has been cooling.
Service plus Quality of Seamless Steel Pipes
Whenever metal and this can be picking are seamless, you need to decide a business that are dependable might build item which was top-quality solution that has been dependable. Pipe Fitting organization which is fantastic have the ability to provide an number of pipelines in plenty of sizes plus specifications, together plus integrate directions which will be effective that pipelines are way best appropriate up to and/or application which was including is certain they must have actually circumstances presenting competitive rates plus bloodstream that are quick circumstances.
Applications of Seamless Steel Pipes
Seamless metal pipelines are usually employed in petrochemical vegetation, nevertheless they have been contained in a true number of companies that are further construction, automotive, plus aerospace. They typically can be used in applications where durability plus power are crucial, and they're usually additionally also well suited for conveying liquids plus gases in high-pressure promotions.
To close out, seamless metal pipelines Products decide to try obviously a substantial section of different petrochemical vegetation and various production group. It really works pros, like power, durability, plus safeguards, plus tend become a variety which can be typical transporting liquids plus gases in high-pressure applications. Their determine an business which is created can supplying things options that are being can be top-quality dependable if you are wanting metal which can be seamless, make sure. | carrie_richardsoe_870d97c | |
1,882,992 | perfumes are the best | my name is ayesha and im a perfumist | 0 | 2024-06-10T09:55:08 | https://dev.to/ayesha_aftab_2709f69813a9/perfumes-are-the-best-18k3 | jellyfin, webdev, javascript, beginners | my name is ayesha and im a perfumist | ayesha_aftab_2709f69813a9 |
1,882,991 | The Complete Guide to Full Stack Development: Essential Skills and Strategies | Introduction: Embarking on the journey to become a full stack developer is an exciting and rewarding... | 0 | 2024-06-10T09:54:49 | https://dev.to/varsha_ravi_4c4abc5299c4f/the-complete-guide-to-full-stack-development-essential-skills-and-strategies-3b7m | full, stack, webdev, javascript |
Introduction:
Embarking on the journey to become a full stack developer is an exciting and rewarding endeavor. In this comprehensive guide, we will delve into the intricacies of full stack development, exploring the essential skills, strategies, and resources needed to excel in this dynamic field. Whether you're a seasoned developer or just starting your coding journey, this guide will equip you with the knowledge and tools to succeed in the world of web development. For those looking to master the art of Full Stack, enrolling in a reputable **[Full Stack Developer Training in Hyderabad](https://www.acte.in/full-stack-developer-training-in-hyderabad)** can provide the essential skills and knowledge needed for navigating this dynamic landscape effectively.
1. Understanding the Full Stack Developer Role
Discover the multifaceted role of a full stack developer and the diverse skill set required to thrive in this field. From front end design to back end implementation and database management, explore the breadth of responsibilities associated with full stack development.
2. Front End Development Essentials
Dive into front end development fundamentals, mastering HTML, CSS, and JavaScript to create captivating user interfaces. Explore modern front end frameworks and libraries, and learn best practices for building responsive, accessible, and visually stunning web applications.
3. Back End Development Foundations
Explore the intricacies of back end development, mastering server-side programming languages and database management techniques. From designing APIs to implementing authentication systems, gain the skills needed to build robust and scalable server-side architectures.
4. Integrating Front End and Back End Components
Learn how to seamlessly integrate front end and back end components to create cohesive web applications. Explore data flow management, API communication, and other key concepts essential for building full stack solutions that meet user and business needs. Here’s where getting certified with the **[Top Full Stack Online Certification](https://www.acte.in/full-stack-developer-training)** can help a lot.
5. Problem-Solving Strategies for Full Stack Developers
Develop your problem-solving skills and learn how to overcome common challenges encountered in full stack development. From debugging code to optimizing performance, discover strategies for troubleshooting and delivering high-quality solutions.
6. Essential Tools and Technologies
Explore the tools and technologies that streamline the full stack development process, from version control systems to development environments and deployment platforms. Learn how to leverage these tools effectively to enhance your productivity and collaboration.
7. Building Your Full Stack Portfolio
Craft a compelling portfolio that showcases your full stack development skills and projects. Learn how to curate your portfolio, write project descriptions, and present your work effectively to potential employers and clients.
8. Continuing Your Full Stack Journey
Embrace lifelong learning and professional growth as a full stack developer. Explore opportunities for further education, specialization, and career advancement, and stay updated with the latest trends and technologies in web development.
Conclusion:
Becoming a proficient full stack developer requires dedication, continuous learning, and a passion for solving complex problems. By mastering front end and back end technologies, honing your problem-solving skills, and leveraging the right tools and resources, you can unlock your full potential in the world of web development. Start your journey today and embark on the path to becoming a successful full stack developer. | varsha_ravi_4c4abc5299c4f |
1,882,990 | 0 downtime is a myth with deployment slots | Are you using Azure App service deployment slots? Is it really zero downtime? The answer might vary,... | 0 | 2024-06-10T09:54:43 | https://dev.to/c0dingpanda/0-downtime-is-a-myth-with-deployment-slots-3o7j | azure, paas, cloud, devops |
Are you using Azure App service deployment slots? Is it really zero downtime?
The answer might vary, but my response is both “yes” and “no.” It’s “yes” if you have a [SPA (Single Page Application)](https://developer.mozilla.org/en-US/docs/Glossary/SPA). However, if you’re dealing with a complex project that has interdependencies among multiple web applications or services, the answer is “no.”
In my case, we had multiple web services with interdependencies. Our product was a single instance for each customer. Additionally, there were post-deployment jobs to run. Azure App Service takes more time to perform a swap over direct deployment, and the warm-up time for slots can vary. The Infrastructure as Code (IaC) also becomes increasingly complex.
Our product consisted of around five core components, and we had a database along with custom configurations (not AppSettings or connection strings) that couldn’t be moved to App Service due to legacy support. To update the components, we first had to update the database, which would temporarily bring down the service endpoint. Unfortunately, all workarounds failed to achieve true “zero downtime,” and the custom configurations introduced additional downtimes.
we were using the staged slots for around 2+ years and we realized the following on slots based deployments
- Overhead and Management:
While deployment slots provide flexibility, managing multiple slots can introduce additional overhead. Each slot may require separate DNS records, network rules, SSL certificates, and other configurations.
If you choose separate app services instead of slots, you avoid this overhead but lose some benefits like seamless swapping and prewarming.
- Complexity in Pipelines:
When using deployment slots in DevOps pipelines, be cautious about swapping across environments. Improper use can lead to unexpected results.
It’s essential to understand the behavior of slots during swaps and ensure proper testing to avoid downtime and longer deployments3.
- Increased Cost\Time\IaC complexity.
Stage slots demand unique resources apart from prod but that will end up in increasing cost and deployment time.
Considering all these challenges, we decided not to use slots. As a result, we observed a drastic increase in deployment speed by 4X, and we reduced costs by almost 1.2X. Instead, we now create a new test infrastructure, test the product, and deploy directly to production | c0dingpanda |
1,882,989 | 🚀 Unlock the Power of Back End Development with Node.js 🌐 | " Hey today let's Dive into Back-end development with Node.js 🙃 Then #COdeWith #KOToka Looking to... | 0 | 2024-06-10T09:54:01 | https://dev.to/erasmuskotoka/unlock-the-power-of-back-end-development-with-nodejs-3h93 | " Hey today let's Dive into Back-end development with Node.js 🙃
Then #COdeWith #KOToka
Looking to build fast, efficient, and scalable server-side applications? Node.js is your go-to solution! 🚀
With its non-blocking, event-driven architecture, Node.js can handle multiple requests simultaneously, making it perfect for real-time applications, APIs, and dynamic web apps.
Imagine using JavaScript on both the front end and back end for a seamless, unified development experience.
🌟 Whether you're an experienced developer or just starting, Node.js offers the tools and flexibility you need to take your projects to the next level.
Dive into Node.js and transform your back end development skills! 💻✨
#NodeJS #BackendDevelopment #JavaScript #WebDevelopment #Coding
| erasmuskotoka | |
1,882,988 | Ensuring Quality Shelter: A Look into Roofing and Gutter Services in Downers Grove | Ensuring the integrity of your home’s exterior is critical, especially when it comes to protecting... | 0 | 2024-06-10T09:52:52 | https://dev.to/franklawson1/ensuring-quality-shelter-a-look-into-roofing-and-gutter-services-in-downers-grove-p4k |
Ensuring the integrity of your home’s exterior is critical, especially when it comes to protecting against the elements. In Downers Grove, residents understand how extreme weather can take a toll on their homes. This is where the services of a reliable roofing company become indispensable. From roof repairs to gutter installations, these professionals keep homes safe and dry throughout the seasons.
The Importance of Professional Roofing Services
The roof over your head does more than just cap off the appearance of your home; it serves as the first line of defense against rain, snow, wind, and sun. Roofing contractors in Downers Grove are skilled at maintaining this crucial component of your house’s structure. They offer comprehensive services such as installation, repair, and maintenance to ensure that your roof remains in top condition.
A well-maintained roof not only protects you from harsh weather but also contributes to energy efficiency. Proper insulation and ventilation can help keep heating and cooling costs down while preventing issues like ice dams in winter. Moreover, regular inspections by a professional can catch potential problems early, saving homeowners from costly repairs or replacements down the line.
Gutter Installation – Channeling Safety and Functionality
An often-overlooked aspect of roofing is a functional gutter system. Gutters play an essential role in directing rainwater away from your home's foundation and preventing water damage. A roofing company in Downers Grove that offers gutter installation provides homeowners with tailored solutions that enhance their property’s drainage system.
Gutters come in various materials and styles to match different needs and aesthetics. Whether it's seamless aluminum gutters for durability or copper ones for a touch of elegance, these components should be installed with precision to ensure they perform effectively during heavy downpours.
Selecting Your Roofing Contractor Wisely
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Homeowners should seek out a contractor who communicates clearly about the scope of work, materials used, timelines for completion, and guarantees offered on labor and materials. Although pricing is an important consideration, it should not be the sole deciding factor – craftsmanship quality matters just as much when it comes to long-term performance and protection.
In conclusion, maintaining a sturdy roof and functional gutters is paramount for any homeowner looking to protect their investment from the unpredictable climate of Downers Grove. With proper care provided by skilled roofing contractors who specialize in both roofs and gutter installations, residents can rest assured that their homes will remain secure through all types of weather conditions—preserving peace of mind alongside structural integrity.
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1,882,987 | AWS open source newsletter, #199 | Edition #199 Welcome to issue #199 of the AWS open source newsletter, the newsletter where... | 0 | 2024-06-10T09:52:49 | https://community.aws/content/2hgOKawTtLBR1DJjBa8KlLPTVio/aws-open-source-newsletter-199 | opensource, aws | ## Edition #199
Welcome to issue #199 of the AWS open source newsletter, the newsletter where we try and provide you the best open source on AWS content. I cannot believe that we are one issue away from a pretty significant milestone. I would love to hear from some of the regular readers of this newsletter to find any highlights they have had, or perhaps things they have found that have been pretty significant. Hit me up so I can share some of those stories.
New projects this week include an updated Python library when working with Amazon RDS databases, the very cool new way to deploy frontends to AWS, an alternative to NAT Gateways, a couple of cool tools for CloudFormation users, a new serverless framework that works with GPUs, and some demo repos that feature generative AI and one of my favourite AWS security features, Nitro Enclaves. Also featured in this edition is content on Valkey, .NET, Babelfish for PostgreSQL, PostgreSQL, MySQL, Kubernetes, Apache Kafka, Apache Livy, Jupyter, Amazon EMR, AWS ParallelCluster, Apache TinkerPop, GraphQL, Apache Flink, sustainability-scanner, YugabyteDB, LangChain, DSPy, Argo Workflows, and CNOE. Check out the videos and events section at the end, and as always, if you have an open source event you want me to include, just drop me the details.
### Latest open source projects
*The great thing about open source projects is that you can review the source code. If you like the look of these projects, make sure you that take a look at the code, and if it is useful to you, get in touch with the maintainer to provide feedback, suggestions or even submit a contribution. The projects mentioned here do not represent any formal recommendation or endorsement, I am just sharing for greater awareness as I think they look useful and interesting!*
### Tools
**aws-advanced-python-wrapper**
[aws-advanced-python-wrapper](https://aws-oss.beachgeek.co.uk/3xc) is complementary to and extends the functionality of an existing Python database driver to help an application take advantage of the features of clustered databases on AWS. It wraps the open-source Psycopg and the MySQL Connector/Python drivers and supports Python versions 3.8 or newer. You can install the aws-advanced-python-wrapper package using the pip command along with either the psycpg or mysql-connector-python open-source packages. The wrapper driver relies on monitoring database cluster status and being aware of the cluster topology to determine the new writer. This approach reduces switchover and failover times from tens of seconds to single digit seconds compared to the open-source drivers. Check the README for more details and example code on how to use this.
**cloudfront-hosting-toolkit**
[cloudfront-hosting-toolkit](https://aws-oss.beachgeek.co.uk/3xv) is a new an open source command line tool to help developers deploy fast and secure frontends in the cloud. This project offers the convenience of a managed frontend hosting service while retaining full control over the hosting and deployment infrastructure to make it your own. The CLI simplifies AWS platform interaction for deploying static websites. It walks you through configuring a new repository, executing the deployment process, and provides the domain name upon completion. By following these steps, you effortlessly link your GitHub repository and deploy the necessary infrastructure, simplifying the deployment process. This enables you to focus on developing website content without dealing with the intricacies of infrastructure management. A few of my colleagues have tried this out and they are loving it. You can also find out more by reading the blog post, [Introducing CloudFront Hosting Toolkit](https://aws-oss.beachgeek.co.uk/3xw) where Achraf Souk, Corneliu Croitoru, and Cristian Graziano help you get started with a hands on guide to this project.
**terraform-aws-alternat**
[terraform-aws-alternat](https://aws-oss.beachgeek.co.uk/3xx) simplifies how you can deploy high availability implementation of AWS NAT instances, which may help you to reduce your AWS costs if you need to provide internet access within your VPC's. It is worth checking out the README which provides details and comparisons on using this approach vs NAT Gateways.
**cfn-changeset-viewer**
[cfn-changeset-viewer](https://aws-oss.beachgeek.co.uk/3xy) is a tool all developers who work with and use AWS CloudFormation will want to check out. cfn-changeset-viewer is a CLI that will view the changes calculated in a CloudFormation ChangeSet in a more human-friendly way, including rendering details from a nested change set. Diffs are displayed in a logical way, making it easy to see changes, additions and deletions. Checkout the doc for more details and an example.
**outtasync**
[outtasync](https://aws-oss.beachgeek.co.uk/3y0) helps users quickly identify the CloudFormation stacks that have gone out of sync with the state represented by their counterpart stack files. This can occur when someone updates a stack but fails to commit the latest stack file to the codebase. Alternatively, it may happen when a stack is updated on one deployment environment but not on others. Great documentation with examples and a video that provides everything you need to know.
**beta9**
[beta9](https://aws-oss.beachgeek.co.uk/3xu) is a self-hosted serverless framework that you can run in your AWS account. Think of AWS Lambda, but with GPUs and a Python-first developer experience. You can run workloads that instantly scale up to thousands of GPU containers running in parallel. The instances scale down automatically after each workload. You can also do things like deploy web endpoints, run task queues, and mount storage volumes for accessing large datasets. If you already have an EKS cluster, you can install Beta9 with a Helm chart. We think this would be a great way to save money on EC2 GPU resources while also getting a magical Python-first developer experience. If you have feedback or feature ideas, the maintainers would like to hear them.
**qgis-amazonlocationservice-plugin**
[qgis-amazonlocationservice-plugin](https://aws-oss.beachgeek.co.uk/3xp) is a new open source plugin from AWS Hero Yasunori Kirimoto that uses the functionality of Amazon Location Service for the Geographic Information System (GIS), a user friendly Open Source application licensed under the GNU General Public License. You can find out more by reading his post, [Amazon Location Service Plugin for QGIS released in OSS](https://aws-oss.beachgeek.co.uk/3xo)
### Demos, Samples, Solutions and Workshops
**amazon-bedrock-serverless-prompt-chaining**
[amazon-bedrock-serverless-prompt-chaining](https://aws-oss.beachgeek.co.uk/3xz) This repository provides examples of using AWS Step Functions and Amazon Bedrock to build complex, serverless, and highly scalable generative AI applications with prompt chaining. Prompt chaining is a technique for building complex generative AI applications and accomplishing complex tasks with large language models (LLMs). With prompt chaining, you construct a set of smaller subtasks as individual prompts. Together, these subtasks make up your overall complex task that you would like the LLM to complete for your application. To accomplish the overall task, your application feeds each subtask prompt to the LLM in a pre-defined order or according to a set of defined rules. There are lots of examples in the README, so check this out to find out more about prompt chaining, and how you can do it serverless stylii!
**how-high-is-my-salary-enclave-app**
[how-high-is-my-salary-enclave-app](https://aws-oss.beachgeek.co.uk/3y3) is a rather cool project from AWS Hero Richard Fan that provides a simple app showcases how to protect software supply chain security using GitHub Actions, SLSA, and AWS Nitro Enclaves.
### AWS and Community blog posts
Each week I spent a lot of time reading posts from across the AWS community on open source topics. In this section I share what personally caught my eye and interest, and I hope that many of you will also find them interesting.
**The best from around the Community**
Starting things off this week is AWS Hero Franck Pachot who shares how to provision YugabyteDB, an open-source PostgreSQL-compatible distributed SQL database, on Amazon EKS in a multi-region setup in [Distributed PostgreSQL with YugabyteDB Multi-Region Kubernetes / Istio / Amazon EKS](https://aws-oss.beachgeek.co.uk/3xn).
Any post that quotes Douglas Adams is always going to get my attention, so I enjoyed reading João Galego's latest post, [Running LangChain.js Applications on AWS Lambda](https://aws-oss.beachgeek.co.uk/3xr) where he shows you how to run LangChain.js apps that are powered by Amazon Bedrock on AWS Lambda, using function URLs and response streaming. No towels required (you will have to be an Adam's fan to understand that one I'm afraid. Staying with generative AI, we move onto DSPy, an open source framework for algorithmically optimising LM prompts and weights. Randy D has put together [Automatic LLM prompt optimization with DSPY](https://aws-oss.beachgeek.co.uk/3xs), and walks you through how to get started with is framework.
Cloud Native Operational Excellence (aka, CNOE, pronounced Kuh.no) is a joint effort among a number of organisations to share developer tooling, thoughts, and patterns to help organizations make informed technology choices and resolve common pain points. [Argo Workflows Controller Scalability Testing on Amazon EKS](https://aws-oss.beachgeek.co.uk/3xt) is the latest blog post from Andrew Lee and Vikram Sethi, they publish details on scalability experiments on running Argo Workflows executing Workflows via two different load patterns. Great read if you want to see how the impact as deployments scale - plenty of great data points and graphs.
Closing things this week is a post that is perfect if you are struggling with IAM permissions with your Amazon EKS workloads. AWS Community Builder Saifeddine Rajhi's latest post might be just the thing to help. Dive into [Easy AWS permissions for your EKS workloads: Pod Identity - An easy way to grant AWS access](https://aws-oss.beachgeek.co.uk/3xq) explores what EKS Pod Identity is, how it works, and why you should consider using it for your Kubernetes applications running on EKS.
**sustainability-scanner**
Featured in a previous issue of this newsletter ([#156](https://dev.to/aws/aws-open-source-newsletter-156-lim) [sustainability-scanner](https://aws-oss.beachgeek.co.uk/2si) is an open source tool designed to help customers create a more sustainable infrastructure on AWS by evaluating your infrastructure as code against a set of sustainability best practices and suggested improvements to apply to your code. Maurits de Groot and Jyri Seiger provide more info including how to get works, how to started in their, and how to incorporate this as part of your continuous integration/deployment processes in the post, [Build More Sustainable AWS Workloads with the Sustainability Scanner](https://aws-oss.beachgeek.co.uk/3xg).
**Other posts to check out**
* [Introducing Amazon EMR on EKS with Apache Flink: A scalable, reliable, and efficient data processing platform](https://aws-oss.beachgeek.co.uk/3xe) introduces the features of EMR on EKS with Apache Flink, discuss their benefits, and highlight how to get started
* [Create a fallback migration plan for your self-managed MySQL database to Amazon Aurora MySQL using native bi-directional binary log replication](https://aws-oss.beachgeek.co.uk/3xf) looks at how you can set up bi-directional replication between an on-premises MySQL instance and an Aurora MySQL instance [hands on]
* [Automate interval partitioning maintenance and monitoring in Amazon RDS for PostgreSQL and Amazon Aurora PostgreSQL – Part 2](https://aws-oss.beachgeek.co.uk/3xk) demonstrates how you can monitor and send alerts using PostgreSQL extensions like pg_cron, aws_lambda [hands on]
* [Benchmark Amazon RDS for PostgreSQL Single-AZ DB instance, Multi-AZ DB instance, and Multi-AZ DB Cluster deployments](https://aws-oss.beachgeek.co.uk/3xl) presents a qualitative performance comparison between RDS for PostgreSQL Single-AZ DB instance, Multi-AZ DB instance, and Amazon RDS Multi-AZ DB Cluster deployments
* [Best practices for AWS AppSync GraphQL APIs](https://aws-oss.beachgeek.co.uk/3xh) provides a guide to help you look at strategies that you should consider when building out your GraphQL API
* [How Freddie Mac used Amazon EKS to modernize their platform and migrate applications](https://aws-oss.beachgeek.co.uk/3xi) is a case study on how Freddie Mac built a platform on Amazon EKS that allowed them to migrate and modernise their apps at a faster pace
* [Securing HPC on AWS: implementing STIGs in AWS ParallelCluster](https://aws-oss.beachgeek.co.uk/3xj) walks you through the process of applying Security Technical Implementation Guides (STIGs, a set of standards maintained by the US government) to your ParallelCluster environment [hands on]
* [Unit testing Apache TinkerPop transactions: From TinkerGraph to Amazon Neptune](https://aws-oss.beachgeek.co.uk/3xm) shows how you can use TinkerGraph to unit test your transactional workloads, as well as how to use TinkerGraph in embedded mode [hands on]
* [Deploying Multiple Large Language Models with NVIDIA Triton Server and vLLM](https://aws-oss.beachgeek.co.uk/3y2) shows you how to deploy multiple Large Language Models with NVIDIA Triton Server and vLLM on Amazon EKS via the Data on EKS project [hands on]
### Quick updates
**Kubernetes**
Kubernetes version 1.30 introduced several new features and bug fixes, and AWS is excited to announce that you can now use Amazon EKS and Amazon EKS Distro to run Kubernetes version 1.30. Starting today, you can create new EKS clusters using v1.30 and upgrade your existing clusters to v1.30 using the Amazon EKS console, the eksctl command line interface, or through an infrastructure-as-code tool. Kubernetes version 1.30 includes stable support for pod scheduling readiness and minimum domains parameter for PodTopologySpread constraints. As a reminder, starting with Kubernetes version 1.30 or newer, any newly created managed node groups will automatically default to using AL2023 as the node operating system.
**Apache Kafka**
Amazon Managed Streaming for Apache Kafka (Amazon MSK) is a fully managed service for Apache Kafka and Kafka Connect that makes it easier for you to build and run applications that use Apache Kafka as a data store. Amazon MSK now supports Apache Kafka version 3.7 for new and existing clusters. Apache Kafka version 3.7 includes several bug fixes and new features that improve performance. Key improvements include latency improvements resulting from leader discovery optimizations during leadership changes, as well as log segment flush optimisation options. For more details and a complete list of improvements and bug fixes, see the Apache Kafka release notes for version 3.7.
In more news, Amazon MSK also now supports KRaft mode (Apache Kafka Raft) in Apache Kafka version 3.7. The Apache Kafka community developed KRaft to replace Apache ZooKeeper for metadata management in Apache Kafka clusters. In KRaft mode, cluster metadata is propagated within a group of Kafka controllers, which are part of the Kafka cluster, versus across ZooKeeper nodes. On Amazon MSK, like with ZooKeeper nodes, KRaft controllers are included at no additional cost to you, and require no additional setup or management. You can now create clusters in either KRaft mode or ZooKeeper mode on Apache Kafka version 3.7. In Kraft mode, you can add up to 60 brokers to host more partitions per-cluster, without requesting a limit increase, compared to the 30-broker quota on Zookeeper-based clusters. Support for Apache Kafka version 3.7 is offered in all AWS regions where Amazon MSK is available.
If you are interested in learning more about this, I suggest reading [Introducing support for Apache Kafka on Raft mode (KRaft) with Amazon MSK clusters](https://aws-oss.beachgeek.co.uk/3xd) where Kalyan Janak shares his excitement and walks you through some details around how KRaft mode helps over the ZooKeeper approach, the process of creating MSK clusters with KRaft mode, and thenhow to connect your application to MSK clusters with KRaft mode.
**Apache Livy**
Amazon EMR Serverless now supports endpoints for Apache Livy. Customers can now securely connect their Jupyter notebooks and manage Apache Spark workloads using Livy’s REST interface. With the Livy endpoints, setting up a connection is easy - just point your Livy client in your on-premises notebook running Sparkmagic kernels to the EMR Serverless endpoint URL. You can now interactively query, explore and visualise data, and run Spark workloads using Jupyter notebooks without having to manage clusters or servers. In addition, you can use the Livy REST APIs for use cases that need interactive code execution outside notebooks. This feature is generally available on EMR release versions 6.14 and later.
**MySQL**
Amazon Aurora MySQL 3.07 (with MySQL 8.0 compatibility) now supports MySQL 8.0.36. In addition to security enhancements and bug fixes in MySQL 8.0.36, Amazon Aurora MySQL 3.07 includes several fixes and general improvements. For more details, refer to the Aurora MySQL 3 and MySQL 8.0.36.
**PostgreSQL**
Amazon RDS for PostgreSQL 17 Beta 1 is now available in the Amazon RDS Database Preview Environment, allowing you to evaluate the pre-release of PostgreSQL 17 on Amazon RDS for PostgreSQL. You can deploy PostgreSQL 17 Beta 1 in the Amazon RDS Database Preview Environment that has the benefits of a fully managed database.
PostgreSQL 17 includes updates to vacuuming that reduces memory usage, improves time to finish vacuuming, and shows progress of vacuuming indexes. With PostgreSQL 17, you no longer need to drop logical replication slots when performing a major version upgrade. PostgreSQL 17 continues to build on the SQL/JSON standard, adding support for `JSON_TABLE` features that can convert JSON to a standard PostgreSQL table. The `MERGE` command now supports the `RETURNING` clause, letting you further work with modified rows. PostgreSQL 17 also includes general improvements to query performance and adds more flexibility to partition management with the ability to SPLIT/MERGE partitions.
**Take Note!** Amazon RDS Database Preview Environment database instances are retained for a maximum period of 60 days and are automatically deleted after the retention period.
**Babelfish for PostgreSQL**
AWS Database Migration Service (AWS DMS) now supports Babelfish for Aurora PostgreSQL as a source by enhancing its existing PostgreSQL endpoint to handle Babelfish data types. Babelfish is a feature of Amazon Aurora PostgreSQL-Compatible Edition that enables Aurora to understand commands from applications written for Microsoft SQL Server. AWS DMS supports both Full Load and Change Data Capture (CDC) migration modes for Babelfish. Full Load migration copies all of the data from the source database and CDC copies only the data that has changed since the last migration.
**.NET on AWS **
AWS Elastic Beanstalk is a service that provides the ability to deploy and manage applications in AWS without worrying about the infrastructure that runs those applications. AWS Elastic Beanstalk now supports .NET 8 on AL2023 Elastic Beanstalk environments. Elastic Beanstalk .NET 8 on AL2023 environments come with .NET 8.0 installed by default. See Release Notes for additional details. .NET 8 on AL2023 runtime adds security improvements, such as support for the SHA-3 hashing algorithm, along with other updates including enhanced dynamic profile-guided optimisation (PGO) that can lead to runtime performance improvements, and better garbage collection with the ability to adjust the memory limit on the fly. You can create Elastic Beanstalk environment(s) running .NET 8 on AL2023 using any of the Elastic Beanstalk interfaces such as Elastic Beanstalk Console, Elastic Beanstalk CLI, Elastic Beanstalk API, and AWS Toolkit for Visual Studio.
### Videos of the week
**Building projen-pipelines in public - Open Source Development in practice**
AWS Hero Johannes Koch, together with fellow AWS Hero Thorsten Höger and AWS Community Builder Raphael Manke, take a look at implementing projen pipelines, a new project that Thorsten and Johannes started recently, hat empowers developers to switch between different CI/CD systems easily.
{% youtube 5o2-aEo-h-k %}
**FOSS in Flux: Redis Relicensing and the Future of Open Source**
David Nalley from AWS chats with Dotan Horovits about all things open source, covering a number of topics including the recent license changes to Redis, what this means to its users, and a look at how we think of open source at AWS.
{% youtube WV0ESadKuVI %}
**The New Builders: Tom Callaway talks about Building OSS Culture at AWS**
My good friend Spot discusses building open source culture at AWS with Rachel Stephens of RedMonk. Learn more about AWS’ open source teams, how AWS thinks about both adopting and releasing open source projects, and some of the ways that they assess project and community health.
{% youtube m3F4nTtCQBE %}
### Events for your diary
If you are planning any events in 2024, either virtual, in person, or hybrid, get in touch as I would love to share details of your event with readers.
**BSides Exeter**
**July 27th, Exeter University, UK**
Looking forward to joining the community at [BSides Exeter](https://bsidesexeter.co.uk/) to talk about one of my favourite open source projects, Cedar. Check out the event page and if you are in the area, come along and learn about Cedar and more!
**Open Source Summit**
**September 16-18th, Vienna, Austria**
Come join my colleagues and myself at the AWS booth at the Open Source Summit Europe, which is being held in the wonderful city of Vienna. There will be a bunch of around, doing talks, open source technology demos, and just hanging out with the open source community. Be great to see some of you there.
**All Things Open**
**27-29th October, Raleigh, North Carolina**
I will be speaking at All Things Open this coming Autumn, on the topic of applying modern application techniques with your Apache Airflow environments. I am really looking forward to coming to one of my favourite tech conferences, with the amazing community that comes year in, year out. As always my colleagues will be manning the AWS booth, and I am sure we will have some cool stuff and SWAG to share with the community.
Check out and grab your ticket while they are still available at [2024.allthingsopen.org](https://2024.allthingsopen.org/)
**Cortex**
**Every other Thursday, next one 16th February**
The Cortex community call happens every two weeks on Thursday, alternating at 1200 UTC and 1700 UTC. You can check out the GitHub project for more details, go to the [Community Meetings](https://aws-oss.beachgeek.co.uk/2h5) section. The community calls keep a rolling doc of previous meetings, so you can catch up on the previous discussions. Check the [Cortex Community Meetings Notes](https://aws-oss.beachgeek.co.uk/2h6) for more info.
**OpenSearch**
**Every other Tuesday, 3pm GMT**
This regular meet-up is for anyone interested in OpenSearch & Open Distro. All skill levels are welcome and they cover and welcome talks on topics including: search, logging, log analytics, and data visualisation.
Sign up to the next session, [OpenSearch Community Meeting](https://aws-oss.beachgeek.co.uk/1az)
### Celebrating open source contributors
The articles and projects shared in this newsletter are only possible thanks to the many contributors in open source. I would like to shout out and thank those folks who really do power open source and enable us all to learn and build on top of what they have created.
So thank you to the following open source heroes: Franck Pachot, Andrew Lee, Vikram Sethi, Saifeddine Rajhi, Randy D, João Galego, Kinnar Kumar Sen, Alex Lines, Mengfei Wang, Jerry Zhang, Elkin Gonzalez, John Scott, Maurits de Groot, Jyri Seiger, Ariq Rahman, Ryan Yanchuleff, Rajdeep Saha, Anil Razdan, Mike Cochran, Pardeep Chahal, Alex Domijan, Rick Kidder, Scott Sizemore, Kevin Sutherland, Bhanu Ganesh Gudivada, Mansi Suratwala, Santhosh Kumar Adapa, Jeevan Shetty, Andrea Caldarone, Ken Hu, Richard Fan, Achraf Souk, Corneliu Croitoru, and Cristian Graziano.
**Feedback**
Please please please take 1 minute to [complete this short survey](https://www.pulse.aws/promotion/10NT4XZQ).
### Stay in touch with open source at AWS
Remember to check out the [Open Source homepage](https://aws.amazon.com/opensource/?opensource-all.sort-by=item.additionalFields.startDate&opensource-all.sort-order=asc) for more open source goodness.
One of the pieces of feedback I received in 2023 was to create a repo where all the projects featured in this newsletter are listed. Where I can hear you all ask? Well as you ask so nicely, you can meander over to[ newsletter-oss-projects](https://aws-oss.beachgeek.co.uk/3l8).
Made with ♥ from DevRel | 094459 |
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1,882,915 | Be water, my friend (my tao of software development) | Intro I don't know why this has been on my mind the last few weeks, but guess that means I... | 0 | 2024-06-10T09:52:10 | https://dev.to/wynandpieters/be-water-my-friend-my-tao-of-software-development-5jn | learning, productivity, coding, softwareengineering | ## Intro
I don't know why this has been on my mind the last few weeks, but guess that means I need to write something down...
I love Bruce Lee. I don't generally think of myself of someone who has "heroes", but if there is one person outside my father who has greatly inspired me and changed how I think about life, it would be Bruce Lee.
At first, as a little kid with silly hopes and crazy dreams, it was just all the cool fighting scenes in his movies that made want to be like him.
But as I grew older and I watched [Dragon: The Bruce Lee story](https://moviesanywhere.com/movie/dragon-the-bruce-lee-story?show=retailers), seeing how he lived life and his approach to martial arts and film, and then later buying and obsessing over [The Tao of Jeet Kun Do](https://www.amazon.com/Tao-Jeet-Kune-Do-Expanded/dp/0897502027), I started thinking about how to apply these elements and lessons to my own life.
(I also really loved [this interview from the Pierre Berton show](https://www.youtube.com/watch?v=uk1lzkH-e4U), and some of the things I reference will come from that.)
And of course, since this is a tech blog, I'll focus on how these apply to my career and my approach to building software and companies. And I trust there will be some wisdom or insight for everyone that reads it.
I'm also quite confident I'm not the first and won't be the last person to equate lessons from Lee into software, so I suggest scouring the interwebs for more insights.
Let's get into it.
## “Be water, my friend.”
This famous quote encapsulates Lee’s philosophy of adaptability and fluidity. In software development, this can translate to being flexible in problem-solving, adapting to new technologies, and continuously evolving your skills.
For me, this is the essence of what Agile really tries to achieve. When you cut out the methodologies, and look at the intent and principles. It means that if you have an idea that doesn't work, you try something else. It means that if you are going in the wrong direction, you change rather than stubbornly pushing forward.
Wrt our own adaptability around things like tools and languages and frameworks, the hill that I will probably die on is the "it depends" meme. While I surely have things I prefer, sometimes it's not sensible to blindly hold on to those when the entire industry is moving in a different direction. We must adapt and evolve and grow.
I feel this also nicely ties into the next one.
## “Absorb what is useful, discard what is not, add what is uniquely your own.”
Lee’s approach to martial arts involved taking the best elements from various styles and creating his own. In software development, this means learning from different programming paradigms and tools, discarding outdated practices, and innovating to develop your unique coding style and solutions.
There is no "right way" or "one solution", and there is no "best" editor or "one language or paradigm to rule them all". As much as people want to fan the flames of online wars, at the end of the day, there are pros and cons to everything.
So try new things, learn things, attempt hard things, and figure out what works best *for you* and the people around you.
And don't just copy-paste, whether someone else's code, or a persons behaviour and attitude and approach to life.
Yes, even now, as I talk about the lessons and inspiration of Bruce Lee, I don't try and "be" him or even "be like" him. I am looking at what he did well and absorbing the useful lessons to myself, discarding what is not applicable, and then adding what is uniquely my own.
## “Mistakes are always forgivable, if one has the courage to admit them.”
And I get this wrong sometimes. And you will too. But we shouldn't fear failure and mistakes. Having failed at something *does not make you a failure.* It just means you have not found the path to success _yet_.
This quote from Lee encourages a growth mindset and accountability. In software development, acknowledging errors and learning from them is essential for personal and professional growth. Finding a space where there is psychological safety for us to do this is extremely important.
## “Knowing is not enough, we must apply. Willing is not enough, we must do.”
This quote to me really emphasizes the importance of practical application and action. In your career, it’s not just about learning new programming languages or methodologies; it’s about applying that knowledge to create meaningful and functional software.
I've spoken about this in some of my previous posts, the idea of intentional learning and intentional practice. You don't become an expert by half-arsing it for 10 000 hours; you do it through deliberate practice, continuous feedback, and making adjustments.
It's not enough to watch 20 beginners tutorials and then think "yeah, I got this". Do something. Build something. Break something else, then figure out how to fix it. Be willing to try and fail until you try and succeed. Whether that's solving a hard problem, or building a new startup, or working for that promotion.
## “If you love life, don’t waste time, for time is what life is made up of.”
Time management and valuing your time are crucial. In software development, prioritizing tasks effectively, avoiding procrastination, and making the most of your working hours can lead to greater productivity and satisfaction.
Knowing how to spend time outside of work is just as important. Time is a finite resource, and we are using it regardless of what we are doing. There is a time for work, and a time for play, and a time for rest. Important to note though, there is a difference between intentional rest and just ... existing in space.
I long struggled (and still do to some extent) with the idea that I always need to be productive. Something I've learned over years is, rest is not unproductive, but doing nothing is. Intentional rest is doing something, and it is productive.
I've also spoken before on how this TED Talk by Laura Vanderkam on [How to gain control of your free time](https://www.youtube.com/watch?v=n3kNlFMXslo) changed my perception of time spent by changing my thinking:
> “Instead of saying “I don’t have time” try saying “it’s not a priority,” and see how that feels. Often, that’s a perfectly adequate explanation. I have time to iron my sheets, I just don’t want to. But other things are harder. Try it: “I’m not going to edit your résumé, sweetie, because it’s not a priority.” “I don’t go to the doctor because my health is not a priority.” If these phrases don’t sit well, that’s the point. Changing our language reminds us that time is a choice. If we don’t like how we’re spending an hour, we can choose differently.”
But back to software... think about how you spend your time on projects and what people you spend time with in your org. Think about what is really priority, and be agile and pragmatic and focus on how you best spend your time to accomplish the goals set. And please, make time to rest intentionally.
Speaking of goals...
## “A goal is not always meant to be reached, it often serves simply as something to aim at.”
I won't hammer on this one too much. People and companies often have lofty goals. Some startups set up to solve a hard problem, then fail. And this is where I feel the quote is important.
It reflects the importance of setting goals for direction rather than absolute achievements. In software development, setting ambitious goals can drive progress and innovation, even if they are not always fully attained.
Shoot for the stars, and even if you fall short, you might make it to the moon.
Okay, so let me leave you with one more.
## “Knowledge will give you power, but character respect."
Over time, a developer’s reputation is built not just on their technical skills but also on their character. Respect from peers, clients, and the community can lead to more opportunities and long-term success. Effective leaders in software development are those who combine deep technical knowledge with strong character traits like empathy, fairness, and integrity. Such leaders inspire and earn the respect of their teams.
Gaining expertise in specific programming languages, tools, and methodologies can give a developer significant leverage in their career, enabling them to handle challenging tasks and lead projects effectively. Knowledge empowers us to solve complex problems, innovate, and build efficient, high-quality software.
But while technical knowledge is essential, humility and the willingness to listen to others’ ideas and feedback are equally important. This balance helps in continuous improvement and gaining respect. Sharing knowledge with less experienced colleagues and helping them grow demonstrates character. It builds a culture of learning and respect within the team or organization.
It's not just you alone on this journey.
## Conclusion
I'm curious to hear who outside of the tech industry has had the greatest impact on you and how that has changed you approach to software? Let me know in the comments.
| wynandpieters |
1,882,985 | How to add function and filter on an array and lamda function. | <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> ... | 0 | 2024-06-10T09:51:59 | https://dev.to/ghulam_mujtaba_247/how-to-add-function-and-filter-on-an-array-and-lamda-function-ld9 | php, array, functionandfilter, lamdafunction |
```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
display: grid;
place-items: center;
font-family: sans-serif;
height: 100px;
margin: 20px;
}
</style>
</head>
<body>
<h1>You have read in dark mode </h1>
<?php
function filterBooksByAuthor($books, $author) {
$filteredBooks = array_filter($books, function($book) use ($author) {
return $book['author'] == $author;
});
return $filteredBooks;
}
$books = [
['name' => 'Web', 'author' => 'Philip K. Dick', 'purchaseUrl' => 'http://example.com'],
['name' => 'OOP', 'author' => 'Andy Weir', 'purchaseUrl' => 'http://example.com'],
['name' => 'Database', 'author' => 'Jeffery', 'purchaseUrl' => 'http://example.com']
];
$filteredBooks = filterBooksByAuthor($books, 'Andy Weir');
?>
<!-- Display filtered books -->
<ul>
<?php foreach ($filteredBooks as $book) : ?>
<li><?= $book['name']; ?> - by <?= $book['author'] ?></li>
<?php endforeach; ?>
</ul>
<?php
$sum = function($a, $b) {
return $a + $b;
};
echo "Result of lambda function: " . $sum(3, 4);
?>
</body>
</html>
```
| ghulam_mujtaba_247 |
1,882,983 | 🚨 Registration Closes Tonight! 🚨 | Registration for Eastern India's Largest Hackathon closes at 11:59:59 PM IST tonight! ⏰ 📌... | 0 | 2024-06-10T09:51:15 | https://dev.to/arup_matabber/registration-closes-tonight-3k4b | ## Registration for Eastern India's Largest Hackathon closes at 11:59:59 PM IST tonight! ⏰
📌 REGISTER NOW - https://lu.ma/0nruupo3?tk=4y8KSV
This is your last shot to show your skills in tech and snag incredible prizes! 🏆
## Why Join Hack4Bengal 3.0?
**Inclusive Participation:**
Open to all skill levels, with dedicated workshops for beginners.
**Team Building:**
Form teams of 2-4 members or join as a solo hacker and find your team on Discord.
**Comprehensive Support:**
Enjoy free participation, meals, beverages, and sleeping arrangements.
Real-world Challenges: Address pressing societal and environmental issues through technology.
Ditch the wait and pull the trigger!
@hack4bengal
 | arup_matabber | |
1,882,981 | Seamless Steel Pipes: Optimizing Efficiency in Energy Distribution Networks | Seamless Steel Pipes : your choice which will be best for Energy Distribution websites Energy blood... | 0 | 2024-06-10T09:48:21 | https://dev.to/sjjuuer_msejrkt_08b4afb3f/seamless-steel-pipes-optimizing-efficiency-in-energy-distribution-networks-50do | design |
Seamless Steel Pipes : your choice which will be best for Energy Distribution websites
Energy blood circulation organizations are crucial for delivering power that has been domiciles which can be dependable businesses, plus organizations. However, without efficient plus resources being safer these websites becomes inadequate, expensive, plus high-risk. That is where steel which is seamless are also available in : they are usually the Pipe Fitting top-notch, revolutionary, plus safer solution for optimizing energy blood circulation techniques, we will explore some very nice things that are great seamless steel pipelines, the actual ways they have been used, their quality plus company, plus their applications in a variety of businesses.
Options that come with Seamless Steel Pipes
Seamless steel pipelines have actually advantages that are many other styles of pipelines. To start with, they are typically made out of no welding because bones, producing them more powerful plus resistant to leakages plus breakage. The dearth which are possible of additionally means these are typically dramatically versatile plus easier to fold, which is essential to routing pipelines and thinner since areas which are often complex. These pipelines can also be really durable and can withstand force that was greater extreme circumstances, producing them perfect for used in underground because international applications, seamless steel pipelines are a lot more economical in the long run, simply because they need less fix plus possess a long lifespan than a great many other contents.
Innovation in Seamless Steel Pipes
Because technology continues to therefore evolve do the innovation in seamless steel pipelines. New ways that are manufacturing being developed to Alloy Steel Pipe pipelines which are generate furthermore stronger and a complete lot more resistant to corrosion plus utilize. Some pipelines need also coatings which are unique linings that countertop accumulation plus minmise friction. There are also steel that has been seamless that will have actually properties which can be really specific being really conductive to heated because electricity. Overall, these innovations try energy which was making internet sites many dependable, efficient, plus safer.
Safety plus Use of Seamless Steel Pipes
Protection is actually the concern that are top it may distribution that is actually energy. Seamless steel pipe and tube undoubtedly are a selection that was safer transporting gases plus fluids because they're perhaps not at risk of leakages because cracks. Their durability that has been higher moreover that they're going to withstand environments which are harsh deteriorating, these pipelines are actually an easy task to install plus operate, reducing the chance of specific mistake as being accidents. Whenever steel which was using are seamless, it is critical to follow all safeguards techniques plus make sure that they are properly maintained to prevent any issues that are feasible.
Using Seamless Steel Pipes
Seamless steel pipelines may be used in lots that has been wide of, gasoline plus oils pipelines, fluid blood supply strategies, plus power plant infrastructure. To work with these pipelines efficiently, it's important to get the size that is right level based on the criteria being specific the duty. It is also crucial that you begin considering aspects the environment being temperatures that are ecological plus force requirements. Whenever pipelines is established, you need to properly uphold them plus usually search for any circumstances which can be done. Overall, seamless steel pipelines certainly are a versatile plus dependable selection for energy blood circulation techniques.
Service plus Quality of Seamless Steel Pipes
When purchasing steel which was seamless, it is vital to opt for a professional company which will be well-known for delivering top-notch things plus customer support that was exceptional. An company which is great need a rigorous comprehension associated with the demands of the specific task, and that can work they are delivered on time inside expenses arrange and something to select top pipelines plus guarantee. They must also create assistance that are ongoing upkeep to make certain that their pipelines continue to operate effortlessly plus precisely.
Applications of Seamless Steel Pipes
Seamless steel pipelines are used in several businesses, like oils plus coal, power generation, construction, plus transportation. They truly are generally speaking useful for transporting gases, liquids, plus solids, and are also especially useful in environments to purchase greater pressures, extreme circumstances, because elements that are corrosive. In the coal plus oils company, seamless steel Pipe & Tube pipelines are acclimatized to transport crude natural oils, propane, plus refined items. These pipelines are acclimatized to transport vapor, fluid, along with other fluids in power generation. In construction plus transportation, they have been helpful for structural assistance plus foundation efforts.
Overall, seamless steel pipelines certainly are a extremely valuable plus versatile site for energy blood circulation web sites. An assortment comes by them of advantages over most elements, like durability, reliability, plus cost-effectiveness. Plus ongoing innovations plus advancements in technology, seamless steel pipelines products will likely remains the respected solution for optimizing energy blood supply techniques for quite some time as time goes by. | sjjuuer_msejrkt_08b4afb3f |
1,882,980 | Checkcup - Browserless Puppetter Project Build. | Checkcup Checkcup is a website monitoring tool that fetches the status of websites along... | 0 | 2024-06-10T09:48:16 | https://dev.to/priyanshuverma/checkcup-browserless-puppetter-project-build-1ga6 | webdev, javascript, beginners, programming | ## Checkcup
Checkcup is a website monitoring tool that fetches the status of websites along with screenshots and active status. It is built using Next.js for the frontend and Puppeteer with Browserless in the backend.
## Features
- Fetches website status including HTTP status code, response time, and active status.
- Captures screenshots of websites for visual verification.
- Supports monitoring multiple websites simultaneously.
## Demo
{% embed https://github.com/priyanshuverma-dev/quine-checkcup %}
## Live Preview
You can view a live preview of Checkcup [here](https://quine-checkcup.vercel.app/).
## Installation
1. Clone the repository:
```
git clone https://github.com/priyanshuverma-dev/quine-checkcup.git
```
2. Install dependencies:
```
cd checkcup
bun install
```
3. Configure environment variables:
Create a `.env` file in the root directory and provide the following variables:
```
DATABASE_URL=your_database_url
NEXT_PUBLIC_URL=server_url
```
Replace `your_database_url` with the URL of your MongoDB database.
Replace `server_url` with the URL of your server.
4. Install dependencies for the `server` directory:
```
cd server
bun install
```
5. Configure environment variables for the `server` directory:
Create a `.env` file in the `server` directory and provide the following variables:
```
BROWSERLESS_URL=browserless_url
```
Replace `browserless_url` with the URL of your Browserless instance.
## Usage
1. Start the server:
```
cd server
bun run dev
```
2. Generate Prisma client:
```
bunx prisma generate
```
3. Start the development server:
```
bun run dev
```
4. Open your browser and navigate to `http://localhost:3000`.
5. Enter the URLs of the websites you want to monitor and click on the "Check Status" button.
6. View the status, response time, and screenshot of each website.
## Deployment
To deploy Checkcup to production, follow these steps:
1. Build the Next.js app:
```
bun run build
```
2. Start the production server:
```
bun start
```
3. Visit the deployed URL to access Checkcup.
4. To deploy the server, follow the same steps as above in server directory.
## Technologies Used
- Next.js
- Puppeteer
- Browserless
## Contributing
Contributions are welcome! Please feel free to submit issues and pull requests.
## License
This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
| priyanshuverma |
1,882,969 | Hello Test | \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸... | 0 | 2024-06-10T09:36:38 | https://dev.to/devto101/hello-test-561h | ## \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 \x00 𝓪 𝓫 𝓬 𝓭 𝓮 𝓯 𝓰 𝓱 𝓲 𝓳 𝓴 𝓵 𝓶 𝓷 𝓸 𝓹 𝓺 𝓻 𝓼 𝓽 𝓾 𝓿 𝔀 𝔁 𝔂 𝔃 | devto101 | |
1,882,976 | What does it cost to develop an app like Telegram? | What is the cost of building a messaging app? If you are seeking a certain number, you have come to... | 0 | 2024-06-10T09:45:06 | https://dev.to/oliviaeve250/what-does-it-cost-to-develop-an-app-like-telegram-13ci | cost, socialmedia, appliketelegram | What is the cost of building a messaging app?
If you are seeking a certain number, you have come to the incorrect spot. Chat app development expenses might range from $20,000 to $500,000, or even more.
This article provides an outline of several significant elements that determine development costs. By the conclusion, you'll know how to calculate the cost of developing a messaging app and how to reduce it by up to four times.
Join if you want to learn how to create a messaging app like WhatsApp, Telegram, or Signal.
## Factors that Influence the Cost to Build a Messaging App
What factors influence how much it costs to design a messaging app, according to development companies? In truth, there are several crucial elements to consider.
### Design Complexity
The user interface is something with the power to make users fall in love with your app at first glance. When poorly designed, an app can turn into a disaster. That’s why companies dedicate hundreds of hours working on their applications' UX and UI design.
Design complexity is one of the elements that determine the overall cost of developing a messaging app. The more custom aspects you include, the more screens you need to develop, and the more original your logo and branding elements are, the more you'll pay.
At the same time, you can't afford to rely on a ready-made template and jeopardize the future of your app. [Hiring an app design company](https://bigohtech.com/hire-ui-ux-designer/) to work on your app's UX/UI design is a good starting point.
### Technical Complexity
Will you create a Minimum Viable Product (MVP) with a minimum amount of features? Or are you going for a full-fledged offering with advanced features like vanishing and encrypted messages?
Your response will have a direct impact on chat app development prices. The more features you wish to add, the more sophisticated your app's backend needs to be, and the higher the price you'll have to spend.
### Supported platforms
Are you planning to create an app for iOS or Android? Do you need to make a desktop version? Are you planning to create a hybrid or native app?
Depending on the responses, the cost of developing a messaging app could be several hundred thousand dollars more or less.
To reduce risks, businesses frequently begin with an app for a single platform - iOS or Android. After the first version is successful, they consider expanding to more platforms and devices. This way, you won't have to invest much in an idea that may or may not succeed.
### Development Vendor’s Location
Are you planning to engage an app development company in the United States, or are you contemplating a European vendor? Choosing the first choice may result in a price rise of up to five times. Developers in other regions, like as Europe, may charge a few times less. It does not imply that they are terrible. You only need to match your future project to the appropriate skill set.
## Cost as per the Features of Messaging Apps
Functionality is another cost-generating aspect. The more features you add, the more complex they are, and thus the higher the development cost. It is possible to release messaging software with a minimal set of functionalities. Let's go over some of the must-have features for a messaging app.
### Registration
Development time: 35 – 40 hours
Cost: $1,750 – $2,000
Here and below, the cost is calculated based on an average hourly rate of $50. The estimations are very rough and may vary based on numerous factors.
Registration is the initial stage in the user experience. Underestimating its significance is the worst thing you can do for your future applications. Today, the most popular methods for user registration are phone numbers, email addresses, and social media accounts.
To speed up the process, connect your app to the aforementioned social networking platforms using SDKs and APIs.
### Contacts integration
Development time: 40 hours
Cost: $2,000
When users join up for your application, they should be able to instantly import their contacts. Apps frequently sync contacts across the phone book and social media accounts. Consider allowing users to select the sources for synchronization.
### User profile
Development time: 20 hours
Cost: $1,000
A user profile provides information used to identify an individual. Messaging programs typically allow you to configure a phone number, username, photo, status, icon, and other settings. Users should also have the opportunity to update this information as needed.
### Messaging
Development time: 150 – 400+ hours
Cost: $7,500 – $12,500+
Messaging is the core feature of any chat application. This is a large feature that can be subdivided into smaller ones:
- Private chats – one-to-one conversations are a must-have functionality for users.
- Group chats – users will also expect to have the group chats functionality which will allow them to communicate with their contacts in a group discussion.
- Message status – this feature shows when the message is delivered and when the recipient reads it.
- Message search – users will be able to search their messaging history filtering the results with words and phrases.
- Voice messaging – love it or hate it, voice messages have become an essential feature of messaging applications. Users can use them on the go and when they can't type a message.
### Voice and video calls
Development time: 150 – 450 hours
Cost: $7,500 – $22,500
Voice calls are a common feature of messaging apps. They enable customers to save money on international phone calls and even circumvent local regulations and limits in certain parts of the world. You can also enable group voice and video calls to enhance the feature. It will help you differentiate your application from the competition.
### Push notifications
Development time: 50 – 70 hours
Cost: $2,500 – $3,500
A push notification appears on the user's screen whenever they receive a new message. Push notifications allow users to stay on top of what's going on in the app while also increasing user engagement. Some customers find notifications overly distracting and noisy, so make sure you give them the option to switch them on and off and customize them to their taste.
## Conclusion
As you can see, the subject of [**social media app development**](https://bigohtech.com/social-media-app-development/) cost is complex due to the several stages involved. Hiring professional app developers with relevant experience can make the work more easier and more cost-effective. This way, you won't have to travel through the woods by yourself. The vendor will demonstrate the quickest technique to reach your objectives and effectively present a solution that people will adore to the market. | oliviaeve250 |
1,882,975 | What does it cost to develop an app like Telegram? | What is the cost of building a messaging app? If you are seeking a certain number, you have come to... | 0 | 2024-06-10T09:45:05 | https://dev.to/oliviaeve250/what-does-it-cost-to-develop-an-app-like-telegram-4c75 | cost, socialmedia, appliketelegram | What is the cost of building a messaging app?
If you are seeking a certain number, you have come to the incorrect spot. Chat app development expenses might range from $20,000 to $500,000, or even more.
This article provides an outline of several significant elements that determine development costs. By the conclusion, you'll know how to calculate the cost of developing a messaging app and how to reduce it by up to four times.
Join if you want to learn how to create a messaging app like WhatsApp, Telegram, or Signal.
## Factors that Influence the Cost to Build a Messaging App
What factors influence how much it costs to design a messaging app, according to development companies? In truth, there are several crucial elements to consider.
### Design Complexity
The user interface is something with the power to make users fall in love with your app at first glance. When poorly designed, an app can turn into a disaster. That’s why companies dedicate hundreds of hours working on their applications' UX and UI design.
Design complexity is one of the elements that determine the overall cost of developing a messaging app. The more custom aspects you include, the more screens you need to develop, and the more original your logo and branding elements are, the more you'll pay.
At the same time, you can't afford to rely on a ready-made template and jeopardize the future of your app. [Hiring an app design company](https://bigohtech.com/hire-ui-ux-designer/) to work on your app's UX/UI design is a good starting point.
### Technical Complexity
Will you create a Minimum Viable Product (MVP) with a minimum amount of features? Or are you going for a full-fledged offering with advanced features like vanishing and encrypted messages?
Your response will have a direct impact on chat app development prices. The more features you wish to add, the more sophisticated your app's backend needs to be, and the higher the price you'll have to spend.
### Supported platforms
Are you planning to create an app for iOS or Android? Do you need to make a desktop version? Are you planning to create a hybrid or native app?
Depending on the responses, the cost of developing a messaging app could be several hundred thousand dollars more or less.
To reduce risks, businesses frequently begin with an app for a single platform - iOS or Android. After the first version is successful, they consider expanding to more platforms and devices. This way, you won't have to invest much in an idea that may or may not succeed.
### Development Vendor’s Location
Are you planning to engage an app development company in the United States, or are you contemplating a European vendor? Choosing the first choice may result in a price rise of up to five times. Developers in other regions, like as Europe, may charge a few times less. It does not imply that they are terrible. You only need to match your future project to the appropriate skill set.
## Cost as per the Features of Messaging Apps
Functionality is another cost-generating aspect. The more features you add, the more complex they are, and thus the higher the development cost. It is possible to release messaging software with a minimal set of functionalities. Let's go over some of the must-have features for a messaging app.
### Registration
Development time: 35 – 40 hours
Cost: $1,750 – $2,000
Here and below, the cost is calculated based on an average hourly rate of $50. The estimations are very rough and may vary based on numerous factors.
Registration is the initial stage in the user experience. Underestimating its significance is the worst thing you can do for your future applications. Today, the most popular methods for user registration are phone numbers, email addresses, and social media accounts.
To speed up the process, connect your app to the aforementioned social networking platforms using SDKs and APIs.
### Contacts integration
Development time: 40 hours
Cost: $2,000
When users join up for your application, they should be able to instantly import their contacts. Apps frequently sync contacts across the phone book and social media accounts. Consider allowing users to select the sources for synchronization.
### User profile
Development time: 20 hours
Cost: $1,000
A user profile provides information used to identify an individual. Messaging programs typically allow you to configure a phone number, username, photo, status, icon, and other settings. Users should also have the opportunity to update this information as needed.
### Messaging
Development time: 150 – 400+ hours
Cost: $7,500 – $12,500+
Messaging is the core feature of any chat application. This is a large feature that can be subdivided into smaller ones:
- Private chats – one-to-one conversations are a must-have functionality for users.
- Group chats – users will also expect to have the group chats functionality which will allow them to communicate with their contacts in a group discussion.
- Message status – this feature shows when the message is delivered and when the recipient reads it.
- Message search – users will be able to search their messaging history filtering the results with words and phrases.
- Voice messaging – love it or hate it, voice messages have become an essential feature of messaging applications. Users can use them on the go and when they can't type a message.
### Voice and video calls
Development time: 150 – 450 hours
Cost: $7,500 – $22,500
Voice calls are a common feature of messaging apps. They enable customers to save money on international phone calls and even circumvent local regulations and limits in certain parts of the world. You can also enable group voice and video calls to enhance the feature. It will help you differentiate your application from the competition.
### Push notifications
Development time: 50 – 70 hours
Cost: $2,500 – $3,500
A push notification appears on the user's screen whenever they receive a new message. Push notifications allow users to stay on top of what's going on in the app while also increasing user engagement. Some customers find notifications overly distracting and noisy, so make sure you give them the option to switch them on and off and customize them to their taste.
## Conclusion
As you can see, the subject of [**social media app development**](https://bigohtech.com/social-media-app-development/) cost is complex due to the several stages involved. Hiring professional app developers with relevant experience can make the work more easier and more cost-effective. This way, you won't have to travel through the woods by yourself. The vendor will demonstrate the quickest technique to reach your objectives and effectively present a solution that people will adore to the market. | oliviaeve250 |
1,882,960 | K8Studio CloudMaps: Using Maps to master Kubernetes observability | Monitoring Kubernetes today is a complex task. Even with carefully chosen tools, we often face an... | 0 | 2024-06-10T09:44:46 | https://dev.to/guiqui/k8studio-cloudmaps-using-maps-to-master-kubernetes-observability-lhp | kubernetes, datascience, cloud, cloudnative |
Monitoring Kubernetes today is a complex task. Even with carefully chosen tools, we often face an overwhelming array of dashboards brimming with countless charts, necessitating multiple monitors.
This information overload makes it challenging to pinpoint what truly matters. Critical information gets buried under a sea of metrics, hindering our ability to quickly understand what is going on and make appropriate decisions. As Kubernetes clusters grow, the complexity increases exponentially, making observability even more crucial. So, what do we do to keep track without losing our minds? Please don’t say another dashboard!!!
At [K8Studio](https://k8studio.io) we think that the way to tackle this problem is through effective data visualization. We need a data visualization that provides a summarized view of our cluster’s status, giving us context and revealing relationships between events and objects within the cluster. It should also allow us to drill down into details when necessary. An intuitive visualization that quickly communicates high volumes of data directly to our brains is essential.
At [K8Studio](https://k8studio.io), we believe the way to tackle this problem is with state-of-the-art data visualization. This visualization needs to have the following properties:
Provide a holistic view of our cluster.
Describe the cluster structure and the relationships between the different parts.
Surface relevant information and minimize noise.
Enable us to easily navigate to different levels of detail and back, while maintaining the context of the navigation.
Excel in communicating high volumes of data intuitively and effortlessly.
You may wonder what this magical visualization is. And the answer, like all good things in life, is pretty simple and straightforward: **MAPS**!
Since ancient times, humans have used maps to represent complex worlds. Over time, we have adapted to consume maps efficiently, which is why most of us can understand a map without needing any explanation. Maps have the unique ability to show relationships and interactions between different objects, giving us the big picture while allowing us to drill down into details without losing focus. Combined with heatmaps, they enable us to surface the relevant information effectively.
At K8Studio, we have tried to adapt the concepts of maps to cloud computing, and more specifically to the management of Kubernetes Clusters. That is why we have introduced a new concept called CloudMaps in our latest release of K8Studio.
The primary function of **CloudMaps** is to represent your cluster as a map using color coding and heatmaps, providing a clear view of the status of different objects. It organizes objects by namespace and shows the network relationships between them, allowing you to understand who is connecting to whom. Additionally, CloudMaps features robust zoom capabilities with a minimap to enable detailed drill-downs when needed without losing focus of the whole. Cloud Maps combine the power of intuitive mapping with the precision needed for Kubernetes observability, helping us master the complexity of our clusters with ease.
This is how Cloud Maps look. When zoomed out, we can see the composition of our cluster and the workloads in different namespaces organized by application name. We can observe the number of pods and the status of both workloads and pods. The map also displays the relationships between objects, such as service-to-workload and workload-to-PVC connections. Workloads are marked with application icons to provide us with more information about the deployed images. All of this offers us a holistic view of the cluster. In this example, we can clearly see all the workloads with issues highlighted in yellow. Even someone unfamiliar with the cluster can grasp its composition and status within three seconds.
Once we have the big picture, we can zoom in on the map to see more detailed information about a specific part of the cluster that interests us. For instance, in this example, we can zoom in and see a Redis deployment with six unscheduled pods. We also see two services and their ports accessing the pods, and six PVCs, each bound at 8Gi. Just by zooming in, we gain more in-depth information, similar to how we would use a physical map to explore an area in greater detail. For example, at this zoom level, we can see the ports and target ports of the services, the size of the PVC, and their status.
Zoom in with relation links between objects
To obtain more information about any object, we can simply click on the object to select it. A right-hand panel will appear, displaying additional details about the selected object.
In this panel, you can view even more detailed information. As the pictures below show, this panel includes different sections:
The Quick Editor: Showing the basic information and status.
YAML Editor: Providing access to the full YAML configuration.
The Timeline: Combining status and events ordered by time.
Metrics: Showing relevant metrics of the selected object, including CPU, memory with request and limit, network, and I/O operations.
This panel enables us to gather extensive information, empowering us to detect issues and take the appropriate actions. Moreover, when the selected object is a pod, we can seamlessly establish an SSH connection or access the specific container logs via our integrated terminal.
To conclude, we’ve incorporated nodes into the map, providing insight into their status, CPU, and memory utilization, along with details on the pods they host and the capacity for additional pods. An intriguing feature is that when selecting a pod, it will also be highlighted within the workload objects, facilitating a clear understanding of pod distribution and placement within the cluster. This comprehensive view enables seamless navigation and informed decision-making within the cluster environment.
The application can be downloaded at [K8studio](https://k8studio.io) or on our [GitHub Page](https://github.com/guiqui/k8Studio/releases)
BTW If you like what we are building give us a star on [Github](https://github.com/guiqui/k8Studio. The team and I would be extremely grateful. | guiqui |
1,882,974 | How to list all available tables in PostgreSQL? | Checking the list of database tables is a common task that might be performed multiple times daily,... | 0 | 2024-06-10T09:43:20 | https://dev.to/dbajamey/how-to-list-all-available-tables-in-postgresql-38l7 | postgres, database, tutorial | Checking the list of database tables is a common task that might be performed multiple times daily, and major database management systems provide built-in methods for this purpose.
PostgreSQL offers several methods that will illustrate using the SQL Shell (psql) command-line tool and dbForge Studio for PostgreSQL, an advanced PostgreSQL IDE that covers all aspects of database management.
#Different ways to list tables in PostgreSQL#
Continue reading to learn about:
* How to connect to a PostgreSQL database using psql
* How to list all tables using psql
* How to obtain detailed information about tables
* How to list tables using the pg_catalog schema
* How to view and manage tables in PostgreSQL GUI tools
https://www.devart.com/dbforge/postgresql/studio/postgres-list-all-tables.html | dbajamey |
1,882,968 | Empower Your Network with SmartSQ | With SmartSQ you will get: Auto Geo-coding Line of Sight Checks Integrated Feasibility Capacity... | 0 | 2024-06-10T09:35:32 | https://dev.to/leptonsoftware/empower-your-network-with-smartsq-511b | With SmartSQ you will get:
- Auto Geo-coding
- Line of Sight Checks
- Integrated Feasibility
- Capacity Check
- Comprehensive Analytics & Reports
From Lead Generation to Revenue Generation – Seamlessly
Explore Various Feasibility Categories:
[FTTx Feasibility
](https://leptonsoftware.com/smartsq/)Enterprise Wireline Feasibility
Enterprise Wireless Feasibility
On-the-spot/Ultrafast Feasibility
Integrated Feasibility
Want to Learn More? Connect with Us!
| leptonsoftware | |
1,882,973 | The Developer's Guide to Database Proxies | Database Proxies can enhance performance and security in complex, high-traffic distributed systems built with Microservices. | 0 | 2024-06-10T09:42:23 | https://dev.to/plutov/the-developers-guide-to-database-proxies-ak0 | database, distributedsystems, microservices | ---
title: The Developer's Guide to Database Proxies
published: true
description: Database Proxies can enhance performance and security in complex, high-traffic distributed systems built with Microservices.
tags: Databases, DistributedSystems, Microservices
cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/s23l89hyi11axx8awakv.jpg
---
[Read full article on packagemain.tech](https://packagemain.tech/p/the-developers-guide-to-database)
| plutov |
1,862,573 | Google's AI-Powered Cloud IDE Project IDX Goes Open Beta! | Introduction At the 2024 Google I/O developer conference, Google unveiled an exciting new... | 0 | 2024-06-10T09:39:50 | https://blog.devarshi.dev/google-project-idx-cloud-ide-open-beta | webdev, news, idx, cloud | ## Introduction
At the **2024 Google I/O developer conference**, Google unveiled an exciting new tool for developers—Project IDX. Now in open beta, Project IDX is set to revolutionise the way we approach web and mobile app development.
With its AI-powered features and seamless cloud integration, this web-based integrated development environment (IDE) promises to simplify and enhance the development workflow.
## What is Project IDX?
Project IDX is a next-generation, web-based IDE that aims to streamline the development process. Built on the popular Code OSS project and leveraging the robust infrastructure of Google Cloud, Project IDX offers a fully configurable virtual machine (VM) environment right in your browser.
For more details and to join the open beta, visit the [Project IDX website](https://idx.google.com).
This setup ensures reliability, safety, and complete configurability, making it an ideal choice for developers of all levels.
## Making the Most of Project IDX
- **Get Started Quickly**
Start new projects or import existing ones from GitHub effortlessly. Use pre-configured templates and choose from popular frameworks and languages like JavaScript, Dart, and soon Python and Go.
- **Leverage IDX AI for Enhanced Coding**
Utilize IDX AI for intelligent code completion, translations, and explanations of complex snippets, boosting coding speed and quality.
- **Utilize Built-In Emulators for Mobile Development**
Test your mobile apps with built-in Android emulators and iOS simulators, previewing changes in real-time within Project IDX.
- **Seamless Deployment with Firebase Hosting**
Deploy web and Flutter projects directly to Firebase Hosting with a few clicks, ensuring fast, secure, and global hosting.
- **Collaborate with Ease**
Use the experimental collaborative workspace sharing to invite team members, enabling real-time collaboration on code, terminals, emulators, and more.
## Conclusion
Google's Project IDX is set to transform the development landscape with its innovative, AI-powered, and cloud-based IDE. Now in open beta, it's the perfect time to explore its capabilities and integrate it into your development workflow.
Thank you for reading! If you found this blog post helpful, please consider sharing it with others who might benefit. Feel free to check out my other blog posts and visit my socials!
- [Profile](https://bio.link/devarshishimpi)
- [Linkedin](https://linkedin.com/in/devarshi-shimpi)
- [Twitter](https://twitter.com/devarshishimpi)
- [Youtube](https://youtube.com/@devarshishimpi)
- [Hashnode](https://devarshishimpi.hashnode.dev)
- [DEV](https://dev.to/devarshishimpi)
### Read more
- [How Fast Is Bun.sh in 2024 After All?](https://blog.devarshi.dev/how-fast-is-bunsh-after-all)
- [How to Install and Set Up a Ghost Blog on AWS Lightsail](https://blog.devarshi.dev/how-to-install-and-setup-a-ghost-blog-on-aws-lightsail)
- [Deploy MinIO on Amazon EKS and use your S3 Compatible Storage](https://blog.devarshi.dev/deploy-minio-on-amazon-eks-self-host-s3-storage) | devarshishimpi |
1,882,972 | I am a Blockchain Developer and Full stack Developer. | I a seasoned Blockchain and Full Stack Developer with over 7 years of experience in designing,... | 0 | 2024-06-10T09:39:48 | https://dev.to/dev51312117411/i-am-a-blockchain-developer-and-full-stack-developer-14o4 | react, css, node, blockchain | I a seasoned Blockchain and Full Stack Developer with over 7 years of experience in designing, developing, and implementing cutting-edge blockchain solutions and full-stack applications. My passion for technology and innovation drives me to continuously explore new possibilities and deliver exceptional results in every project I undertake. With a strong foundation in computer science and extensive hands-on experience, I excel in creating robust, scalable, and secure applications that meet the evolving needs of the digital age. | dev51312117411 |
1,882,971 | Aluminum Pipes: Meeting Demands in Marine and Offshore Engineering | Aluminum Pipes: the clear answer that is Marine which are ideal plus Engineering... | 0 | 2024-06-10T09:38:37 | https://dev.to/sjjuuer_msejrkt_08b4afb3f/aluminum-pipes-meeting-demands-in-marine-and-offshore-engineering-3gk3 | design |
Aluminum Pipes: the clear answer that is Marine which are ideal plus Engineering needs
Introduction:
Aluminum pipelines went to an technique which is easy was extended regards to innovation, quality, plus safeguards. They offer several importance over traditional steel pipelines, producing them a remedy which are great marine plus overseas engineering requires, we are going to discuss the options that come with using aluminum pipelines, their application in several businesses, using them, as well as the solution that will be most appropriate to anticipate.
Top features of Creating Use Of Aluminum Pipes:
Aluminum pipelines was lightweight plus easy to deal with, producing them perfect for the maritime plus environment that was body that is human are international plus region is important factors. Furthermore, they have been resistant to corrosion, which is a problem which decide to try larger salty surroundings that are aquatic steel which was standard is inclined to rust. Aluminum pipelines provide the lengthier lifespan than traditional Alloy Steel Pipe pipelines, therefore you can economize in to the term that are very very long. They are additionally an task which is install that is simple producing the installation procedure more standard, and they are eco-friendly, which is really a bonus.
Innovation:
Innovation has changed into a game-changer that has been massive the aluminum pipeline areas. Using tools that are modern led to the development of better aluminum alloys pipe and tube which are often specially made for aquatic plus environments being offshore. These alloys want energy that is best, close weakness opposition, plus increasing corrosion opposition compared to mainstream aluminum alloys.
Protection:
Security can be a concern that has been top it comes down down seriously to marine plus overseas engineering. Aluminum pipelines has greater ratios being strength-to-weight this implies they can withstand concerns that are greater Pipe Fitting shocks, plus vibrations. There is also energy that is best plus tiredness that will be good, this implies they can withstand the circumstances which are harsh the ocean. Additionally, they've been non-combustible, creating them the safer solution in case of the fire.
Use:
Aluminum pipelines can be used in many applications, like marine plus offshore engineering, shipbuilding, plus oils that are natural has been gas which was offshore. They are furthermore found in the transport company, where they lessen gas carbon plus usage emissions. Furthermore, they have been perfect for used in lightweight structures, recreations aircraft plus gear.
How to Utilize Aluminum Pipes:
Using aluminum pipelines decide to try quite simple. The gear should be have by your which is often most useful including the saw, the drill, and the file. You have to make certain that your pipelines was cut to the required size plus that the cut had been appropriate. Then you definitely're capable enroll the edges that are general make them smooth and together fit the pipelines. The joint might be fully guaranteed employing a screw or even a bolt.
Service plus Quality:
In relation to solution plus quality, it is crucial to select the ongoing company out that are dependable. The company that are good present goods which was top-notch meet areas directions. They should client that is furthermore providing are excellent, like tech help team, product classes, plus company that was after-sales. It is also essential to be sure that the company you choose has warranties regarding the products.
Aluminum pipelines products is an solution that is great those in marine plus offshore engineering specifications. They supply the value which are few traditional steel pipelines, like lightweight, corrosion-resistant, a lot longer lifespan, plus installation which will be easy. Additionally, they've been safer, revolutionary, plus high-performing. Utilizing aluminum pipelines is simple, along with a company which are dependable incorporate Galvanized Products that are top-quality customer care which will be great. | sjjuuer_msejrkt_08b4afb3f |
1,882,967 | How Threads and Concurrency Work in Linux Systems | Understanding Threads and Concurrency in Linux Concurrency is a fundamental aspect of... | 0 | 2024-06-10T09:34:27 | https://dev.to/iaadidev/how-threads-and-concurrency-work-in-linux-systems-233c | threads, concurrency, linux, devops | ## Understanding Threads and Concurrency in Linux
Concurrency is a fundamental aspect of modern computing, enabling programs to handle multiple tasks simultaneously. In the context of Linux, understanding threads and concurrency is crucial for developing efficient, responsive, and scalable applications. This blog aims to provide an in-depth exploration of threads, concurrency, and how they are managed in Linux, complemented with relevant code snippets.
## What is Concurrency?
Concurrency refers to the execution of multiple instruction sequences at the same time. It allows a system to manage multiple tasks by keeping track of their states and switching between them. Concurrency can be achieved through various means, such as multi-threading, multi-processing, and asynchronous programming.
## Threads vs. Processes
Before diving into threads, it's important to distinguish between threads and processes:
- **Process**: A process is an independent program in execution, with its own memory space. It is the basic unit of execution in a Unix-based operating system.
- **Thread**: A thread, often called a lightweight process, is the smallest unit of execution within a process. Threads within the same process share the same memory space but can execute independently.
### Benefits of Using Threads
- **Resource Sharing**: Threads share the same memory space, allowing for efficient communication and data sharing.
- **Responsiveness**: Threads enable applications to remain responsive by performing background tasks concurrently.
- **Parallelism**: On multi-core processors, threads can run in parallel, significantly improving performance.
## Creating and Managing Threads in Linux
In Linux, threads are managed using the POSIX threads (pthreads) library. The pthreads library provides a set of APIs to create and manage threads. Let's explore some of these APIs with code snippets.
### Creating Threads
To create a thread, you can use the `pthread_create` function. Here's an example:
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
void* thread_function(void* arg) {
printf("Thread ID: %lu\n", pthread_self());
return NULL;
}
int main() {
pthread_t thread;
int result;
result = pthread_create(&thread, NULL, thread_function, NULL);
if (result != 0) {
perror("pthread_create");
exit(EXIT_FAILURE);
}
pthread_join(thread, NULL);
return 0;
}
```
In this example, a new thread is created using `pthread_create`, and the `thread_function` is executed in the new thread. The `pthread_join` function is used to wait for the thread to complete.
### Synchronization
When multiple threads access shared resources, synchronization is crucial to avoid data races and ensure consistency. The pthreads library provides several synchronization mechanisms, including mutexes and condition variables.
#### Using Mutexes
A mutex (mutual exclusion) is a synchronization primitive used to protect shared resources. Here's an example:
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
pthread_mutex_t mutex;
int shared_resource = 0;
void* thread_function(void* arg) {
pthread_mutex_lock(&mutex);
shared_resource++;
printf("Thread ID: %lu, Shared Resource: %d\n", pthread_self(), shared_resource);
pthread_mutex_unlock(&mutex);
return NULL;
}
int main() {
pthread_t threads[5];
pthread_mutex_init(&mutex, NULL);
for (int i = 0; i < 5; i++) {
pthread_create(&threads[i], NULL, thread_function, NULL);
}
for (int i = 0; i < 5; i++) {
pthread_join(threads[i], NULL);
}
pthread_mutex_destroy(&mutex);
return 0;
}
```
In this example, a mutex is used to ensure that only one thread at a time can modify the `shared_resource`.
#### Using Condition Variables
Condition variables allow threads to wait for certain conditions to be met. Here's an example:
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
pthread_mutex_t mutex;
pthread_cond_t cond;
int ready = 0;
void* thread_function(void* arg) {
pthread_mutex_lock(&mutex);
while (!ready) {
pthread_cond_wait(&cond, &mutex);
}
printf("Thread ID: %lu, Ready: %d\n", pthread_self(), ready);
pthread_mutex_unlock(&mutex);
return NULL;
}
int main() {
pthread_t thread;
pthread_mutex_init(&mutex, NULL);
pthread_cond_init(&cond, NULL);
pthread_create(&thread, NULL, thread_function, NULL);
sleep(1); // Simulate some work
pthread_mutex_lock(&mutex);
ready = 1;
pthread_cond_signal(&cond);
pthread_mutex_unlock(&mutex);
pthread_join(thread, NULL);
pthread_mutex_destroy(&mutex);
pthread_cond_destroy(&cond);
return 0;
}
```
In this example, the thread waits for the `ready` condition to be set before proceeding.
## Advanced Thread Management
### Thread Attributes
Thread attributes can be set using the `pthread_attr_t` structure. For example, you can set the stack size or specify whether the thread should be joinable or detached.
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
void* thread_function(void* arg) {
printf("Thread ID: %lu\n", pthread_self());
return NULL;
}
int main() {
pthread_t thread;
pthread_attr_t attr;
int result;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
result = pthread_create(&thread, &attr, thread_function, NULL);
if (result != 0) {
perror("pthread_create");
exit(EXIT_FAILURE);
}
pthread_attr_destroy(&attr);
// No need to join the thread as it's detached
sleep(1); // Give detached thread time to finish
return 0;
}
```
### Thread Cancellation
Threads can be canceled using the `pthread_cancel` function. This is useful for stopping a thread that is no longer needed.
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
void* thread_function(void* arg) {
while (1) {
printf("Thread ID: %lu\n", pthread_self());
sleep(1);
}
return NULL;
}
int main() {
pthread_t thread;
int result;
result = pthread_create(&thread, NULL, thread_function, NULL);
if (result != 0) {
perror("pthread_create");
exit(EXIT_FAILURE);
}
sleep(3); // Let the thread run for a while
pthread_cancel(thread);
pthread_join(thread, NULL); // Clean up the canceled thread
return 0;
}
```
### Thread-Specific Data
The pthreads library allows you to define thread-specific data using `pthread_key_t`. This is useful for maintaining data that is unique to each thread.
```c
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
pthread_key_t key;
void destructor(void* arg) {
free(arg);
printf("Thread-specific data freed\n");
}
void* thread_function(void* arg) {
int* thread_data = malloc(sizeof(int));
*thread_data = pthread_self();
pthread_setspecific(key, thread_data);
printf("Thread ID: %lu, Thread-specific data: %d\n", pthread_self(), *thread_data);
return NULL;
}
int main() {
pthread_t thread;
pthread_key_create(&key, destructor);
pthread_create(&thread, NULL, thread_function, NULL);
pthread_join(thread, NULL);
pthread_key_delete(key);
return 0;
}
```
## Performance Considerations
While threads provide numerous benefits, they also come with challenges and performance considerations:
- **Context Switching**: Frequent context switching between threads can degrade performance. Reducing the number of context switches is crucial for efficient concurrency.
- **Synchronization Overhead**: Using synchronization mechanisms like mutexes and condition variables introduces overhead. Minimizing synchronization is important for maximizing performance.
- **Scalability**: As the number of threads increases, the overhead of managing them also increases. Properly designing the threading model is essential for scalability.
## Best Practices
To effectively use threads and achieve efficient concurrency in Linux, consider the following best practices:
1. **Minimize Lock Contention**: Use fine-grained locking or lock-free data structures to reduce contention.
2. **Use Thread Pools**: Instead of creating and destroying threads frequently, use thread pools to reuse threads.
3. **Avoid Blocking Operations**: Use non-blocking I/O and algorithms to keep threads active and avoid idle time.
4. **Leverage Multi-Core Processors**: Design your application to take advantage of multiple cores by distributing work evenly among threads.
5. **Profile and Optimize**: Continuously profile your application to identify bottlenecks and optimize thread usage.
## Conclusion
Threads and concurrency are powerful tools for developing responsive and high-performance applications in Linux. By understanding the principles of threading and using the pthreads library effectively, you can harness the full potential of modern multi-core processors. Proper synchronization, efficient thread management, and adherence to best practices are key to achieving optimal concurrency in your applications.
| iaadidev |
1,882,966 | Revolutionizing User Interaction: The Rise of Conversational UIs | In the ever-evolving landscape of technology, the way we interact with digital interfaces is... | 0 | 2024-06-10T09:33:17 | https://dev.to/apssouza22/revolutionizing-user-interaction-the-rise-of-conversational-uis-3kbc | chatgpt, llm, ui, rag | In the ever-evolving landscape of technology, the way we interact with digital interfaces is undergoing a transformative shift. Gone are the days of navigating through cumbersome menus, clicking multiple times, and dragging items across the screen to accomplish a task. The future is here, and it's conversational. Conversational User Interfaces (UIs) are set to change the game by making interactions with digital systems more natural, intuitive, and efficient. [Check out a short video demo](https://www.youtube.com/watch?v=S_-6Oi1Zq1o&t=10s) and [you can try it out here](https://apps.newaisolutions.com/)
## The Engine Behind Conversational UIs
At the heart of this revolutionary shift is a sophisticated engine designed to understand user intent from natural language inputs. When a user specifies what they want from the system, this engine deciphers the intent behind the given input and identifies the appropriate instructions to handle it. But how does it accomplish such a feat?
The secret sauce is the integration of Retrieval-Augmented Generation (RAG) with semantic searching, alongside the capabilities of Large Language Models (LLMs). The system leverages these technologies to not only understand the user's request but also to reason about the best way to fulfill it. Upon receiving the user's input, the engine asks the LLM to consider the retrieved documentation from the system and user input together. The LLM then responds with a structured JSON output, which includes code that can dynamically convert the structured response into a user interface complete with callbacks for submission. This process represents a leap forward in making digital interactions more human-like and less constrained by traditional UI paradigms.
## Transforming Digital Navigation
Imagine wanting to input your personal information into a program. Instead of the traditional approach—navigating through a series of menus to find the right form—you simply state what information you intend to input. Instantly, the system provides you with a form pre-populated with your data, requiring only your confirmation. This scenario encapsulates the essence of conversational UIs. They promise to make our interaction with websites and applications more like having a conversation with a human assistant, where the system understands your needs from your natural language instructions.
<img src="https://media.licdn.com/dms/image/D4E12AQF23OKHXpPMuw/article-inline_image-shrink_1000_1488/0/1708289112185?e=1723680000&v=beta&t=xto4R193r0ykD-Yaub7UXV5aSoKjsBS9CVHXSmJOD9c" />
_Adding a new address to an account_
## Leveraging RAG and Semantic Searching
The integration of RAG with semantic searching and LLM APIs is pivotal in providing these smart solutions. RAG helps the system to pull relevant information from a vast database, while semantic searching ensures that the engine comprehends the user's intent accurately. Together, they allow the system to generate responses that are not just relevant but also contextually appropriate, paving the way for a more intelligent and responsive conversational UI.
<img src="https://media.licdn.com/dms/image/D4E12AQHblOzEbKQUpA/article-inline_image-shrink_1500_2232/0/1709115407993?e=1723680000&v=beta&t=mZE1VkcrwGhZme15ecVnR09ZDjYDirFJjURZn_ymZPg" />
## A Practical Example: An Open Source Rich Conversational UI
To bring this concept to life, consider checking out my open-source project that exemplifies the power of rich conversational UIs. This project demonstrates how users can perform multiple tasks and display data in various formats simply through writing. Whether it's booking an appointment, filling out a survey, or querying a database, the system understands the user's request and provides the appropriate UI elements to complete the task efficiently.
This open-source example serves as a practical demonstration of how conversational UIs can transform user interaction across various domains, from customer service and e-commerce to personal assistants and beyond. By enabling a more natural way of interacting with digital systems, conversational UIs not only enhance user experience but also make technology accessible to a broader audience.
## Conclusion
Conversational UIs represent a significant leap forward in the quest for more natural and intuitive user interfaces. By understanding user intent and dynamically generating appropriate UI elements, these systems promise to make our interaction with technology more like a conversation and less like a chore. | apssouza22 |
1,882,965 | Galvanized Pipes: Enhancing Aesthetics and Protection in Architectural Designs | Galvanized Pipes: Enhancing Looks plus Protection in Architectural Designs Galvanized pipes are an... | 0 | 2024-06-10T09:33:11 | https://dev.to/carrie_richardsoe_870d97c/galvanized-pipes-enhancing-aesthetics-and-protection-in-architectural-designs-2oj8 | design | Galvanized Pipes: Enhancing Looks plus Protection in Architectural Designs
Galvanized pipes are an alternative that are popular architects plus designers for quite a while. These pipelines is made of steel plus are generally included in having the layer of zinc, creating them resistant to corrosion plus rust, we will explore the options that come with galvanized pipelines plus just how they promote appearance plus security in architectural designs.
Great things about Galvanized Pipes
Galvanized pipes or Carbon Steel Pipe & Tube have actually many value which can make them ideal for architectural designs. The advantage that was first their opposition to rust plus corrosion. This may create pipelines which are galvanized suited to outdoors applications where they truly are met with dampness plus climate that are harsh, galvanized pipelines has stretched lifespan when compared with more forms of pipelines.
An advantage which try further of pipelines could be the affordability. Galvanized pipes are affordable in comparison to more forms of pipelines copper plus PVC. This may make sure they are a choice that was architects which are perfect designers working with tight investing methods.
Innovation in Galvanized Pipes
In our contemporary world, there has been a complete levels which was big of in to the production of galvanized pipelines. one innovation may be the use of current tactics which will make pipelines that are galvanized powerful and many other things durable, more recent coatings had been developed that boost the corrosion opposition of galvanized pipelines.
Another innovation inside the production of galvanized pipelines will be the development of galvanized pipelines that are extra searching which is fantastic. Galvanized Products pipelines are also made of different colors plus finishes that complement types which can be different is architectural.
Safety plus Use of Galvanized Pipes
Galvanized pipes was safer to make use of in architectural designs. They are maybe not toxic and don't introduce fumes that can be harmful they easily are heated, they are fire-resistant plus don't shed effectively. What this means is they're perfect for used in structures where fire protection is just a concern.
Whenever pipelines that are choosing galvanized it's important to follow the manufacturer's guidelines on how to install them. Improper installation may end in leakages and also other problems that compromise the integrity for the look.
Quality of Galvanized Pipes
The typical of galvanized pipelines is vital to make certain that what is recommended try came across by them for the style. Top-quality pipelines and this can be galvanized the finish which are constant of, creating them many resistant to corrosion plus rust, top-quality pipelines that are galvanized more powerful and even more durable.
It is important to provide pipelines that can be galvanized providers being reputable stick to strict quality control needs. This can help to ensure the pipelines meet the specifications being recommended try safer to work with.
Application of Galvanized Pipes
Galvanized pipes has many applications in architectural designs. They're trusted in plumbing work perform, roofing, fencing, and scaffolding, they could be present in decorative elements railings, gates, plus staircases.
Whenever using pipelines being galvanized decorative elements, it is critical to select pipelines having the finish which complements the appearance that was basic galvanized pipelines was painted to fit along side scheme linked to the design.
To summarize, galvanized pipelines is definitely an solution that was perfect architects plus designers which are selecting pipelines being resistant to corrosion plus rust, affordable, plus lookin which is very good. There have been innovations that are many the production of galvanized pipelines Products that have made them more powerful, more powerful, and many other things lookin which is very good. Whenever pipelines which can be using is galvanized it is vital to continue utilizing the manufacturer's tips plus to provide pipelines from reputable services. Galvanized pipes has applications that are many architectural designs and will also be precisely utilized in plumbing work system, roofing, fencing, scaffolding, plus elements that are decorative. | carrie_richardsoe_870d97c |
1,882,963 | Callback Hell In JavaScript | Callback Hell In JavaScript : ✍ When a function is passed as an argument to another function, it... | 0 | 2024-06-10T09:32:20 | https://dev.to/pervez/callback-hell-in-javascript-1j83 | webdev, javascript, beginners, programming | **Callback Hell In JavaScript :**
✍ When a function is passed as an argument to another function, it becomes a callback function. This process continues and there are many callbacks inside another's Callback function. The code grows horizontally instead of vertically .That mechanism is known as callback hell.
Callback Hell (Pyramid of Doom) , occurs in asynchronous programming when multiple callbacks are nested within one another . This pattern emerges when each asynchronous operation requires a callback function, and these callbacks contain further asynchronous operations that also need callbacks.
**✍ Explanation :**
**_createOrder Function:_**
- When the createOrder function is called, a callback function is passed into it.
- Example: createOrder(() => {}).
- Inside createOrder, this callback function is executed after completing the createOrder operation.
- By using this callback function, you can call paymentOfOrder inside the callback after createOrder is done.
**_paymentOfOrder Function:_**
- When the paymentOfOrder function is called, a callback function is passed into it.
- Example: paymentOfOrder(() => {}).
- Inside paymentOfOrder, this callback function is executed after completing the payment operation.
- By using this callback function, you can call orderSummary inside the callback after paymentOfOrder is done.
_**orderSummary Function:**_
- When the orderSummary function is called, a callback function is passed into it.
- Example: orderSummary(() => {}).
- Inside orderSummary, this callback function is executed after completing the summary operation.
- By using this callback function, you can call updateWallet inside the callback after orderSummary is done.
**_Complete Flow with Explanations_**
Here’s the complete flow with these explanations applied:
This expanded explanation should clarify how each function's callback is used to invoke the next function in the sequence, demonstrating the flow of execution and how callback functions are passed and executed at each step.
This nesting of callbacks is what leads to callback hell as it makes the code harder to read and maintain, especially as the number of nested operations grows.
Avoid callback hell, consider refactoring the code using Promises or async/await for better readability and maintainability, as previously demonstrated.
_**Next Blog will be Promises , How we solve the call back issue by promises.
Keep following . Thank You**_
| pervez |
1,882,964 | Mobile App vs Website: Cost and Development Time Analysis | Developing a mobile app and website involves different costs and timelines. This blog provides a... | 0 | 2024-06-10T09:31:29 | https://dev.to/trigventsol/mobile-app-vs-website-cost-and-development-time-analysis-3bkc | mobile, website, webdev | Developing a **[mobile app and website](https://trigvent.com/mobile-app-vs-website-unveiling-the-business-boosting-choice/)** involves different costs and timelines. This blog provides a detailed analysis of the expenses associated with both platforms, from initial development to ongoing maintenance and updates. Learn about the factors that influence the cost of mobile apps, such as platform-specific development, design complexity, and feature integration. Compare this with the typically lower upfront costs of websites and their ease of modification. By understanding the financial and time commitments required, you can make an informed decision that aligns with your business goals. | trigventsol |
1,882,962 | JavaScript Promises: Best Practices & Keeping Your Code Clean | A JavaScript Promise is an object that represents the eventual completion (or failure) of an... | 27,607 | 2024-06-10T09:30:17 | https://dev.to/hkp22/javascript-promises-best-practices-keeping-your-code-clean-2ppi | javascript, programming, webdev, react | A JavaScript Promise is an object that represents the eventual completion (or failure) of an asynchronous operation and its resulting value. Promises provide a cleaner and more intuitive way to work with asynchronous code compared to traditional callback-based approaches.
{% youtube Wx2o-lnS8Bk %}
👉 **[Download eBook - JavaScript: from ES2015 to ES2023](https://qirolab.gumroad.com/l/javascript-from-es2015-to-es2023)**
.
### Key Concepts
1. **States**: A Promise has three states:
- **Pending**: The initial state, neither fulfilled nor rejected.
- **Fulfilled**: The operation was completed successfully.
- **Rejected**: The operation failed.
2. **Creating a Promise**:
```javascript
const myPromise = new Promise((resolve, reject) => {
// Asynchronous operation
if (/* operation successful */) {
resolve('Success!');
} else {
reject('Error!');
}
});
```
3. **Using Promises**:
- **`then`**: Attaches callbacks for the fulfilled case and the rejected case.
- **`catch`**: Attaches a callback for the rejected case.
- **`finally`**: Attaches a callback that is executed regardless of the promise's outcome.
```javascript
myPromise
.then((value) => {
console.log(value); // "Success!"
})
.catch((error) => {
console.error(error); // "Error!"
})
.finally(() => {
console.log('Operation completed');
});
```
### Promises in Action
#### Basic Example
Here's a simple example of using a Promise to simulate an asynchronous operation:
```javascript
const fetchData = () => {
return new Promise((resolve, reject) => {
setTimeout(() => {
const success = true; // Simulate success or failure
if (success) {
resolve('Data fetched successfully!');
} else {
reject('Failed to fetch data.');
}
}, 2000);
});
};
fetchData()
.then((message) => console.log(message))
.catch((error) => console.error(error));
```
#### Chaining Promises
Promises can be chained to handle a sequence of asynchronous operations:
```javascript
const step1 = () => Promise.resolve('Step 1 complete');
const step2 = () => Promise.resolve('Step 2 complete');
const step3 = () => Promise.resolve('Step 3 complete');
step1()
.then((result1) => {
console.log(result1);
return step2();
})
.then((result2) => {
console.log(result2);
return step3();
})
.then((result3) => {
console.log(result3);
})
.catch((error) => {
console.error(error);
});
```
### Advanced Usage
#### `Promise.all`
Executes multiple promises in parallel and waits for all of them to be resolved or any of them to be rejected:
```javascript
const promise1 = Promise.resolve('Promise 1 resolved');
const promise2 = Promise.resolve('Promise 2 resolved');
const promise3 = Promise.resolve('Promise 3 resolved');
Promise.all([promise1, promise2, promise3])
.then((values) => {
console.log(values); // ['Promise 1 resolved', 'Promise 2 resolved', 'Promise 3 resolved']
})
.catch((error) => {
console.error(error);
});
```
#### `Promise.race`
Waits for the first promise to be settled (resolved or rejected):
```javascript
const promise1 = new Promise((resolve) => setTimeout(resolve, 500, 'First'));
const promise2 = new Promise((resolve) => setTimeout(resolve, 100, 'Second'));
Promise.race([promise1, promise2])
.then((value) => {
console.log(value); // 'Second'
})
.catch((error) => {
console.error(error);
});
```
### Conclusion
[JavaScript Promises](https://qirolab.com/posts/understanding-javascript-promises-advanced-techniques-and-best-practices) offer a powerful way to handle asynchronous operations, making the code more readable and maintainable. By understanding and utilizing Promises effectively, developers can write cleaner and more efficient asynchronous code.
👉 **[Download eBook - JavaScript: from ES2015 to ES2023](https://qirolab.gumroad.com/l/javascript-from-es2015-to-es2023)**
[](https://qirolab.gumroad.com/l/javascript-from-es2015-to-es2023) | hkp22 |
1,882,959 | Top 8 Myths About Software Development Busted | Software engineering is often viewed as a form of black magic with many myths. While some have been... | 0 | 2024-06-10T09:27:04 | https://dev.to/martinbaun/top-8-myths-about-software-development-busted-47hj | devops, learning, development, softwaredevelopment | Software engineering is often viewed as a form of black magic with many myths. While some have been debunked, new ones crop up by the day.
I’ll discuss some of them below and how they’ve ultimately been debunked.
## Prelude
Most misconceptions are propagated by people who lack an understanding of programming. Software development is an integral part of human life. It is vital to demystify the myths in the burgeoning sector.
## What is software development?
Simply put, it is designing, creating, and maintaining applications that perform different functions. The ultimate goal is managing and developing efficient, reliable, and easy-to-use programs.
### *Myth 1: The more software developers, the better*
One of the biggest myths states that one person cannot develop software. Many people and brands believe hiring multiple developers will enhance workflow.
This is false. Adding more people may make sharing ideas and addressing stalemates easy, but it’s also time-consuming and detrimental to proper communication.
Read: *[Feedback with Asynchronous Video: Productivity with Screen Recording!](https://martinbaun.com/blog/posts/feedback-with-asynchronous-video-productivity-with-screen-recording/)*
More people give you extra hands but may prolong the development process due to gathering dissenting views on how things must be done. A small project done by one person may take a week for multiple developers to agree on a bit of code and a proper approach. Value your communication time just like developers value their work hours.
### *Myth 2: There is always a magic formula*
There is no magic formula for developing software, let alone one solution for all. Each underlying problem that a program solves may be different. Software development life cycle phases always differ.
Each project will always have its unique requirements and processes to be carried out. The development path is rarely linear unless a project is simple. The implemented code will always be different to address the underlying issue.
### *Myth 3: In-house developers are better than outsourcing*
A popular software engineering myth is that in-house developers are better than remote developers. This is far from the truth. Outsourcing makes it easy to access a skill unavailable with in-house developers. The best way is to engage the services of developers in remote locations to keep the project on track, especially when in-house developers lack a particular skill.
Read*[Onboarding and Training New Remote Employees in a Virtual Environment](https://martinbaun.com/blog/posts/onboarding-and-training-new-remote-employees-in-a-virtual-environment/)*
Developers working remotely are usually similar to hardworking professionals and improve the results of your in-house team. I use a similar mixed approach of having an in-house core team and adding consultant remote workers when needed.
My experience shows it’s better to work with consultants, especially those you have a stable relationship with. Hiring a random person for a single day has more risks than benefits. Overall, in-house development vs. remote/outsourcing approaches have their pros and cons:
### In-house pros:
- *Stability:* You know who you’re working with and what results to expect.
- *Priority:* You're Always a "top client" for in-house specialists, while remote consultants may not prioritize your project.
- *Building culture:* You develop the long-term work environment that helps you and your team grow.
### Cons of in-house:
- Difficult to scale up fast when you hire more side specialists for specific tasks.
- Building a culture is great, but it takes more time and effort.
### *Myth 4: Developers must have a computer science degree*
Guess how many developers have a computer science degree? According to Statista, in 2022, only 41.32% of developers had Bachelor's degrees, and only 21.14% had a Master's.
According to the Stack Overflow Developer Survey, 62% of developers have a Computer Science degree.
A developer doesn’t need to have a computer science degree to engage in software development. Anyone can learn and master the various programming methodologies by watching videos online and reading tutorials. Many online courses and communities teach people the art of programming.
It’s easier to secure a software development job by demonstrating your expertise. You can do this by sharing some of the projects you’ve done. Experience is the only thing that matters in software development, not a university degree.
A degree weighs much less than your effort and learning ability.
### *Myth 5: Real programmers use C and C++*
There is no doubt that C and C++ are some of the most popular programming languages. New programming languages have emerged, offering a variety of frameworks that give explicit functionality. These are JavaScript, Python, Go, PHP, Swift, and more. The key to efficient programming is finding a solution based on your goal. The programming language should be a catalyst to achieve this.
Programming languages are tools. Some tools are beneficial for specific tasks. A hammer cannot see a plank of wood and neither can a saw hammer a nail. Ask yourself what you want, then work towards that specific goal by designing good software.
### *Myth 6: A project is over once the software is released*
There is always an ongoing process in development that entails upgrades and updates to ensure the software is effective and efficient. The software shifts towards taking user feedback and incorporating it to enhance its use and capabilities as soon as it is released.
Read: *[Practical Tips to Maintain Productivity](https://martinbaun.com/blog/posts/practical-tips-to-maintain-productivity/)*
Developers often use many abstraction layers, such as libraries or frameworks, requiring more updates. You can get better upgrades if you use fewer abstraction libraries. I am working hard to simplify and make our software maintenance simple, efficient, straightforward, and cheap.
### *Myth 7: Quality assurance is not essential*
Quality assurance is essential to the software development process. Testing software to ensure it is working as expected is vital. Quality assurance helps ensure that software operates at the desired level before it is released into the market. Quality assurance provides the final product in a good working capacity. There’s no substitute for good user experience and Quality Assurance provides this.
### *Myth 8: You can resolve every bug before the product's release*
Every product has its lifecycle. Dynamics constantly change. It’s almost impossible to fix every bug in one swoop. It is much easier to avoid them during the initial development process. Ignoring bugs and errors during the development process is a grave mistake. Some bugs cause other bugs and fixing some may shed light on new ones. Fixing every bug as it appears is the prudent thing to do. Don’t overwhelm yourself with a daunting task at the end of development.
## Summary
Software development myths have existed for a long time. They confuse growing specialists in this beautiful sector. Such myths stand in the way of creating masterpieces that the world needs. I have debunked these myths for you and went a step further by developing Goleko. It is a testament to what you can achieve by [ignoring the noise and focusing on what's important.](https://goleko.com/)
Every software requires upstarts and robust maintenance to sift bugs, ensuring it works as expected. You can read more about how we do it on *MartinBaun*. I utilized the guiding principle of conducting post-mortems to figure out what goes wrong post-development.
Read: *[Post Mortem New Year's Eve.](https://martinbaun.com/blog/posts/post-mortem-new-years-eve/)*
Remember, it is only possible to resolve bugs that occur after the actual product release. QA can help you solve this issue. We have explained this in detail in our article, [How QA helps us get more done.](https://martinbaun.com/blog/posts/how-qa-helps-us-get-more-done/)
-----
*For these and more thoughts, guides, and insights visit my blog at [martinbaun.com.](http://martinbaun.com)* | martinbaun |
1,882,958 | 토토커뮤니티 | 온라인 베팅의 인기가 날로 높아지면서, 안전하고 신뢰할 수 있는 베팅 환경을 찾는 것이 점점 더 중요해지고 있습니다. 이와 관련하여 "먹튀로얄"과 "토토커뮤니티"는 사용자들이... | 0 | 2024-06-10T09:26:59 | https://dev.to/pluginplay09/totokeomyuniti-3n1e | 온라인 베팅의 인기가 날로 높아지면서, 안전하고 신뢰할 수 있는 베팅 환경을 찾는 것이 점점 더 중요해지고 있습니다. 이와 관련하여 "먹튀로얄"과 "토토커뮤니티"는 사용자들이 안전하게 베팅을 즐길 수 있도록 돕는 주요 플랫폼으로 자리 잡고 있습니다.
먹튀로얄은 먹튀(먹고 튀는 행위) 사기를 방지하기 위해 만들어진 커뮤니티입니다. 먹튀는 베팅 사이트에서 사용자의 돈을 받고 사라지는 행위로, 많은 사용자들이 피해를 보고 있습니다. 먹튀로얄은 이러한 사기를 예방하고자 다양한 정보를 제공하며, 신뢰할 수 있는 사이트와 그렇지 않은 사이트를 구별할 수 있도록 돕습니다. 이를 통해 사용자들은 보다 안전하게 베팅을 즐길 수 있습니다. 먹튀로얄은 사용자들이 직접 경험한 사례를 바탕으로 신뢰도 높은 사이트를 추천하고, 의심스러운 사이트에 대한 경고를 제공합니다. 이러한 정보는 신규 사용자뿐만 아니라 기존 사용자들에게도 큰 도움이 됩니다.
**_[토토커뮤니티](https://www.outlookindia.com/plugin-play/%EB%A8%B9%ED%8A%80%EB%A1%9C%EC%96%84-2024-%EB%85%84-best-no1-%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EC%BB%A4%EB%AE%A4%EB%8B%88%ED%8B%B0)_**
토토커뮤니티는 토토 사이트 사용자들이 모여 정보를 공유하고, 안전한 베팅 전략을 논의하는 공간입니다. 이 커뮤니티에서는 회원들 간의 활발한 소통을 통해 신뢰할 수 있는 사이트를 추천받고, 베팅 시 주의해야 할 사항들을 배울 수 있습니다. 토토커뮤니티는 베팅 초보자들에게는 가이드 역할을, 경험자들에게는 최신 정보와 전략을 제공하는 중요한 역할을 합니다. 회원들은 자신의 경험을 공유함으로써 다른 사용자들이 동일한 실수를 반복하지 않도록 돕고, 안전하게 베팅을 즐길 수 있는 환경을 조성합니다.
이 두 커뮤니티의 공통점은 사용자들이 안전하게 온라인 베팅을 즐길 수 있도록 돕는 데 중점을 두고 있다는 것입니다. 먹튀로얄과 토토커뮤니티는 사용자들에게 신뢰할 수 있는 사이트 정보를 제공함으로써, 사기 피해를 예방하고 보다 안전한 베팅 환경을 제공합니다. 또한, 이들 커뮤니티는 사용자의 적극적인 참여를 장려하여, 각자의 경험과 정보를 바탕으로 보다 신뢰도 높은 데이터를 구축합니다.
OutlookIndia는 이러한 주제에 대한 깊이 있는 기사를 제공하여, 온라인 베팅 세계의 복잡성과 위험성을 조명합니다. 이를 통해 사용자들이 사기 사이트를 피하고 안전하게 베팅할 수 있도록 유용한 정보를 제공합니다. OutlookIndia의 기사는 온라인 베팅을 고려하는 모든 이들에게 필수적인 가이드 역할을 하며, 안전하고 즐거운 베팅 환경을 조성하는 데 기여합니다.
결론적으로, 먹튀로얄과 토토커뮤니티는 온라인 베팅 사용자들에게 없어서는 안 될 중요한 플랫폼입니다. 이들 커뮤니티를 통해 사용자들은 보다 안전하고 신뢰할 수 있는 베팅 경험을 할 수 있으며, 사기 피해를 예방할 수 있습니다. 안전한 베팅을 위해, 먹튀로얄과 토토커뮤니티의 정보를 적극 활용하는 것이 중요합니다. | pluginplay09 | |
1,882,956 | Your Ultimate Guide to AWS CLF-C02 Exam Questions | The AWS Certified Cloud Practitioner certification is an excellent starting point for individuals... | 0 | 2024-06-10T09:24:17 | https://dev.to/emmiroy/your-ultimate-guide-to-aws-clf-c02-exam-questions-ho8 | education, webdev, javascript, python |
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>The <strong>AWS Certified Cloud Practitioner</strong> certification is an excellent starting point for individuals looking to build a career in cloud computing. The CLF-C02 exam validates your understanding of AWS Cloud, providing you with foundational knowledge necessary for advanced AWS certifications. This article will guide you through everything you need to know about the CLF-C02 exam, including essential <strong>CLF-C02 Exam Dumps</strong>, study materials, and effective strategies for success.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Understanding the AWS CLF-C02 Exam</strong></h2>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>The AWS CLF-C02 exam is designed for individuals who have a basic understanding of the AWS Cloud. It covers a wide range of topics, including AWS core services, cloud architecture principles, security, and compliance. The exam consists of multiple-choice and multiple-response questions, with a passing score typically around 70%.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Key Topics Covered in the CLF-C02 Exam</strong></h2>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>AWS Core Services</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>One of the primary focuses of the <strong><a href="https://dumps4free.com/CLF-C02-exam-questions-pdf-vce.html">CLF-C02 Exam Questions</a></strong> is understanding AWS core services. These services include computing (EC2), storage (S3), and databases (RDS). Familiarity with these services and their use cases is crucial for the exam.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Security and Compliance</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>AWS places a high emphasis on security. The exam will test your knowledge of AWS’s shared responsibility model, access management (IAM), and security compliance programs. Utilizing <strong>CLF-C02 Study Material</strong> that covers these topics in-depth can significantly enhance your preparation.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Cloud Architecture and Design Principles</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Understanding how to design resilient and scalable systems on AWS is another critical area. This includes knowledge of high availability, fault tolerance, and disaster recovery. <strong>CLF-C02 Exam Braindumps</strong> often contain scenario-based questions to test these concepts.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Preparing for the CLF-C02 Exam</strong></h2>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Utilizing CLF-C02 Exam Dumps</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'><strong>CLF-C02 Exam Dumps</strong> are a valuable resource for familiarizing yourself with the types of questions you’ll encounter. These dumps provide insight into the exam’s structure and the areas you need to focus on. However, it's essential to use them ethically to supplement your study rather than rely solely on them.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Taking Practice Tests</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'><strong>CLF-C02 Practice Test</strong> can help you gauge your readiness for the actual exam. These tests simulate the exam environment, allowing you to time yourself and get a feel for the question format. Regularly taking practice tests can help identify your strengths and areas for improvement.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Gathering Study Materials</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Investing in comprehensive <strong>CLF-C02 Study Material</strong> is crucial for covering all exam topics. These materials often include books, online courses, and whitepapers provided by AWS. Combining these resources with <strong>CLF-C02 Exam Dumps Questions</strong> can give you a well-rounded preparation.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Effective Study Strategies</strong></h2>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Creating a Study Plan</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>A structured study plan is essential for effective preparation. Allocate specific times for studying different topics, taking practice tests, and reviewing <strong>CLF-C02 Braindumps</strong>. Consistency and regular review are key to retaining information.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Joining Study Groups</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Participating in study groups can provide you with different perspectives and insights. Discussing <strong>CLF-C02 Questions Answers</strong> with peers can help clarify doubts and reinforce your understanding.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Hands-on Experience</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Practical experience is invaluable. Create an AWS free tier account to practice setting up and managing AWS services. This hands-on experience will not only prepare you for scenario-based questions in the <strong>CLF-C02 Exam Guide</strong> but also build your confidence.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Additional Resources for CLF-C02 Exam Preparation</strong></h2>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>AWS Training and Certification</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>AWS offers training courses specifically designed for the <strong>AWS Certified Cloud Practitioner</strong> exam. These courses provide in-depth knowledge and practical experience with AWS services. Combining these with <strong>CLF-C02 Exam Braindumps</strong> can enhance your preparation.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>AWS Whitepapers and Documentation</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>AWS whitepapers and documentation are authoritative resources that cover best practices, architecture frameworks, and service overviews. They are essential reading for understanding the nuances of AWS services and can be instrumental in preparing for <strong>CLF-C02 Exam Questions</strong>.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Online Forums and Communities</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Engage with online forums and communities such as AWS Discussion Forums, Reddit, and LinkedIn groups. These platforms offer valuable insights, tips, and experiences shared by individuals who have already taken the exam. They can also provide support and motivation during your study journey.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h2 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:17px;font-family:"Calibri Light",sans-serif;color:#2E74B5;font-weight:normal;'><strong>Taking the Exam</strong></h2>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Exam Registration</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Registering for the CLF-C02 exam is straightforward. You can schedule your exam through the AWS Training and Certification website. Choose a date and time that gives you ample time to prepare and review your <strong>CLF-C02 Study Material</strong>.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>On the Day of the Exam</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Ensure you are well-rested and have all necessary documents ready. Arrive at the exam center early or ensure your home setup is prepared if you’re taking the exam online. Read each question carefully and manage your time effectively during the exam.</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'> </p>
<h3 style='margin-top:2.0pt;margin-right:0in;margin-bottom:.0001pt;margin-left:0in;font-size:16px;font-family:"Calibri Light",sans-serif;color:#1F4D78;font-weight:normal;'><strong>Conclusion</strong></h3>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>Achieving the AWS Certified Cloud Practitioner certification can open doors to numerous career opportunities in cloud computing. By thoroughly preparing with <strong>CLF-C02 Exam Dumps</strong>, <strong>CLF-C02 Practice Test</strong>, and other study materials, you can confidently approach the exam. Remember, consistent study, practical experience, and utilizing all available resources are key to success. Good luck on your journey to becoming AWS certified!</p>
<p style='margin-top:0in;margin-right:0in;margin-bottom:8.0pt;margin-left:0in;font-size:11.0pt;font-family:"Calibri",sans-serif;text-align:justify;'>For more resources and support, visit Dumps4free.com.</p> | emmiroy |
1,882,955 | Caas India Solutions for Businesses (CaaS) in India - Tan90 Thermal | Tan90Thermal’s Cooling as a Service (CaaS) offers an innovative solution for temperature-sensitive... | 0 | 2024-06-10T09:23:09 | https://dev.to/tan90_thermal_/caas-india-solutions-for-businesses-caas-in-india-tan90-thermal-1099 | caas, coldsolution, coolingasaservice | Tan90Thermal’s [Cooling as a Service](https://tan90thermal.com/what-is-caas/) (CaaS) offers an innovative solution for temperature-sensitive logistics, enabling businesses to use pre-frozen PCM panels without the need for significant capital investment. This service simplifies inventory management, optimizes storage space, and eliminates the need for manpower in freezing operations. By booking frozen panels a day prior, businesses can achieve efficient cold chain management, reducing operational costs by up to 40% and boosting profits by 50%.
| tan90_thermal_ |
1,882,953 | React Native Speed Math App | Hello Everyone, I'm back after 1 year and 4 months.This time with react native project. Let's start... | 0 | 2024-06-10T09:22:53 | https://dev.to/devrohit0/react-native-speed-math-app-3780 | reactnative, javascript, beginners, mobile | Hello Everyone, I'm back after 1 year and 4 months.This time with react native project.
**Let's start the project**
I created this project with Expo and used used Expo Router for routing.
Create a new folder and open the terminal and run this command
```js
npx create-expo-app@latest
```
After running this command successfully, You can remove the boilerplate code and start fresh with a new project. Run the following command to reset your project:
```js
npm run reset-project
```
Before jumping to the code, let's understand the functionality of our app.
When the user is on home screen then the user has to choose one mathematical operation that they want to practice.
Once they select the operation then they are moved to the Quiz Screen and questions will start appearing on the user screen. The user have to answer the question within 10sec and if the answer is correct then the score is increased by 1 and the next question will appear and if the user does not answer the question within 10sec then the next question will be rendered.
`app` is the starting point of our application and inside `app`, `_layout.tsx` is our root layout and `index.tsx` is our home page.
## _layout.tsx :-
```
import { Stack } from "expo-router";
export default function RootLayout() {
return (
<Stack>
<Stack.Screen name="index" options={{headerShown:false}}/>
<Stack.Screen name='quiz/[id]'options={{headerShown:false}}/>
</Stack>
);
}
```
Now we have two screens, one the home screen and the other will be a dynamic screen which will render the questions based on the operation selected by the user.
## index.tsx :-
```js
// HomeScreen.js
import React, { useState } from 'react';
import { View, Text, Button, StyleSheet } from 'react-native';
import {router} from 'expo-router'
const HomeScreen = () => {
const handleStartQuiz = (operation: string) => {
router.push({pathname:'/quiz/[id]',
params:{id:operation}
}
)
};
return (
<View style={styles.container}>
<Text style={styles.title}>Choose a Operation:</Text>
<Button title="Addition" onPress={() => handleStartQuiz('addition')} />
<Button title="Subtraction" onPress={() => handleStartQuiz('subtraction')} />
<Button title="Multiplication" onPress={() => handleStartQuiz('multiplication')} />
<Button title="Division" onPress={() => handleStartQuiz('division')} />
</View>
);
};
const styles = StyleSheet.create({
container: {
display:'flex',
marginTop:60,
justifyContent: 'center',
// alignItems: 'center',
rowGap:10,
margin:20
},
title: {
fontSize: 20,
marginTop: 20,
},
});
export default HomeScreen;
```
Now create a new folder `app/quiz` and inside of it create a dynamic route `[id].tsx`
## [id].tsx :-
```js
// QuizScreen.js
import { useLocalSearchParams } from 'expo-router';
import React, { useState, useEffect } from 'react';
import { View, Text, TextInput, StyleSheet, SafeAreaView } from 'react-native';
const QuizScreen = () => {
const { id } = useLocalSearchParams<{id:string}>();
const operation = typeof id === 'string' ? id : 'addition'; // Provide a default operation if id is undefined or not a string
const [num1, setNum1] = useState(0);
const [num2, setNum2] = useState(0);
const [userAnswer, setUserAnswer] = useState('');
const [score, setScore] = useState(0);
const [time, setTime] = useState(10);
useEffect(() => {
console.log('Operation from params:', operation);
generateQuestion();
}, [operation]);
const generateQuestion = () => {
switch (operation) {
case 'addition':
setNum1(Math.floor(Math.random() * 100) + 1);
setNum2(Math.floor(Math.random() * 100) + 1);
break;
case 'subtraction':
setNum2(Math.floor(Math.random() * 100) + 1);
setNum1(Math.floor(Math.random() * 100) + 1); // Adjusted to ensure num2 is generated properly
break;
case 'multiplication':
setNum1(Math.floor(Math.random() * 100) + 1);
setNum2(Math.floor(Math.random() * 10) + 1);
break;
case 'division':
const divisor = Math.floor(Math.random() * 9) + 1;
const quotient = Math.floor(Math.random() * 100) + 1;
setNum2(divisor);
setNum1(divisor * quotient);
break;
default:
setNum1(0);
setNum2(0);
}
};
const handleAnswerChange = (text:string) => {
setUserAnswer(text);
const answer = calculateAnswer();
const tolerance = 0.0001; // Adjust tolerance level as needed
if (Math.abs(parseFloat(text) - answer) <= tolerance) {
setScore(score + 1);
handleNextQuestion();
}
};
const calculateAnswer = () => {
switch (operation) {
case 'addition':
return num1 + num2;
case 'subtraction':
return num1 - num2;
case 'multiplication':
return num1 * num2;
case 'division':
return num1 / num2; // Ensure it's a precise division
default:
return num1 + num2; // Default to addition
}
};
const handleNextQuestion = () => {
generateQuestion();
setUserAnswer('');
setTime(10);
};
useEffect(() => {
const timer = setInterval(() => {
setTime((prevTime) => {
if (prevTime > 0) {
return prevTime - 1;
} else {
handleNextQuestion();
return 10; // Reset timer to 10 seconds for the next question
}
});
}, 1000);
return () => clearInterval(timer);
}, []);
return (
<SafeAreaView style={styles.container}>
<Text style={{ fontWeight: 'bold', fontSize: 38 }}>Speed Math</Text>
<View style={styles.topBar}>
<View>
<Text style={styles.timer}><Text>⌛</Text> {time} sec</Text>
</View>
<Text style={styles.score}>Score: {score}</Text>
</View>
<Text style={styles.question}>
{num1} {getOperationSymbol(operation)} {num2} =
</Text>
<TextInput
style={styles.input}
keyboardType="numeric"
value={userAnswer}
onChangeText={handleAnswerChange}
autoFocus={true}
/>
</SafeAreaView>
);
};
const getOperationSymbol = (operation:string) => {
switch (operation) {
case 'addition':
return '+';
case 'subtraction':
return '-';
case 'multiplication':
return '×';
case 'division':
return '÷';
default:
return '+';
}
};
const styles = StyleSheet.create({
container: {
marginTop:50,
flex: 1,
alignItems: 'center',
},
question: {
fontSize: 20,
marginTop: 200,
marginBottom: 10,
},
input: {
height: 40,
borderColor: 'gray',
borderWidth: 1,
marginBottom: 20,
textAlign: 'center',
width: 100,
},
timer: {
marginTop: 10,
fontSize: 16,
fontWeight: 'bold',
},
score: {
marginTop: 10,
fontSize: 16,
fontWeight: 'bold',
},
topBar: {
flexDirection: 'row',
justifyContent: 'space-between',
gap: 30,
alignItems: 'center',
width: 360,
},
});
export default QuizScreen;
```
**Important points **
- Here,` useLocalSearchParams` from `expo-router` is used to extract query parameters from the URL.
- `useLocalSearchParams` extracts the `id` parameter from the URL, which determines the type of arithmetic operation.
- operation sets the operation type based on `id` or defaults to "addition".
- We initialize state variables: `num1`, `num2`, `userAnswer`, `score`, and `time`.
**Function to Generate Questions**
```js
const generateQuestion = () => {
switch (operation) {
case 'addition':
setNum1(Math.floor(Math.random() * 100) + 1);
setNum2(Math.floor(Math.random() * 100) + 1);
break;
case 'subtraction':
setNum2(Math.floor(Math.random() * 100) + 1);
setNum1(Math.floor(Math.random() * 100) + 1);
break;
case 'multiplication':
setNum1(Math.floor(Math.random() * 100) + 1);
setNum2(Math.floor(Math.random() * 10) + 1);
break;
case 'division':
const divisor = Math.floor(Math.random() * 9) + 1;
const quotient = Math.floor(Math.random() * 100) + 1;
setNum2(divisor);
setNum1(divisor * quotient);
break;
default:
setNum1(0);
setNum2(0);
}
};
```
I'm new to react native and maybe not that good at explaining the code. Still, you can reach out to me
[LinkedIn](https://linkedin.com/in/rohit-sharma16)
[Live Apk](https://expo.dev/artifacts/eas/czLf4NMRMVWgvqkagNnxN9.apk)
[Code](https://github.com/dev-rohit0/speed-math) | devrohit0 |
1,882,951 | 11 Best DevOps Tools For Infrastructure Modernization | Infrastructure modernization includes the updation of hardware, software, networking, and other such... | 0 | 2024-06-10T09:20:49 | https://dev.to/anshul_kichara/11-best-devops-tools-for-infrastructure-modernization-1on3 | devop, technology, software, trending | Infrastructure modernization includes the updation of hardware, software, networking, and other such components. It is done to adapt to changing needs, take advantage of new technologies, optimize costs, etc.
To achieve success in Infrastructure Modernization, there are certain DevOps tools developed by tech giants that serve as industry standards for others.
In this blog post let us learn about the best DevOps tools that play a vital role in infrastructure modernization.
## 11 DevOps Tools to Take Control of Your Infrastructure Modernization Journey
The DevOps tools you select to modernize your infrastructure depend upon the evaluation of your current infra and requirements. Based on these considerations, you can go for open-source legacy platforms, commercially supported modern platforms, or a hybrid approach.
**[Good Read: [How to Build a Developer Metrics Dashboard?](https://dev.to/anshul_kichara/how-to-build-a-developer-metrics-dashboard-3gab) ]**
**Here’s the list of these tools**:
**1.Terraform**– Infrastructure as a Code(IaC) Tool
Terraform lets you define and provision infrastructure resources. Since it supports numerous **_[cloud service providers](https://opstree.com/cloud-devsecops-advisory/)_**, it is flexible for a variety of cloud environments. By codifying your infrastructure with Terraform, you can enable version control, reproducibility, and automation. Furthermore, Terraform makes infrastructure management much easier with its simple syntax and modular design, allowing scalability.
**2.AWS CloudFormation** – IaC Tool for AWS Cloud
Specifically designed for the AWS, AWS CloudFormation provides infrastructure as code capabilities for **_[AWS Services](https://opstree.com/aws-consulting-partner/)_**. It allows you to define and manage AWS resources in a template format. Thus, enabling consistent and repeatable provisioning.
CloudFormation easily integrates with other AWS services and supports parameterization and resource dependencies, allowing dynamic and scalable infrastructure deployments.
**3.Ansible** – Configuration Management Tool
Ansible is a powerful configuration management tool that automates the provisioning, configuration, and orchestration of IT infrastructure. Using simple, human-readable YAML syntax, Ansible enables you to define infrastructure state and desired configurations across diverse environments. Its agentless architecture and idempotent nature make it easy to use and maintain, while its extensive library of modules supports integration with a wide range of systems and platforms.
**4.Chef** – Configuration Management Tool
Chef is another configuration management tool that allows you to automate infrastructure deployment and configuration at scale. It follows a model-driven approach, where infrastructure configurations are defined as code using Chef’s domain-specific language (DSL).
With its cookbook-based architecture, Chef offers flexibility and extensibility to encapsulate and share reusable configuration patterns.
With its focus on infrastructure as code principles, Chef provides auditable infrastructure management across your organization.
**5.BuildPiper** – Continuous Integration and Delivery (CI/CD) Tool
BuildPiper is a CI/CD tool specifically designed for modern microservices development. It provides a platform to automate the entire software delivery pipeline, including building, testing, and deploying your microservices applications.
The platform’s ease of use and powerful automation capabilities make it a popular choice for organizations looking to optimize their DevOps workflows and accelerate microservices delivery.
**6.Jenkins** – Continuous Integration and Delivery (CI/CD) Tool
Jenkins is one of the most widely used open-source automation servers for continuous integration and delivery. It enables developers to automate the building, testing, and deployment of software projects, facilitating collaboration and reducing time to market. Jenkins offers a vast array of plugins to support integration with various tools and technologies, making it highly customizable to fit the needs of different development teams. Its extensibility, flexibility, and strong community support have made it a cornerstone of many CI/CD pipelines.
**7.GitLab** – Continuous Integration and Delivery (CI/CD) Tool
GitLab provides a complete DevOps platform, including integrated CI/CD capabilities, within a single application. It allows developers to manage source code repositories, track issues, and automate the software development lifecycle from planning to deployment. With GitLab CI/CD, teams can define pipelines using simple YAML configuration files, enabling automated testing, code reviews, and continuous delivery. GitLab’s built-in features for code quality and security scanning further enhance the development process, making it a popular choice for organizations seeking end-to-end DevOps solutions.
**8.Prometheus** – Monitoring Tool
Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability in modern, dynamic environments. It collects metrics from monitored targets by scraping HTTP endpoints, allowing users to gain insights into the performance and health of their systems. Prometheus stores time-series data in a flexible database, enabling powerful querying and visualization with integrations like Grafana. Its efficient data model, support for multi-dimensional data collection, and native alerting capabilities make it a popular choice for monitoring cloud-native applications and infrastructure.
**9.Grafana** – Monitoring Tool
Grafana is a leading open-source platform for monitoring and observability, offering rich visualization and analytics capabilities for time-series data. It integrates seamlessly with various data sources, including Prometheus, Elasticsearch, and InfluxDB, allowing users to create customized dashboards to visualize metrics and logs. Grafana’s extensive plugin ecosystem and support for graphing, alerting, and exploration make it a versatile tool for monitoring applications, infrastructure, and business metrics. Whether monitoring performance, troubleshooting issues, or analyzing trends, Grafana provides the flexibility and scalability to meet diverse monitoring needs.
**10.Aqua Security** – Container and Cloud Workload Security
Aqua Security provides comprehensive security solutions for containerized and cloud-native applications, helping organizations protect their environments throughout the software development lifecycle. Its platform offers vulnerability management, runtime protection, and compliance automation for containerized workloads, ensuring security and compliance without slowing down development. Aqua Security integrates with CI/CD pipelines to automatically scan images for vulnerabilities and enforce security policies, enabling DevSecOps practices and mitigating risks in dynamic, distributed environments.
**11.Hashicorp Vault** – Secrets Management
HashiCorp Vault’s flexible architecture and robust security features make it a trusted choice for managing secrets and sensitive data in modern cloud environments. It supports various secret types, including passwords, certificates, and encryption keys, and provides centralized access control and auditing capabilities. HashiCorp Vault’s dynamic secrets feature generates short-lived credentials on-demand, reducing the risk of exposure and enhancing security. Additionally, Vault integrates seamlessly with popular DevOps tools and platforms, enabling you to incorporate secrets management into your existing workflows effortlessly.
**You can check more info about**: **[Best DevOps Tools](https://www.buildpiper.io/blogs/devops-tools-for-infrastructure-modernization/)**.
- **_[DevOps Company](https://opstree.com/)_**.
- **_[DevOp Tool](https://www.buildpiper.io/)_**.
- **[Security Service Provider](https://www.buildpiper.io/managed-security-observability/)**.
- **_[Kubernetes Consulting](https://opstree.com/kubernetes-containerization/)_**
| anshul_kichara |
1,882,946 | A Comprehensive Guide to the Runes Standard on Bitcoin | The Bitcoin ecosystem is continually evolving, and one of the recent innovations that have garnered... | 0 | 2024-06-10T09:19:00 | https://dev.to/donnajohnson88/a-comprehensive-guide-to-the-runes-standard-on-bitcoin-27pi | blockchain, bitcoin, cryptocurrency, learning | The Bitcoin ecosystem is continually evolving, and one of the recent innovations that have garnered significant attention is the Runes standard. Through the ability to conduct more intricate and flexible transactions, this standard seeks to improve the operation and usefulness of the Bitcoin network. In this comprehensive guide, we will delve into what the Runes standard is, its significance, how it works, and its potential impact on the [crypto development](https://blockchain.oodles.io/cryptocurrency-development-services/?utm_source=devto) ecosystem.
## What is the Runes Standard?
The Runes standard is a proposed protocol for the Bitcoin network that introduces the concept of programmable tokens. It aims to enhance Bitcoin’s capabilities by allowing users to create, issue, and manage tokens directly on the Bitcoin blockchain. These tokens can represent anything from digital assets and currencies to real-world assets.
Also, Check | [The Bitcoin Endgame | What Happens When All BTC Are Mined?](https://blockchain.oodles.io/blog/what-happens-all-bitcoin-mined/?utm_source=devto)
## Key Features of the Runes Standard
**Programmability**: Allows for creating complex smart contracts on the Bitcoin network.
**Tokenization**: Enables the issuance of tokens that can represent a wide range of assets.
**Interoperability**: Facilitates interaction between different blockchain platforms and tokens.
**Security**: Leverages Bitcoin’s robust security model to ensure the integrity and safety of transactions.
## The Significance of the Runes Standard
**Enhanced Functionality**
The Bitcoin network's functioning has been greatly improved with the implementation of the Runes standard. A wider range of applications and use cases are made possible by its capacity to support more intricate and flexible transactions.
**Broader Adoption**
The Runes standard can draw in more users by enabling tokenization and smart contracts on Bitcoin. These users may include developers and companies who were previously dependent on Ethereum or other blockchain platforms.
**Increased Utility**
The ability to create and manage tokens directly on the Bitcoin blockchain increases its utility, making it a more attractive option for various financial and non-financial applications.
You may also like | [Satoshi Nakamoto’s Last Email Reveals Bitcoin Creator’s Thoughts](https://blockchain.oodles.io/blog/satoshi-nakamoto-last-email/?utm_source=devto)
## How the Runes Standard Works
**Token Creation**
One of the core features of the Runes standard is the ability to create tokens. Determining the token's characteristics, including its supply, divisibility, and any other pertinent features, is the first step in this procedure.
**Smart Contracts**
Runes leverages Bitcoin’s scripting capabilities to enable the creation and execution of smart contracts. These contracts can automate various processes, such as the transfer of tokens, issuance of dividends, and more.
**Transaction Types**
The Runes standard introduces new transaction types that are specifically designed to handle the complexities of token transfers and smart contracts. These transaction types ensure that tokens can be transferred securely and efficiently on the Bitcoin network.
**Security and Compliance**
Runes adheres to Bitcoin’s security model, ensuring that all transactions are secure and immutable. Additionally, it can incorporate compliance features to meet regulatory requirements, making it suitable for a wide range of applications.
## Potential Impact of the Runes Standard
**Financial Services**
The financial services industry stands to benefit significantly from the Runes standard. It enables the creation of digital assets, simplifies the issuance and management of securities, and facilitates complex financial transactions.
**Decentralized Applications (DApps)**
With the Runes standard, developers can build decentralized applications (DApps) on the Bitcoin network. This opens up new possibilities for applications in areas such as decentralized finance (DeFi), supply chain management, and more.
**Real-World Asset Tokenization**
The ability to tokenize real-world assets, such as real estate, art, and commodities, is another significant impact of the Runes standard. This can increase liquidity and accessibility for these assets, making them more attractive to investors.
**Cross-Chain Interoperability**
The Runes standard facilitates interoperability between different blockchain platforms, allowing tokens and smart contracts to interact seamlessly across multiple networks. This can enhance the overall efficiency and functionality of the blockchain ecosystem.
## Conclusion
The Runes standard represents a significant step forward for the Bitcoin network, introducing enhanced functionality and new possibilities through programmable tokens and smart contracts. Runes can revolutionize several sectors and applications by utilizing Bitcoin’s strong security paradigm and extending its capabilities.
As we look to the future, the Runes standard holds the promise of making Bitcoin a more versatile and powerful platform, capable of supporting a wide range of innovative applications and use cases. Embracing this standard can unlock new avenues for growth, efficiency, and utility in the ever-evolving world of blockchain technology.
Connect with our [crypto developers](https://blockchain.oodles.io/about-us/?utm_source=devto) to get started with crypto token development using Runes standard. | donnajohnson88 |
1,880,546 | Comprehensive Guide: Integrating a Drag-and-Drop Form Builder for Camunda. | Introduction: Camunda is a Open Source powerful business process management (BPM) solution... | 0 | 2024-06-10T09:16:49 | https://dev.to/optimajet/comprehensive-guide-integrating-a-drag-and-drop-form-builder-for-camunda-284b | camunda, opensource, react, frontend | ### Introduction:
Camunda is a Open Source powerful business process management (BPM) solution that provides a flexible and scalable platform for process automation. It supports BPMN for process modeling, CMMN for case management, and DMN for decision modeling.
Optimajet team receives a large number of questions regarding the integration of the form builder for Camunda. We have written a detailed guide so that all developers can connect [Optimajet Formengine to [Camunda](https://github.com/camunda).
[Formengine](https://formengine.io) is a Drag & Drop Form Builder Library for React. OptimaJet FormBuilder is a lightweight front-end tool that offers an easy and flexible approach to adding drag-and-drop form functionality to your React applications.
In this guide, we will use an example from the Camunda
repository, [Using React Forms with Tasklist](https://github.com/camunda/camunda-bpm-examples/tree/master/usertask/task-form-embedded-react), and modify it so that the forms are displayed using Optimajet FormEngine.
### Requirements
To follow along, you will need the following:
1. [Java Development Kit (JDK) 17](https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html)
2. [Camunda 7 Community Edition](https://downloads.camunda.cloud/release/camunda-bpm/tomcat/7.21/camunda-bpm-tomcat-7.21.0.zip)
3. [Camunda Modeler](https://camunda.com/download/modeler/)
Ensure that both Camunda 7 Community Edition and Camunda Modeler are installed on your system if they are not already.
## Starting with the React Example
The Camunda repository on GitHub provides a simple and
clear [instruction](https://github.com/camunda/camunda-bpm-examples/blob/master/usertask/task-form-embedded-react/README.md) for using React
in Tasklist. Let's walk through it together.
1. **Add `loadReact.js` to Camunda Tasklist:**
Download [loadReact.js](https://github.com/camunda/camunda-bpm-examples/blob/master/usertask/task-form-embedded-react/config/react/loadReact.js)
and place it in the `app/tasklist/scripts/react` directory of the Camunda Tasklist webapp. For example, if you are using Tomcat, the path
will be `/webapps/camunda/app/tasklist/scripts/react`.
This script will load React and ReactDOM from a CDN and add them to the global scope. If you prefer to use different versions of React,
adjust the import paths in the script accordingly.
2. **Add the loader as a custom script:**
Modify the `app/tasklist/scripts/config.js` file of the Camunda Tasklist webapp to include the loader script. For Tomcat, this file is
located at `/webapps/camunda/app/tasklist/scripts/config.js`. Update the file as shown in
the [example](https://github.com/camunda/camunda-bpm-examples/blob/master/usertask/task-form-embedded-react/config/config.js).
**config.js**
```javascript
customScripts: [
'scripts/react/loadReact.js'
]
```
Launch Camunda if it is not already running. Next, we need to upload the process definition and forms from GitHub, then upload them to
Camunda using Camunda Modeler and start the process. Let's do it step by step:
1. **Download the following files:**
- [react-example.bpmn](https://raw.githubusercontent.com/camunda/camunda-bpm-examples/master/usertask/task-form-embedded-react/src/main/resources/react-example.bpmn)
- [start-form.html](https://raw.githubusercontent.com/camunda/camunda-bpm-examples/master/usertask/task-form-embedded-react/src/main/webapp/start-form.html)
- [task-form.html](https://raw.githubusercontent.com/camunda/camunda-bpm-examples/master/usertask/task-form-embedded-react/src/main/webapp/task-form.html)
2. **Open Camunda Modeler and load the `react-example.bpmn` file:**
3. **Update the form keys:**
- Click the "Invoice Received" element and change the Form key from `embedded:app:start-form.html`
to `embedded:deployment:start-form.html`:
- Click the "Approve Invoice" element and change the Form key from `embedded:app:task-form.html` to `embedded:deployment:task-form.html`:
4. **Deploy the process:**
- Click the Rocket button at the bottom of the screen, then click the plus button next to "Include additional files" and add the
previously downloaded `start-form.html` and `task-form.html` files:
- Click the "Deploy" button. You should see a message indicating that the Process Definition has been successfully deployed:
To ensure everything works correctly, follow these steps to test the setup in the Camunda web interface. If Camunda is running locally, the
address will be something like [http://localhost:8080/camunda-welcome/index.html](http://localhost:8080/camunda-welcome/index.html):
1. **Open the Camunda web interface:**
2. **Access the Tasklist:**
- Click on the Tasklist image.
- Log in using the credentials **demo**/**demo**:
3. **Start the process:**
- Click on the "Start Process" button on the top panel:
- Select "React example" in the "Start process" window:
4. **Fill in the start form:**
- The form for starting the process, uploaded from `start-form.html`, should now be displayed.
- Fill in the form with the necessary data and click the "Start" button:
5. **View the task list:**
- The process has started. Now click on "All Tasks" on the left panel.
- You should see your task in the task list:
6. **Claim the task:**
- Click on the task:
- Claim the task by clicking on the "Claim" link, which will change to "Demo Demo":
7. **Complete the task:**
- The form you see is uploaded from the `task-form.html` file.
- Fill out the form by clicking on the "I approve this Invoice" checkbox, then click the "Complete" button:
8. **Verify completion:**
- The task will be completed:
## Creating forms
To connect FormEngine to Camunda, we will use a package that includes a set of components based on React Suite. These components are
utilized in our [demo](https://demo.formengine.io/).
First, we need two forms to replace the React forms from the Camunda example. We will omit the process of creating these forms, as it is
straightforward to accomplish. For instance, you can use our [demo](https://demo.formengine.io/). Simply drag and drop the necessary
components onto the form and configure their properties as required. Below are the JSON files containing the forms themselves.
**start-form.json**
{% details Click to view start-form.json %}
```JSON
{
"version": "1",
"actions": {
"onChange": {
"body": " const setInvoiceDocument = document => e.store.formData.state['invoiceDocument'] = document;\n\n const blobFile = e.args[0]?.[0]?.blobFile;\n if (blobFile) {\n const reader = new FileReader();\n reader.readAsDataURL(blobFile);\n reader.onload = () => {\n setInvoiceDocument(reader.result.replace(/^data:(.*;base64,)?/, ''));\n };\n reader.onerror = () => {\n setInvoiceDocument(undefined);\n }\n } else {\n setInvoiceDocument(undefined);\n }",
"params": {}
}
},
"form": {
"key": "Screen",
"type": "Screen",
"props": {},
"children": [
{
"key": "RsContainer 1",
"type": "RsContainer",
"props": {},
"children": [
{
"key": "RsLabel 1",
"type": "RsLabel",
"props": {
"text": {
"value": "Invoice Document:"
}
}
},
{
"key": "invoiceDocument",
"type": "RsUploader",
"props": {
"autoUpload": {
"value": false
}
},
"events": {
"onChange": [
{
"name": "onChange",
"type": "code"
}
]
}
}
]
},
{
"key": "creditor",
"type": "RsInput",
"props": {
"label": {
"value": "Creditor:"
},
"placeholder": {
"value": "e.g. \"Super Awesome Pizza\""
},
"size": {
"value": "md"
}
}
},
{
"key": "amount",
"type": "RsNumberFormat",
"props": {
"label": {
"value": "Amount:"
},
"placeholder": {
"value": "e.g. \"30.00\""
},
"allowNegative": {
"value": false
}
}
},
{
"key": "invoiceCategory",
"type": "RsDropdown",
"props": {
"label": {
"value": "Invoice Category:"
},
"data": {
"value": [
{
"value": "Travel Expenses",
"label": "Travel Expenses"
},
{
"value": "Business Meals",
"label": "Business Meals"
},
{
"value": "Other",
"label": "Other"
}
]
},
"value": {
"value": ""
}
}
},
{
"key": "invoiceNumber",
"type": "RsInput",
"props": {
"placeholder": {
"value": "e.g. \"I-12345\""
},
"label": {
"value": "Invoice Number:"
}
}
}
]
},
"localization": {},
"languages": [
{
"code": "en",
"dialect": "US",
"name": "English",
"description": "American English",
"bidi": "ltr"
}
],
"defaultLanguage": "en-US"
}
```
{% enddetails %}
You can see the "start-form" in the screenshot below:
The second form is similar to the first.
**task-form.json**
{% details Click to view task-form %}
```JSON
{
"version": "1",
"actions": {
"onChange": {
"body": " const setInvoiceDocument = document => e.store.formData.state['invoiceDocument'] = document;\n\n const blobFile = e.args[0]?.[0]?.blobFile;\n if (blobFile) {\n const reader = new FileReader();\n reader.readAsDataURL(blobFile);\n reader.onload = () => {\n setInvoiceDocument(reader.result.replace(/^data:(.*;base64,)?/, ''));\n };\n reader.onerror = () => {\n setInvoiceDocument(undefined);\n }\n } else {\n setInvoiceDocument(undefined);\n }",
"params": {}
}
},
"form": {
"key": "Screen",
"type": "Screen",
"props": {},
"children": [
{
"key": "RsContainer 1",
"type": "RsContainer",
"props": {},
"children": [
{
"key": "RsLabel 1",
"type": "RsLabel",
"props": {
"text": {
"value": "Invoice Document:"
}
}
},
{
"key": "invoiceDocument",
"type": "RsUploader",
"props": {
"autoUpload": {
"value": false
}
},
"events": {
"onChange": [
{
"name": "onChange",
"type": "code"
}
]
}
}
]
},
{
"key": "creditor",
"type": "RsInput",
"props": {
"label": {
"value": "Creditor:"
},
"placeholder": {
"value": "e.g. \"Super Awesome Pizza\""
},
"size": {
"value": "md"
}
}
},
{
"key": "amount",
"type": "RsNumberFormat",
"props": {
"label": {
"value": "Amount:"
},
"placeholder": {
"value": "e.g. \"30.00\""
},
"allowNegative": {
"value": false
}
}
},
{
"key": "invoiceCategory",
"type": "RsDropdown",
"props": {
"label": {
"value": "Invoice Category:"
},
"data": {
"value": [
{
"value": "Travel Expenses",
"label": "Travel Expenses"
},
{
"value": "Business Meals",
"label": "Business Meals"
},
{
"value": "Other",
"label": "Other"
}
]
},
"value": {
"value": ""
}
}
},
{
"key": "invoiceNumber",
"type": "RsInput",
"props": {
"placeholder": {
"value": "e.g. \"I-12345\""
},
"label": {
"value": "Invoice Number:"
}
}
}
]
},
"localization": {},
"languages": [
{
"code": "en",
"dialect": "US",
"name": "English",
"description": "American English",
"bidi": "ltr"
}
],
"defaultLanguage": "en-US"
}
```
{% enddetails %}
This is what the second form looks like:
## Connecting FormEngine to Camunda
When connecting FormEngine to Camunda, we decided to use a [bundle](/installation#cdn) designed for use on any web page. This method does
not require a separate React connection.
During the connection process, we discovered that Camunda uses a strict Content Security Policy, which prohibits some inline CSS used in the
bundle. Therefore, we will connect the component styles separately.
1. **Add `loadFormEngine.js`:**
Place `loadFormEngine.js` in `app/tasklist/scripts/formEngine` of the Camunda Tasklist webapp (e.g., for Tomcat, it will
be `/webapps/camunda/app/tasklist/scripts/formEngine`).
loadFormEngine.js
```javascript
const formEngine = document.createElement('script');
formEngine.crossOrigin = true;
formEngine.src = 'https://unpkg.com/@react-form-builder/viewer-bundle@1.2.0/dist/index.umd.js';
document.body.append(formEngine);
```
2. **Add the loader to `config.js`:**
Modify `app/tasklist/scripts/config.js` of the Camunda Tasklist webapp to include the loader script. For Tomcat, the path will
be `/webapps/camunda/app/tasklist/scripts/config.js`.
config.js
```javascript
customScripts: [
'scripts/react/loadReact.js',
// highlight-next-line
'scripts/formEngine/loadFormEngine.js'
]
```
3. **Download and add the CSS files:**
Download the [rsuite-no-reset.min.css](https://unpkg.com/@react-form-builder/viewer-bundle@1.2.0/dist/rsuite-no-reset.min.css) file and
the [formengine-rsuite.css](https://unpkg.com/@react-form-builder/viewer-bundle@1.2.0/dist/formengine-rsuite.css) file. Place them in
the `app/tasklist/styles` folder. To avoid configuring the CSP policy, download the styles locally.
4. **Modify `user-styles.css`:**
Add the following highlighted lines to `app/tasklist/styles/user-styles.css`:
user-styles.css
```css
/*
.navbar-brand {
text-indent: -999em;
background-image: url(./path/to/the/logo.png);
width: 80px;
}
[cam-widget-header] {
border-bottom-color: blue;
}
*/
@import url('./rsuite-no-reset.min.css');
@import url('./formengine-rsuite.css');
.rs-picker-select-menu.rs-picker-popup {
z-index: 2000;
}
```
## Modifying Forms
In the code of both forms, we will use a simple `renderFormEngineForm` function that will render the form into an HTML element.
The function accepts the following parameters:
1. `form` is the JSON of the form.
2. `container` is the HTML element where the form will be rendered.
3. `additionalProps` are the additional [properties](/api-reference/interfaces/react_form_builder_core.FormViewerProps) of
the [FormViewer](/api-reference/modules/react_form_builder_core#formviewer) component.
```javascript
function renderFormEngineForm(form, container, additionalProps) {
const viewerRef = {current: null};
const viewerBundle = window.FormEngineViewerBundle;
const components = viewerBundle.rSuiteComponents;
const view = components.view.withViewerWrapper(components.RsLocalizationWrapper);
const props = {
getForm: () => form,
view,
viewerRef,
...additionalProps
};
viewerBundle.renderFormViewerTo(container, props);
return viewerRef;
}
```
Each form's code will have its own `renderCamundaForm` function that will link the FormEngine form and the Camunda form, which is stored in
the `camForm` object. In general, the form code is similar to the forms from the React example. See the form code below for reference.
**start-form.html**
{% details Click to view start-form %}
```HTML
<script>
function renderFormEngineForm(form, container, additionalProps) {
const viewerRef = {current: null}
const viewerBundle = window.FormEngineViewerBundle;
const components = viewerBundle.rSuiteComponents;
const view = components.view
.withViewerWrapper(components.RsLocalizationWrapper);
const props = {
getForm: () => form,
view,
viewerRef,
...additionalProps
}
viewerBundle.renderFormViewerTo(container, props);
return viewerRef;
}
function onSubmit(camForm, formRef) {
const formData = formRef.current.formData.data;
// the file data was saved via a user action to a user state
const userState = formRef.current.formData.state;
camForm.variableManager.createVariable({
'name': 'invoiceDocument',
'type': 'File',
'value': userState.invoiceDocument,
'valueInfo': {filename: 'invoice.pdf'},
isDirty: true
}
);
camForm.variableManager.createVariable({
'name': 'creditor',
'type': 'String',
'value': formData.creditor,
isDirty: true
}
);
camForm.variableManager.createVariable({
'name': 'amount',
'type': 'Double',
'value': formData.amount,
isDirty: true
}
);
camForm.variableManager.createVariable({
'name': 'category',
'type': 'String',
'value': formData.invoiceCategory,
isDirty: true
}
);
camForm.variableManager.createVariable({
'name': 'invoiceID',
'type': 'String',
'value': formData.invoiceNumber,
isDirty: true
}
);
}
function renderCamundaForm(elementId, camForm) {
const form = `
{
"version": "1",
"actions": {
"onChange": {
"body": " const setInvoiceDocument = document => e.store.formData.state['invoiceDocument'] = document;\\n\\n const blobFile = e.args[0]?.[0]?.blobFile;\\n if (blobFile) {\\n const reader = new FileReader();\\n reader.readAsDataURL(blobFile);\\n reader.onload = () => {\\n setInvoiceDocument(reader.result.replace(/^data:(.*;base64,)?/, ''));\\n };\\n reader.onerror = () => {\\n setInvoiceDocument(undefined);\\n }\\n } else {\\n setInvoiceDocument(undefined);\\n }",
"params": {}
}
},
"form": {
"key": "Screen",
"type": "Screen",
"props": {},
"children": [
{
"key": "RsContainer 1",
"type": "RsContainer",
"props": {},
"children": [
{
"key": "RsLabel 1",
"type": "RsLabel",
"props": {
"text": {
"value": "Invoice Document:"
}
}
},
{
"key": "invoiceDocument",
"type": "RsUploader",
"props": {
"autoUpload": {
"value": false
}
},
"events": {
"onChange": [
{
"name": "onChange",
"type": "code"
}
]
}
}
]
},
{
"key": "creditor",
"type": "RsInput",
"props": {
"label": {
"value": "Creditor:"
},
"placeholder": {
"value": "e.g. \\"Super Awesome Pizza\\""
},
"size": {
"value": "md"
}
}
},
{
"key": "amount",
"type": "RsNumberFormat",
"props": {
"label": {
"value": "Amount:"
},
"placeholder": {
"value": "e.g. \\"30.00\\""
},
"allowNegative": {
"value": false
}
}
},
{
"key": "invoiceCategory",
"type": "RsDropdown",
"props": {
"label": {
"value": "Invoice Category:"
},
"data": {
"value": [
{
"value": "Travel Expenses",
"label": "Travel Expenses"
},
{
"value": "Business Meals",
"label": "Business Meals"
},
{
"value": "Other",
"label": "Other"
}
]
},
"value": {
"value": ""
}
}
},
{
"key": "invoiceNumber",
"type": "RsInput",
"props": {
"placeholder": {
"value": "e.g. \\"I-12345\\""
},
"label": {
"value": "Invoice Number:"
}
}
}
]
},
"localization": {},
"languages": [
{
"code": "en",
"dialect": "US",
"name": "English",
"description": "American English",
"bidi": "ltr"
}
],
"defaultLanguage": "en-US"
}`
const viewerContainer = document.getElementById(elementId);
const formRef = renderFormEngineForm(form, viewerContainer);
camForm.on('submit', () => {
onSubmit(camForm, formRef)
});
}
</script>
<form class='form-horizontal'>
<div id="formViewerContainer"></div>
<script cam-script type='text/form-script'>
renderCamundaForm('formViewerContainer', camForm);
</script>
</form>
```
{% enddetails %}
**task-form.html**
{% details Click to view task-form %}
title="task-form.html" {2,18,20,51,150-168,173,194}
```html
<script>
function renderFormEngineForm(form, container, additionalProps) {
const viewerRef = {current: null}
const viewerBundle = window.FormEngineViewerBundle;
const components = viewerBundle.rSuiteComponents;
const view = components.view
.withViewerWrapper(components.RsLocalizationWrapper);
const props = {
getForm: () => form,
view,
viewerRef,
...additionalProps
}
viewerBundle.renderFormViewerTo(container, props);
return viewerRef;
}
function renderCamundaForm(elementId, camForm, scope) {
const camVars = camForm.variableManager.variables;
const invoiceUrl = camVars.invoiceDocument.contentUrl;
const form = `{
"version": "1",
"form": {
"key": "Screen",
"type": "Screen",
"props": {},
"children": [
{
"key": "RsContainer 1",
"type": "RsContainer",
"props": {},
"children": [
{
"key": "RsLabel 1",
"type": "RsLabel",
"props": {
"text": {
"value": "Download Invoice:"
}
}
},
{
"key": "invoiceDocument",
"type": "RsLink",
"props": {
"text": {
"value": "invoice.pdf"
},
"href": {
"value": "${invoiceUrl}"
}
}
}
]
},
{
"key": "amount",
"type": "RsNumberFormat",
"props": {
"label": {
"value": "Amount:"
},
"placeholder": {
"value": ""
},
"allowNegative": {
"value": false
},
"readOnly": {
"value": false
},
"disabled": {
"value": true
}
}
},
{
"key": "creditor",
"type": "RsInput",
"props": {
"label": {
"value": "Creditor:"
},
"placeholder": {
"value": ""
},
"size": {
"value": "md"
},
"disabled": {
"value": true
}
}
},
{
"key": "category",
"type": "RsInput",
"props": {
"label": {
"value": "Invoice Category:"
},
"disabled": {
"value": true
}
}
},
{
"key": "invoiceID",
"type": "RsInput",
"props": {
"placeholder": {
"value": ""
},
"label": {
"value": "Invoice Number:"
},
"disabled": {
"value": true
}
}
},
{
"key": "approve",
"type": "RsCheckbox",
"props": {
"children": {
"value": "I approve this Invoice"
},
"checked": {
"value": false
}
}
}
]
},
"localization": {},
"languages": [
{
"code": "en",
"dialect": "US",
"name": "English",
"description": "American English",
"bidi": "ltr"
}
],
"defaultLanguage": "en-US"
}`
const additionalProps = {
initialData: {
amount: camVars.amount.value,
creditor: camVars.creditor.value,
invoiceID: camVars.invoiceID.value,
approved: camVars.approved.value,
category: camVars.category.value
},
onFormDataChange: ({data, errors}) => {
camForm.variableManager.variableValue('approved', data.approve);
if (data.approve !== camVars.approved.value) {
// Activate 'save' button
scope.$$camForm.$dirty = true;
}
}
}
const viewerContainer = document.getElementById(elementId);
renderFormEngineForm(form, viewerContainer, additionalProps);
}
</script>
<form class='form-horizontal'>
<div id='formViewerContainer'/>
<script cam-script type='text/form-script'>
// Fetch Variables and create new ones
camForm.on('form-loaded', function () {
camForm.variableManager.createVariable({
'name': 'approved',
'type': 'Boolean',
'value': false,
isDirty: true
});
camForm.variableManager.fetchVariable('amount');
camForm.variableManager.fetchVariable('creditor');
camForm.variableManager.fetchVariable('invoiceID');
camForm.variableManager.fetchVariable('invoiceDocument');
camForm.variableManager.fetchVariable('category');
});
camForm.on('variables-applied', function () {
renderCamundaForm('formViewerContainer', camForm, $scope);
});
</script>
</form>
```
{% enddetails %}
**The JSON for the form and the basic code for rendering the form are included in HTML files for this example. In practice, it's likely
better to use a separate JavaScript module.**
## Running FormEngine Forms in Camunda
1. **Deploy the FormEngine Forms:**
- Open Camunda Modeler and click the rocket icon button.
- Delete the selected forms `start-form.html` and `task-form.html`.
- Add the forms created for FormEngine.
- Click the Deploy button.
2. **Open the Camunda Tasklist Web Interface:**
- Navigate to [http://localhost:8080/camunda/app/tasklist/](http://localhost:8080/camunda/app/tasklist/) and refresh the page.
3. **Start the Process:**
- Click on the “Start Process” button on the top panel.
- Select "React example" in the "Start process" window. You should see the form made with FormEngine.
4. **Fill Out the Form and Start the Process:**
- Fill out the form and click the Start button.
- The process has started. Now click on "All Tasks" on the left panel.
5. **Select and Claim the Task:**
- Select the created task from the top.
- Claim the task by clicking on the "Claim" link. The link text will change to "Demo Demo".
6. **Verify Task Variables and Fill Out the Form:**
- You should see that the variables have been populated. Click on the link next to the highlighted text "React Example".
- The form should be correctly filled out.
- Fill out the form and click Complete.
That's it! Your FormEngine forms are now running in Camunda.
## Conclusion
In this article, we have successfully connected FormEngine as a form rendering engine for Camunda. This allows you to use your custom
components to render forms by passing a set of your components through properties.
**Your feedback is very important to us**
It helps us understand whether this guide was useful to you, how clearly it was written, and what else you would like to learn about. Please ask your questions in the comments or start discussions on [GitHub](https://github.com/optimajet/formengine/discussions).
| optimajet |
1,882,898 | laravel reverb installation process and setup with common mistakes | Installing and setting up Reverb in a Laravel project involves several steps. Reverb is a package... | 0 | 2024-06-10T09:16:19 | https://dev.to/masumrahmanhasan/laravel-reverb-installation-process-and-setup-with-common-mistakes-4elb | laravel, reverb, broadcasting, realtime |
Installing and setting up Reverb in a Laravel project involves several steps. Reverb is a package that allows for a quick implementation of real-time broadcasting features in a Laravel application. Here's a step-by-step guide:
## Prerequisites
- Laravel Installation: Ensure you have a Laravel project set up.
- Composer: Make sure Composer is installed on your system.
- Node.js and npm: These are required for front-end dependencies.
- Step 1: Install Laravel Echo and Pusher
- Install Laravel Echo: Laravel Echo is a JavaScript library that makes it easy to work with WebSockets in Laravel.
- Install Pusher: Pusher is a WebSocket service that is commonly used with Laravel Echo.
## Step 1: Install Laravel Reverb. You may install Reverb using the install:broadcasting Artisan command:
```
php artisan install:broadcasting
```
Behind the scenes, the `install:broadcasting` Artisan command will run the `reverb:install` command, which will install Reverb with a sensible set of default configuration options. If you would like to make any configuration changes, you may do so by updating Reverb's environment variables or by updating the config/reverb.php configuration file.
You may define these credentials using the following environment variables:
```
REVERB_APP_ID=my-app-id
REVERB_APP_KEY=my-app-key
REVERB_APP_SECRET=my-app-secret
```
If you are using auth but no api then you dont have to use any other extra configuration but there are several configurations for some api authentication system. Lets configure for those
## Sanctum or Passport
if you are using sanctum api authentication then you have to set some things while using the ECHO
```
import Echo from 'laravel-echo';
import Pusher from 'pusher-js';
window.Pusher = Pusher;
window.Echo = new Echo({
broadcaster: 'reverb',
key: import.meta.env.VITE_REVERB_APP_KEY,
wsHost: import.meta.env.VITE_REVERB_HOST,
wsPort: import.meta.env.VITE_REVERB_PORT,
wssPort: import.meta.env.VITE_REVERB_PORT,
forceTLS: (import.meta.env.VITE_REVERB_SCHEME ?? 'https') === 'https',
enabledTransports: ['ws', 'wss'],
auth: {
headers: {
Authorization: useCookie('accessToken').value, // If using token-based auth
},
},
});
```
as you can see i have added auth param in the echo. if you dont use this for private channel it will give you error. So you need to pass the authentication token. cause by default the route middleware is `auth`
and also you need to add a special thing on the `channel.php` file without that your private channel will not work for token based authentication
```
Broadcast::routes(['middleware' => ['auth:sanctum']]);
```
if you use other token based authentication then add that middleware here in `channel.php`
This will solve the 403 forbidden issue for private channel
| masumrahmanhasan |
1,882,927 | Multiple HTML Files Using Webpack | Frameworks like React and Vue are single-page applications, which means generating a single HTML file... | 0 | 2024-06-10T09:13:36 | https://dev.to/markliu2013/multiple-html-files-using-webpack-1116 | webpack | Frameworks like React and Vue are single-page applications, which means generating a single HTML file with all JS referenced and executed within this page.
In this article, we're going to discuss how to package multi-page application in webpack, that is, generating multiple HTML files during the packaging process, because there might still be scenarios where multi-page applications are used in some older project.
We will use the html-webpack-plugin to achieve this.
## Let's Write Some Code
Besides the entry file index.js, we will create two more files: list.js and detail.js. We will use these three as the files to be bundled.
```js
// index.js
import React, { Component } from 'react';
import { createRoot } from 'react-dom/client';
class App extends Component {
render() {
return <div>Index Page</div>;
}
}
const root = createRoot(document.getElementById('app'));
root.render(React.createElement(App));
// list.js
import React, { Component } from 'react';
import { createRoot } from 'react-dom/client';
class App extends Component {
render() {
return <div>List Page</div>;
}
}
const root = createRoot(document.getElementById('app'));
root.render(React.createElement(App));
// details.js
import React, { Component } from 'react';
import { createRoot } from 'react-dom/client';
class App extends Component {
render() {
return <div>Details Page</div>;
}
}
const root = createRoot(document.getElementById('app'));
root.render(React.createElement(App));
```
Now we have three pages, and I want to generate three HTML pages: index.html, list.html, and details.html. How should we configure this?
## Configuring Multiple Entries
Now that we have three js files, we need to configure three entry points:
```js
...
module.exports = {
entry: {
main: "./src/index.js",
list: "./src/list.js",
details: "./src/details.js",
},
output: {
clean: true,
path: path.resolve(__dirname, 'dist'),
filename: '[name].[contenthash].js',
chunkFilename: '[name].[contenthash].chunk.js'
},
plugins: [
new HtmlWebpackPlugin({
template: 'src/index.html', // to import index.html file inside index.js
filename: 'index.html',
})
],
optimization: {
usedExports: true,
runtimeChunk: {
name: 'runtime',
},
splitChunks: {
chunks: 'all',
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
priority: -10,
name: 'vendors',
}
}
},
...
}
...
```
After running 'npm run build', we can see that it has bundled details..js and list..js:
However, there is only one HTML file, and this HTML page includes all the js files we have bundled.
This is not the result we want. What we want is to include index.js in index.html, list.js in list.html, and details.js in details.html.
In this case, we need to use html-webpack-plugin to help us generate several more pages, and include the corresponding js files or chunks.
## Configuring html-webpack-plugin
To generate multiple HTML files, we still need to use the handy tool html-webpack-plugin. It has many parameters that you can refer to in the official html-webpack-plugin documentation. Here, we will use the 'filename' and 'chunks' parameters, which correspond to the names of the generated HTML files and the chunks to be included in the page, respectively. We modify the webpack.config.js configuration and add two more instances of html-webpack-plugin:
```js
...
module.exports = {
entry: {
main: "./src/index.js",
list: "./src/list.js",
details: "./src/details.js",
},
...
plugins: [
...
new HtmlWebpackPlugin({
template: 'src/index.html',
filename: 'index.html',
chunks: ['runtime', 'vendors', 'main'],
}),
new HtmlWebpackPlugin({
template: 'src/index.html',
filename: 'list.html',
chunks: ['runtime', 'vendors', 'list'],
}),
new HtmlWebpackPlugin({
template: 'src/index.html',
filename: 'details.html',
chunks: ['runtime', 'vendors', 'details'],
}),
...
],
optimization: {
usedExports: true,
runtimeChunk: {
name: 'runtime',
},
splitChunks: {
chunks: 'all',
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
priority: -10,
name: 'vendors',
}
}
},
},
}
...
```
The 'chunks' configuration in HtmlWebpackPlugin refers to the JavaScript files, which are included into the HTML after being bundled by webpack.
Let's re-package it by running 'npm run build'. Three HTML files are generated in the 'dist' directory, and each HTML file includes the corresponding JavaScript:
### index.html
### list.html
### details.html
Everything has been successfully bundled. When we open each page, they all run normally.
## Configuration Optimization
If we add a new entry point, we need to manually add another html-webpack-plugin and set the corresponding parameters.
How do we automatically add a new html-webpack-plugin based on the entry point, let's just do it.
We can assemble the html-webpack-plugin based on the entry file:
```js
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const entry = {
main: "./src/index.js",
list: "./src/list.js",
detail: "./src/detail.js",
}
module.exports = {
...
entry: entry,
output: {
clean: true,
path: path.resolve(__dirname, 'dist'),
filename: '[name].[contenthash].js',
chunkFilename: '[name].[contenthash].chunk.js'
},
plugins: [
...Object.keys(entry).map(item => // loop entry files and map HtmlWebpackPlugin
new HtmlWebpackPlugin({
template: 'src/index.html',
filename: `${item}.html`,
chunks: ['runtime', 'vendors', item]
})
)
],
optimization: {
usedExports: true,
runtimeChunk: {
name: 'runtime',
},
splitChunks: {
chunks: 'all',
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
priority: -10,
name: 'vendors',
}
}
},
}
...
};
```
Let's re-package it by running 'npm run build'. The page has been successfully bundled.
At this point, when we add a new entry, all we need to do is configure the entry file. For example, if we want to add a 'userInfo' page, we just need to configure it in the entry file:
```js
entry: {
index: "./src/index.js",
list: "./src/list.js",
details: "./src/details.js",
userInfo: "./src/userInfo.js"
},
```
| markliu2013 |
1,882,942 | Introducing MARS5, open-source, insanely prosodic text-to-speech (TTS) model. | CAMB.AI introduces MARS5, a fully open-source (commercially usable) TTS with break-through prosody... | 0 | 2024-06-10T09:12:47 | https://dev.to/akshat_prakash_ffa10d8bcb/introducing-mars5-open-source-insanely-prosodic-text-to-speech-tts-model-2hn9 | speech, ai, machinelearning | 
CAMB.AI introduces MARS5, a fully open-source (commercially usable) TTS with break-through prosody and realism available on our Github: https://www.github.com/camb-ai/mars5-tts
Watch our full release video here:
https://www.youtube.com/watch?v=bmJSLPYrKtE
**Why is it different?**
MARS5 is able to replicate performances (from 2-3s of audio reference) in 140+ languages, even for extremely tough prosodic scenarios like sports commentary, movies, anime and more; hard prosody that most closed-source and open-source TTS models struggle with today.
We're excited for you to try, build on and use MARS5 for research and creative applications. Let us know any feedback on our [Discord](https://discord.gg/ZzsKTAKM)!
| akshat_prakash_ffa10d8bcb |
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A LAMP stack is a combination of at least 4 different technologies used in tandem to create a fully functioning web server or web application.
The complete components of a LAMP stack include:
1. Linux machine (Ubuntu)
2. Apache web server
3. MySQL database
4. PHP
The installation of this stack will be done using a executable bash script that can be used on any debian based linux distro.
First create a file named LAMP.sh which is the file where our bash script will be stored, and will also be later executed.
Next make the file executable by going to the folder where the file is located and execute the following command
chmod -x LAMP.sh
We can now begin scripting the installation file by editing the LAMP.sh file. You can do this using a cli based file editor such as vim or nano, or you can use a gui based text editor (recommended for beginners).
#!/bin/bash
# Update the package lists for upgrades and new package installations
sudo apt-get update
# Install MySQL server and client, Expect, Apache2, PHP, and various PHP extensions
sudo apt install -y mysql-server mysql-client expect apache2 php libapache2-mod-php php-mysql php8.2 php8.2-curl php8.2-dom php8.2-xml php8.2-mysql php8.2-sqlite3 php8.3 php8.3-curl php8.3-dom php8.3-xml php8.3-mysql php8.3-sqlite3
# Add the PPA repository for PHP maintained by Ondřej Surý
sudo add-apt-repository -y ppa:ondrej/php
# Update the package lists again to include packages from the new repository
sudo apt-get update
echo "Done with installations"
# Start the MySQL service
sudo systemctl start mysql.service
# Start the Apache2 service
sudo systemctl start apache2.service
# Start the MySQL secure installation process
# The expect command is used to automate responses to interactive prompts
sudo expect <<EOF
spawn mysql_secure_installation
# Set the timeout for expect commands
set timeout 1
# Handle the password validation prompt. If not present, skip.
expect {
"Press y|Y for Yes, any other key for No:" {
send "y\r"
expect "Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG:"
send "0\r"
}
"The 'validate_password' component is installed on the server." {
send_user "Skipping VALIDATE PASSWORD section as it is already installed.\n"
}
}
expect "Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG:"
send "0\r"
expect "Remove anonymous users? (Press y|Y for Yes, any other key for No) :"
send "y\r"
expect "Disallow root login remotely? (Press y|Y for Yes, any other key for No) :"
send "n\r"
expect "Remove test database and access to it? (Press y|Y for Yes, any other key for No) :"
send "y\r"
expect "Reload privilege tables now? (Press y|Y for Yes, any other key for No) :"
send "y\r"
expect eof
EOF
echo "MySQL secure installation setup complete."
# Ensure MySQL service is started
sudo systemctl start mysql
# Execute MySQL commands to create the database, user, and grant privileges
sudo mysql -uroot <<MYSQL_SCRIPT
CREATE DATABASE IF NOT EXISTS webserver;
CREATE USER IF NOT EXISTS 'User1'@'localhost' IDENTIFIED BY 'Password123';
GRANT ALL PRIVILEGES ON webserver.your_table TO 'User1'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;
MYSQL_SCRIPT
echo "Database and user created."
# Enable the Apache mod_rewrite module
sudo a2enmod rewrite
# Create the directory for the new virtual host
sudo mkdir -p /var/www/demo.com
# Change the ownership of the directory to the current user
sudo chown -R $USER:$USER /var/www/demo.com
# Set permissions for the directory
sudo chmod -R 755 /var/www/demo.com
# Create an index.html file with a simple HTML content and save it in the relevant file
sudo bash -c 'cat <<EOF > /var/www/demo.com/index.html
<html>
<head>
<title>Welcome to Your_domain!</title>
</head>
<body>
<h1>Success! The your_domain virtual host is working!</h1>
</body>
</html>
EOF'
echo "HTML file created at /var/www/demo.com/index.html"
# Create the virtual host configuration file for 'demo.com'
sudo bash -c 'cat <<EOF > /etc/apache2/sites-available/demo.com.conf
<VirtualHost *:80>
ServerAdmin webmaster@localhost
ServerName demo.com
ServerAlias www.demo.com
DocumentRoot /var/www/demo.com
ErrorLog \${APACHE_LOG_DIR}/error.log
CustomLog \${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
EOF'
echo "Virtual hosting configured"
# Enable the new virtual host configuration
sudo a2ensite demo.com.conf
# Disable the default virtual host configuration
sudo a2dissite 000-default.conf
# Restart Apache2 service to apply the changes
sudo systemctl restart apache2
Execute the script using this command
./LAMP.sh
or using
bash LAMP.sh
| oyololatoni |
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1,881,314 | MVC Example - Display Information Based on URL | In this tutorial, we want to teach you a practical MVC project (series website). In the project, we... | 27,500 | 2024-06-10T09:06:02 | https://dev.to/elanatframework/mvc-example-display-information-based-on-url-2309 | tutorial, dotnet, beginners, backend | In this tutorial, we want to teach you a practical MVC project (series website). In the project, we check the sent URL values in the Controller and send the appropriate response.
## Activation of static files in ASP.NET Core
In this project, we call the data from XML and put it in the Model and respond to the user. This project has static image and style files and we need to configure the middleware to support static files in ASP.NET Core first.
To support static files, simply call `app.UseStaticFiles()` middleware before `app.UseCodeBehind()` middleware.
Config for support static files
```diff
var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();
+app.UseStaticFiles();
SetCodeBehind.CodeBehindCompiler.Initialization();
app.UseCodeBehind();
app.Run();
```
## Add static file
In Visual Studio Code, we first create a directory named `style` in the `wwwroot` directory and then create a file named `series.css` in it and add the following style in it:
CSS file
```css
.series_item
{
float: left;
display: table;
margin: 10px;
border-bottom: 4px solid #eee;
}
.series_item a
{
text-decoration: none;
color: #555;
}
.series_item h2
{
background-color: #eee;
text-align: center;
}
.series_item img
{
height: 570px;
width: 320px;
object-fit: cover;
border-radius: 10px;
}
.series_content p
{
line-height: 24px;
color: #444;
}
.series_content img
{
max-width: 900px;
}
```
In this project, we want to show the image of the series. For this, we first create a directory named `image` in the `wwwroot` directory and then put 4 photos related to the series in it.
You can find photos on the Internet:
- Joy-of-Life-season-2-poster.jpg
- first-sword-of-wudang-poster.jpg
- demi-gods-and-semi-devils-poster.jpg
- side-story-of-fox-volant-poster.jpg
## Series data
We want to retrieve series data from an XML file. To create it, we first create a directory named `data` in our project directory and then create a file named `series_list.xml` in it and add the following data in it:
XML data
```xml
<?xml version="1.0" encoding="UTF-8"?>
<series_lis>
<series>
<title>Joy of Life Season 2</title>
<url_value>joy-of-life-season-2</url_value>
<genre>Romantic, Fantasy, Comedy, Wuxia</genre>
<year>2024</year>
<rating>8.9</rating>
<image>Joy-of-Life-season-2-poster.jpg</image>
<about>Fan Xian, the illegitimate son of the finance minister found love with Lin Wan Er, the daughter of the Princess Royal. They wanted to live peaceful lives, but a scheming prince plotted his demise. Fan Xian was forced to fake his death to escape certain doom. Now, he has decided to return to learn the truth behind a dastardly conspiracy. Can he break through the webs of lies and deceit to expose the plotters - and live happily ever after with his beloved bride?</about>
</series>
<series>
<title>First Sword of Wudang</title>
<url_value>first-sword-of-wudang</url_value>
<genre>Historical, Romantic, Wuxia</genre>
<year>2021</year>
<rating>7.3</rating>
<image>first-sword-of-wudang-poster.jpg</image>
<about>During the late Ming dynasty, a time when the nation faced enemies externally and within, the young hero Geng Yu Jing discovered that his birth parents' death was due to a conspiracy that snared the pugilist world. As he embarked on a journey of self-discovery traveling back to his birthplace at Northeast frontiers of China, he uncovered dark secrets of the past, found warm friendship, and romance but also sorrow and enmity. These adventures eventually shaped him to became the legend known as the 'First Sword of Wudang'.</about>
</series>
<series>
<title>Demi Gods and Semi Devils</title>
<url_value>demi-gods-and-semi-devils</url_value>
<genre>Historical, Romantic, Comedy, Wuxia</genre>
<year>2021</year>
<rating>7.5</rating>
<image>demi-gods-and-semi-devils-poster.jpg</image>
<about>Set under the reign of Emperor Zhe Zong of Song, the story revolves around the experiences of Qiao Feng, leader of the beggar clan, Duan Yu, a prince of Dali and Xu Zhu, a Shaolin monk. The three protagonists become sworn brothers during their journey in the pugilistic world.
Qiao Feng is the courageous leader of the beggar clan. Many look up to him as a hero for defending the people of Song. When Qiao Feng is accused of being of Khitan descent and labeled a traitor, he is shunned by his fellow martial artists. In Qiao Feng's quest to clear his name, he comes to learn the truth about his identity and meets the love of his life. He also crosses paths with Dali Prince Duan Yu and Shaolin Monk Xu Zhu.
Duan Yu is a cheerful and bright young prince of Dali. Because of his peace-loving tendencies, he runs away to avoid being forced to learn martial arts but ends up inadvertently mastering powerful martial arts techniques. Successively, he meets Mu Wan Qing and Zhong Ling and falls deeply in love with Wang Yu Yan and her godlike beauty. However, Wang Yu Yan only has eyes for her cousin Murong Fu which complicates their relationship.
Shaolin Monk Xu Zhu is innately pure. After being guided by a martial arts master, he also becomes a powerful martial artist. It starts the kind-hearted monk on an adventure he never imagined for himself. Caught in the conflict between Song and Liao, three intertwining stories are brought together in a story about their heroism.</about>
</series>
<series>
<title>Side Story of Fox Volant</title>
<url_value>side-story-of-fox-volant</url_value>
<genre>Romantic, Wuxia</genre>
<year>2022</year>
<rating>8.3</rating>
<image>side-story-of-fox-volant-poster.jpg</image>
<about>In a realm dominated by martial arts experts, heroes, and villains, Hu Fei is a young, brave, justice-loving man on a quest for revenge. His father was killed, leaving him an orphan and thirsting for vengeance. During his quest, he encounters a tyrannical warlord who he believes has wronged him and others. But things get complicated when he then falls for that same warlord's daughter, the stunning Yuan Zi Yi.
Hu Fei begins to mature and also becomes involved in a mission to find a medical cure that will help restore the vision of his sworn uncle, legendary hero Miao Ren Fang, who he has long believed was responsible for his father’s death. While he searches for this medicine, he meets the young female apprentice of the Poison Hand Medicine King, a woman named Cheng Ling Su. She develops feelings for him, too, complicating matters of the heart.
As his journey leads him to meet more martial artists and learn from them, Hu Fei starts to suspect that his father's death did not quite happen in the way he originally believed. Will he ever learn the true identity of the killer? Where will his quest for justice ultimately lead?</about>
</series>
</series_lis>
```
## Series Models
We create a Model named `SeriesModel` for series information as below.
SeriesModel
```csharp
public class SeriesModel
{
public int SeriesId { get; set; }
public string SeriesTitle { get; set; }
public string SeriesUrlValue { get; set; }
public string SeriesGenre { get; set; }
public string SeriesImage { get; set; }
public string SeriesRating { get; set; }
public string SeriesYear { get; set; }
public string SeriesAbout { get; set; }
}
```
We also create a Model with the name `SeriesModelList` as below.
SeriesModelList
```csharp
public class SeriesModelList
{
public List<SeriesModel> SeriesModels = new List<SeriesModel>();
}
```
## Series Views
In this project we want to have two pages, one to display the list of movies and one to display the movies individually with more information.
First, we create a directory called `series_page` in the `wwwroot` directory.
We add a file called `content.aspx` in the `series_page` directory and put the following contents in it:
View (content.aspx)
```html
@page
@model {SeriesModel}
@break
<!DOCTYPE html>
<html>
<head>
<title>@model.SeriesTitle</title>
<link rel="stylesheet" type="text/css" href="/style/series.css" />
</head>
<body>
<div class="series_content">
<h2>Series name: @model.SeriesTitle</h2>
<img src="/image/@model.SeriesImage" alt="@model.SeriesTitle">
<p>Genre: @model.SeriesGenre</p>
<p>Rating: @model.SeriesRating</p>
<p>Year: @model.SeriesYear</p>
<p>About: @model.SeriesAbout</p>
</div>
</body>
</html>
```
It is clear, we activated the `break` feature to prevent direct access to the path of this file.
We set `SeriesModel` as the Model on this page.
The `content.aspx` file is created to display a single series.
To display the list of movies, we add a file named `main.aspx` in the `series_page` directory and put the following contents in it:
View (Main.aspx)
```html
@page
@model {SeriesModelList}
@break
<!DOCTYPE html>
<html>
<head>
<title>Series information</title>
<link rel="stylesheet" type="text/css" href="/style/series.css" />
</head>
<body>
<h1>Series information</h1>
<hr>
@foreach(SeriesModel TmpModel in @model.SeriesModels)
{
<div class="series_item">
<a href="/series/@TmpModel.SeriesUrlValue">
<h2>@TmpModel.SeriesTitle</h2>
<img src="/image/@TmpModel.SeriesImage" alt="@TmpModel.SeriesTitle">
</a>
<p>Genre: @TmpModel.SeriesGenre</p>
<p>Rating: @TmpModel.SeriesRating</p>
<p>Year: @TmpModel.SeriesYear</p>
</div>
}
</body>
</html>
```
We also activated the break feature for this page.
We have set `SeriesModelList` as Model in this page. The `SeriesModelList` class contains a list of `SeriesModel` type named `SeriesModels`. We initialize the `SeriesModel` class once for each series in the Controller and add the `SeriesModels` class and then initialize the `SeriesModel` values in the View with a foreach loop.
As you know, in the modern architecture of the CodeBehind framework, there is no need to configure the Controller in the Route, and the requests reach the View path for the first time, then the View calls the Controller.
First, we create a directory named `series` in the `wwwroot` directory, then we create a new View file named `Default.aspx` in this directory and put the following codes in it:
View (Default.aspx)
```html
@page
@controller SeriesController
@section
```
## Prevent access Default.aspx
Before you develop a project in the CodeBehind framework, it is best to disable access to the `Default.aspx` path. To do this, first in the `code_behind` directory, edit the options file and set the `prevent_access_default_aspx` option to `true`.
options.ini
```ini
[CodeBehind options]; do not change order
...
prevent_access_default_aspx=true
```
We will soon provide a complete explanation of the options file in the CodeBehind framework.
## Series Controller
We create a Controller class according to the following codes:
SeriesController
```csharp
using System.Xml;
using CodeBehind;
public partial class SeriesController : CodeBehindController
{
public void PageLoad(HttpContext context)
{
XmlDocument doc = new XmlDocument();
doc.Load("data/series_list.xml");
if (Section.Count() == 1)
{
string Section0 = System.Web.HttpUtility.UrlEncode(Section.GetValue(0));
XmlNode SeriesNode = doc.SelectSingleNode("series_lis/series[url_value='" + Section0 + "']");
if (SeriesNode == null)
{
IgnoreViewAndModel = true;
Write("Series not exist!");
return;
}
SeriesModel model = new SeriesModel();
model.SeriesTitle = SeriesNode["title"].InnerText;
model.SeriesUrlValue = SeriesNode["url_value"].InnerText;
model.SeriesGenre = SeriesNode["genre"].InnerText;
model.SeriesImage = SeriesNode["image"].InnerText;
model.SeriesRating = SeriesNode["rating"].InnerText;
model.SeriesYear = SeriesNode["year"].InnerText;
model.SeriesAbout = SeriesNode["about"].InnerText;
View("/series_page/content.aspx", model);
}
else if (Section.Count() == 0)
{
SeriesModelList model = new SeriesModelList();
XmlNodeList SeriesListNode = doc.SelectSingleNode("series_lis").ChildNodes;
int i = 1;
foreach (XmlNode SeriesNode in SeriesListNode)
{
SeriesModel series = new SeriesModel();
series.SeriesId = i;
series.SeriesTitle = SeriesNode["title"].InnerText;
series.SeriesUrlValue = SeriesNode["url_value"].InnerText;
series.SeriesGenre = SeriesNode["genre"].InnerText;
series.SeriesImage = SeriesNode["image"].InnerText;
series.SeriesRating = SeriesNode["rating"].InnerText;
series.SeriesYear = SeriesNode["year"].InnerText;
model.SeriesModels.Add(series);
i++;
}
View("/series_page/main.aspx", model);
}
}
}
```
In the Controller class, the series information is first read from the XML file to be retrieved for display on the required pages. Then it checks Section to determine if the requested information is to display a specific series or a list of series.
If there is only one Section, that is, the request is to display a specific series, the corresponding model is created and sent to the content.aspx page. If there is no Section, that is, the request is to display the list of all series, the corresponding model is created and sent to the main.aspx page. Here, two models named SeriesModel and SeriesModelList are defined, which contain the information of each series (for single display) and a list of information of all series.
We run the project (F5 key). After running the project, You need to add the string `/series` to the URL.
If you enter the above path in the browser, you will see the following image in the browser.
Screenshot
We click on one of the series and then a URL is requested according to the pattern below.
`/series/series-url-value`
Example:
`/series/side-story-of-fox-volant`
If you enter the above path in the browser, you will see the following image in the browser.
Screenshot
In the next tutorial, we will teach you layouts. We add Layout to this very project so you can better understand the benefits of Layout.
### Related links
CodeBehind on GitHub:
https://github.com/elanatframework/Code_behind
CodeBehind in NuGet:
https://www.nuget.org/packages/CodeBehind/
CodeBehind page:
https://elanat.net/page_content/code_behind | elanatframework |
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## Key Features of VSCode Live Share
### 1. Real-Time Collaboration
VSCode Live Share allows developers to share their code with others in real-time. This means that changes made by one person are instantly visible to everyone in the session. It supports synchronous editing, making it ideal for pair programming, code reviews, and collaborative troubleshooting.
### 2. Shared Debugging
One of the standout features of Live Share is shared debugging. Developers can start a debugging session and invite others to join. This collaborative debugging capability allows team members to set breakpoints, inspect variables, and step through code together, which is invaluable for solving complex issues.
### 3. Shared Terminals
Live Share enables sharing of terminal sessions, allowing collaborators to run commands and scripts as if they were on the host's machine. This feature is particularly useful for tasks that require command-line interactions, such as running build scripts, database migrations, or deploying applications.
### 4. Audio and Text Chat
To facilitate communication, Live Share includes built-in audio and text chat features. This integration means that developers can discuss code, ask questions, and share insights without needing to switch between different communication tools.
### 5. Shared Servers
When working on web applications, Live Share can share localhost servers. This means that collaborators can view the running application in their browser, interact with it, and test changes in real-time. This feature is particularly useful for frontend and full-stack development.
### 6. Read-Only Mode
For scenarios where you want to share your code but prevent others from making changes, Live Share offers a read-only mode. This is useful for demonstrations, teaching, and scenarios where you want to maintain control over the codebase.
## Benefits of Using VSCode Live Share
### 1. Enhanced Collaboration
VSCode Live Share significantly enhances collaboration by allowing developers to work together in real-time, regardless of their physical location. This capability is particularly beneficial for remote teams and distributed workforces, fostering a sense of teamwork and cohesion.
### 2. Improved Productivity
Real-time collaboration tools like Live Share can lead to improved productivity. Developers can quickly seek help, share knowledge, and resolve issues collaboratively, reducing the time spent on debugging and problem-solving.
### 3. Effective Pair Programming
Pair programming is a proven practice for improving code quality and knowledge sharing. Live Share makes it easy to implement pair programming remotely, enabling developers to work together as if they were sharing the same desk.
### 4. Seamless Onboarding
For new team members, Live Share can be an invaluable onboarding tool. Experienced developers can guide newcomers through the codebase, explain architectural decisions, and help them get up to speed more quickly.
### 5. Flexibility
Live Share offers flexibility in collaboration. Whether you need to conduct a quick code review, debug a tricky issue, or teach someone a new concept, Live Share adapts to various collaborative scenarios.
## Use Cases for VSCode Live Share
### 1. Pair Programming
Pair programming involves two developers working together on the same code. One developer writes the code (the "driver"), while the other reviews each line of code as it is written (the "navigator"). Live Share is perfect for remote pair programming, providing a seamless experience for both roles.
### 2. Code Reviews
Code reviews are essential for maintaining code quality. Live Share allows reviewers to view and interact with the code in real-time, ask questions, and suggest changes on the spot. This interactive approach can make code reviews more efficient and thorough.
### 3. Collaborative Debugging
Debugging complex issues can be challenging when working alone. Live Share's shared debugging feature allows multiple developers to investigate and resolve issues together, leveraging collective knowledge and expertise.
### 4. Teaching and Mentoring
Live Share is an excellent tool for teaching and mentoring. Instructors can demonstrate coding techniques, walk through code examples, and provide real-time feedback. Students can ask questions and get immediate assistance, enhancing the learning experience.
### 5. Distributed Team Collaboration
For teams spread across different locations, Live Share offers a way to collaborate as if they were in the same office. Team members can work together on projects, hold virtual coding sessions, and maintain a strong sense of connection.
### 6. Hackathons and Coding Competitions
Live Share can be used in hackathons and coding competitions where collaboration is key. Teams can work together on their projects in real-time, share insights, and make rapid progress.
## Best Practices for Using VSCode Live Share
### 1. Setting Up Live Share
To get started with Live Share, you need to install the VSCode Live Share extension. Once installed, you can start a session by clicking on the Live Share button in the status bar or using the command palette.
**Installation Steps:**
1. Open VSCode.
2. Go to the Extensions view (Ctrl+Shift+X).
3. Search for "Live Share" and install the extension.
4. After installation, sign in with your Microsoft or GitHub account to enable collaboration features.
### 2. Sharing a Session
To share your session, click on the Live Share button and select "Start collaboration session." You will receive a link that you can share with your collaborators. They can join the session by clicking on the link and opening it in their VSCode.
### 3. Managing Permissions
Live Share allows you to manage permissions for your session. You can control who can join, whether they can edit the code, and if they can access shared terminals and debugging sessions. Use these settings to ensure your session remains secure and controlled.
### 4. Communication
Effective communication is crucial for successful collaboration. Use the built-in audio and text chat features to discuss code, ask questions, and provide feedback. Clear and concise communication helps avoid misunderstandings and keeps the session productive.
### 5. Session Management
Keep your Live Share sessions organized by managing active sessions, setting session descriptions, and ensuring everyone knows the session's goals. This helps keep everyone on the same page and focused on the task at hand.
### 6. Security Considerations
When sharing your codebase, be mindful of security and privacy. Ensure that sensitive information, such as credentials and personal data, is not exposed during the session. Use Live Share's permission settings to restrict access as needed.
### 7. Post-Session Review
After a Live Share session, take time to review the changes made and the insights gained. This review process helps reinforce learning, identify areas for improvement, and ensure that all participants are aligned on the next steps.
## Conclusion
VSCode Live Share is a powerful tool that transforms how developers collaborate and pair program. By enabling real-time collaboration, shared debugging, and seamless communication, Live Share enhances productivity, fosters teamwork, and supports various use cases, from pair programming to teaching and mentoring.
Whether you are part of a remote team, involved in a hackathon, or looking to improve your pair programming practices, Live Share offers the flexibility and functionality needed to succeed. By following best practices and leveraging the full potential of this tool, you can create a collaborative environment that drives innovation, improves code quality, and strengthens your development efforts.
Embrace VSCode Live Share to unlock the power of real-time collaboration and take your coding experience to new heights. | umeshtharukaofficial |
1,867,369 | How to do great live demos—and why they’re important to get right | Live demos are a staple of digital teams. They’re the most efficient way to show progress and get... | 0 | 2024-06-10T09:05:29 | https://measured.co/blog/how-to-do-great-live-demos/ | communications, demo | Live demos are a staple of digital teams. They’re the most efficient way to show progress and get feedback about your project. Seeing working products, services and features in action is the best way to help people understand them quickly and easily, hence: [show the thing](https://gds.blog.gov.uk/2016/05/31/why-showing-the-thing-to-everyone-is-important/).
And they’re important to do well. Good demos build trust in what you’re building, and the people building them. But because they’re so ingrained in our work cycles, they can become stale. Here’s what we’ve learned works well over our years of practice. Hopefully this will help keep your demos interesting and useful to others. (Feedback welcome!)
What we mean by live demo
-------------------------
By a live demo, we mean one that’s happening now. But not necessarily in person. Online demos have become normal. They’re easiest for large, distributed organisations, which is why we advocate for remote-friendly tools.
We’re working on the assumption you’ll use your organisation’s preferred calls and screen-sharing app, whether that’s Teams, Zoom, Hangouts or whatever.
What, when and who?
-------------------
We recommend breaking out of the cycle of demoing anything just because a sprint schedule says it’s time. If you have something interesting to show at the end of a sprint: great.
If you find yourself wondering what to demo, that’s a sign that things can be improved. Do away with “demos” that amount to status updates. Status updates are useful, but not interesting. Write [week notes](https://interconnected.org/home/2018/07/24/weeknotes) instead.
Another benefit: you’ll break the pattern of different teams demoing at the same time. This can mean teams end up demoing to themselves, which is beyond pointless.
### What to demo
So what _should_ you demo? For us, there are three criteria:
1. Is it visual?
2. Is it interesting?
3. Will people understand it?
If the answer to all of these is yes, demo it. Especially if you’re showing something that’s new to the organisation. Design systems are a great example.
When we say visual, we don’t mean pretty. For example, we’ve found showing design tokens as text strings helps make them tangible and easy to understand. If you’re not familiar with design tokens, you can think of them as small pieces of a brand’s design system that are likely to be used again and again, like the font on a button. They’re easier to see than imagine:
It’s OK to show a small unit of work. It works well if it’s something people have been asking for. It shows you listen and sweat the details. So long as it’s interesting in some way, demo it.
But, if you don’t have at least 15 minutes of stuff to show and talk about, it’s not worth the time and effort—for you or others.
For example, code refactoring is important work, but doesn’t make a good demo. Neither do things you’ve built and thrown away. Unless they contribute to a broader narrative—and an interesting one—nobody cares. Gauge by interestingness of work, not value.
### When to demo
Share things as soon as possible to get feedback early. Constructive feedback is like sunblock: better sooner than later.
Demo frequently. If a project is likely to run for a few months, demoing weekly is great. On longer projects, we tend to demo every few weeks. It can be OK to leave longer gaps over summer and winter festivities when people are less likely to be around, or as engaged. Trust your instincts around the organisation’s working culture.
### Who to demo to
Invite everyone who may have interest in your project, however tangential. Prompt attendees to let other people know. In a big organisation, you won’t know everyone with a vested interest. Casting the net wide at the early stages gives you the best chance of winning hearts and minds, and can prevent friction later on.
If you can build a regular audience, you can build a positive culture around your demo series. That’s a good thing for visibility and trust.
Who should present
------------------
Try to never demo alone. Bring at least one pal. Wrap your demo inside a short presentation with a slide deck. This will help you figure out who does what and when. The wrap-around deck should tee up the demo, set context, and invite questions and feedback at the end. A non-demoing team member can do these bits.
Have a person who helped design or build the thing do the actual demo. They’re best placed to show the detail, explain the rationale of your approach, and field questions.
At any one time, the person speaking or presenting should focus _only_ on that. The other person can assume a support role. They can note any questions dropped in chat, keep an eye on time, and deal with any issues that come up, technical or human.
It can be helpful to invite experts who aren’t part of your team. They can field broader questions about your project’s place in the organisation. You might invite engineers or brand people if your work has a bearing on their strategies.
Designing your deck
-------------------
Your slide deck should introduce and set the context of your demo. It should explain:
* What you’re demoing
* Its purpose
* Goals it contributes towards (this is persuasive and powerful)
* Why it’s relevant to the audience
Our decks have slides that:
* Name the thing we’re demoing, with the date
* Show the agenda
* Link to previous demo decks
* Introduce the demo and change in speaker
* Show a roadmap of what’s next
* Prompt audience questions at the right time
* Let people know where they can follow progress
Remember that you can’t control how your slides will be shared. Simple, concise slides are better, but each slide should have enough context to make sense to people who weren’t there.
[Doing presentations](https://www.doingpresentations.com/) has great advice for putting together slide decks. It’s optimised for "big" presentations, but there’s plenty of good stuff you can apply to demos, including how to make your deck a useful stand-alone resource.
### How much to prepare
It’s hard to know how much to prepare. A demo isn’t a high-pressure presentation in the way that a sales pitch to a new client is. But it does need to be clear and concise, so take as much time as you need to do that.
New teams and projects will mean more prep time, but it does get easier and faster. In the past, we’ve taken a day or two to prepare to demo a new project. But we can get this down to a few hours as we find our groove.
### Do a dry run
Do at least one practice run with everyone involved. If possible, invite a few people you trust to be the audience. Ask for frank feedback about what worked well and what didn’t. Then make any tweaks that are needed.
Get a feel for how long the demo will take and find ways to make it shorter. Cut flab. If you’re clocking in at over an hour, it’s too long. Make it as short as it can be but as long as it needs to be.
Have a contingency in case technology fails on the day. If you’re demoing live software, you’d ideally have backup screenshots or a pre-recorded screen capture if you have time.
The practical stuff
-------------------
There are always practical considerations to think about. A tricky one is cameras on vs. cameras off. As presenters, you should have cameras on. If your work culture encourages it, you may like to suggest this to everyone attending. It’s easier to communicate, field question, get feedback and gauge the general vibe. But if the culture welcomes cameras off, do respect that.
You should also:
* Present from a quiet location
* Present from a well-lit location (but avoid having bright lights directly behind that make you hard to see)
* Use the best camera and microphone you have
* Avoid emphatically banging your desk (wobbles your camera)
We choose to avoid blurring our backgrounds on calls when possible. That’s an aesthetic choice, and we know there are very good reasons for people to mask their background. Do what’s best for you.
Doing the demo
--------------
Everyone presenting should join the call 10 minutes before start-time. If you’re demoing alone, ask a friend to join early. Test everything, including microphones, cameras and screen-sharing.
If you’re using Microsoft Teams, keep in mind that it will announce to everyone that the meeting has started. You might like to drop a “no need to join yet” message into a channel.
Unless policy prevents, record the demo so people can catch up. If you’re presenting to a new organisation, check that this is OK. You may prefer not to record if the topic is sensitive. If you are recording, let everyone on the call know before you push the button.
The rest comes down to how you present and communicate. There’s a world of considerations to developing these skills. A few things we’d highlight:
* Pace is important—not too fast, not too slow
* [Doing presentations](https://www.doingpresentations.com/) has great tips on the performance side of presenting
* You’ll improve with practice (demos are a reasonably low-jeopardy way of developing presenting skills)
Fielding questions
------------------
Encourage questions, but on your terms. Decide in advance whether to allow them during the demo, or save them till the end. You may prefer to do them last if you’re presenting to:
* A new, unknown group
* A large group
* People you know may derail the demo (in a charming, well-intended sort of way, of course)
### Sticky wickets
It’s OK to pivot to questions at the end if things get tricky. A big risk is someone senior dominating with questions and feedback, or talking over your demo. If that person is an important stakeholder, you might decide to accept this. The important criterion is their role in your project, not their seniority.
If it’s not an important stakeholder, it’s best to politely but firmly insist on questions at the end. This will help your demo go smoothly, which is foremost a benefit to your audience.
An important skill to develop is being chill in the face of conflict. No one wants conflict, but it does happen. Being the unflappable person in the room will only build trust. That doesn’t mean having all the answers, but it does mean thinking then responding rather than reacting.
It helps to have your project spiel down pat. If questioned, be ready to articulate what you’re doing and why. These questions could come up when unfamiliar project teams and leads come along.
### Duck into chat
You can prompt people to drop questions in chat. This can be distracting, but may be less distracting than letting chat go un-moderated. If you’re not presenting in that moment, reply to questions in the chat.
If someone voices a question when they shouldn’t, support the presenter by policing the situation. It will help them keep the thread.
### At close of play
Leave at least 10 minutes for questions at the end. Less than that isn’t enough, and sends the message you’re not interested in feedback.
Let everyone know follow-up questions are welcome and where to put them. It’s good if this is in an open channel, so everyone can benefit.
Following up like a pro
-----------------------
Put your helpful hat on as soon as the demo’s over. Copy-paste the chat history somewhere safe so you can follow up on unanswered questions, or ones you can now answer more fully. It’s a nice touch to re-share contributions and links shared by attendees too.
Share the slide decks with everyone straight after the demo—and not only with people who attended. But check your speaker notes first. Some may not be useful. Some may cause embarrassment.
If you have time, review the recording to check that spoken questions were answered well. You might like to re-share the spoken questions and answers in text format. Share the recording too.
Track follow-up conversations in chat and field any new questions that come up.
If your demo was one in a series, ask attendees to let other people know about future demos.
Not following up properly can undo effort you’ve put into demoing well. It shows you value people’s time, and their right to be informed.
It gets easier
--------------
There’s a lot to think about, but demos don’t have to be scary. If we’ve given the impression that demos take a lot of time, it’s because they probably will for the first few goes.
But it gets easier. With practice, you’ll hone skills, processes and tools. When there’s a hitch, remember that people probably won’t notice, and almost certainly won’t care. People are kind, patient and understanding.
Try to have fun. You won’t get everything right in the early stages. But every hitch is a chance to do it better next time. | anglepoised |
1,882,923 | Glasskube reaches 1k stars 🌟 | I was trying to thinking of sayings or mantra’s ambitious people repeat to themselves to keep... | 0 | 2024-06-10T09:04:10 | https://dev.to/glasskube/glasskube-reaches-1k-stars-o5j | opensource, kubernetes, cloud, github | I was trying to thinking of sayings or mantra’s ambitious people repeat to themselves to keep themselves motivated. A few came to mind:
- _"Fortune favors the bold."_
- _"No guts, no glory."_
- _"You miss 100% of the shots you don't take."_
- _"Nothing ventured, nothing gained."_
Many of us have heard these sayings or something similar before, what you have less often which I think is **equally important** maybe doesn’t fit that well into a motivating one liner but might go something like this:
> _Sure, shoot for the stars but make sure to celebrate every win along the way. Because the journey is equally as important as the eventual goal._
While nobody starts a project with the sole aim of getting 1,000 GitHub stars, the entire [Glasskube](https://github.com/glasskube/glasskube) team is incredibly proud of reaching this milestone so quickly. I wanted to take a moment to reflect on our rapid organic growth and celebrate our achievements.
## What is Glasskube?
[Glasskube](https://github.com/glasskube/glasskube) is the next-generation Kubernetes package manager, now available in its beta version. With Glasskube, you can effortlessly install, upgrade, configure, and manage your Kubernetes cluster packages. Check out the available packages here. Glasskube streamlines repetitive and cumbersome maintenance tasks, making cluster management a breeze. The project is evolving rapidly, with new functionalities being shipped with every weekly release.
So go ahead, dive in, explore, and share your thoughts with us! Your feedback is incredibly valuable as we strive to make Glasskube the best Kubernetes package manager out there. We're also beginning to develop Glasskube Cloud, building on the requests from our current users to enhance the tool further. We're eager to hear which features you'd like to see included in the Glasskube Cloud offering.
The best way to stay in the loop is to sign up for Glasskube Cloud and be informed when it's ready: https://glasskube.cloud/.
## The story of our organic growth so far
Having oficially launched the project in February 2024 we are super happy to have hit the 1000k milestone in the first days of June.
Let’s take a look at some of the work be have been doing to make this happen.
### We’ve been shipping 🚢
In the past few months, our team and a growing legion of open-source contributors have helped us ship eight minor version releases, the latest being v0.8.0. You can find the full changelog [here](https://github.com/glasskube/glasskube/releases). Jakob and Christophe, both Glasskube developers, have been hard at work rolling out new features and functionalities. They've also been invaluable in providing feedback and managing the PR review process, ensuring that code is merged swiftly and safely.
Every contributor, found on the [Glasskube Discord server](https://discord.gg/STk5Z3nFmT), has brought something valuable to the community. However, a few deserve a special shoutout: Hanshal, Utkarsh, and Baalakshan. These contributors have been diligently submitting valuable PRs, addressing open issues, and advocating for Glasskube wherever they go.
We've been organizing weekly community calls every Monday on the Discord server. These calls have been a fantastic opportunity to share news, align expectations, and grow together. Some contributors have even given short talks exploring concepts like Kubernetes CRDs, presented by Hanshal, and Chaos Engineering, shared by Baalakshan.
{% embed https://youtu.be/c0Y9m7HQv9s %}
### Meetups
Cofounders Philip and Louis, myself and Community members have been really active attending meetups and conferences around Europe and India. We were at a few KCD’s, AWS Summit Madrid and other CNCF meetups too. It has been a great way to spark conversations and share the work that’s being done.
{% embed https://www.youtube.com/watch?v=8FSaYcJgQXo&t=607s %}
### Partnerships 🫂
We have partnered with third party packages such as [Keptn](https://keptn.sh/latest/docs/installation/#install-keptn-via-glasskube) and [Quickwit](https://quickwit.io/) to expedite their integration onto Glasskube.
You can now find installation steps right in the documentation of the supported packages.
### Content creation 📚
As we build and continually refine a quality product to support our ever-expanding user base, we aim to be a consistent source of valuable content. This includes in-depth Kubernetes topics like this, more technical product explorations like this, and even broader opinion pieces like our Git guide and our article on the current state of the DevOps scene.
## Check out our latest launch video 🚀
{% embed https://www.youtube.com/watch?v=HAtWQZ0Ex-I %}
Building Glasskube so far has been such a gratifiying experience, on the one hand we are connecting and understanding the issues so many cloud practitioners are having in there efforts to deal with Kubernetes Package management in their daily routines. Better understanding them and delivering on their requests is special.
On the other hand, collaborating with so many stellar open-source community contributors is a massive perk and added bonus of building an OSS tool in public. Much of our early growth can be directly attributed to these outstanding OSS contributors. We hope to continue this collaboration as we aim for 2, 3, and 10k stars, and more importantly, to make Glasskube a tool installed in Kubernetes clusters far and wide.
---
If you get value from the work we do, we'd appreciate it if you could
[⭐️ Star Glasskube on GitHub 🙏](https://github.com/glasskube/glasskube)
[](https://github.com/glasskube/glasskube) | jakepage91 |
1,446,348 | Weekly API Roundup: Shipment Legs, Shipment Purchase Order List and Search Podcast | In keeping with our weekly routine, we will introduce three new APIs to you. For our weekly API... | 0 | 2024-06-10T09:02:00 | https://dev.to/worldindata/weekly-api-roundup-shipment-legs-shipment-purchase-order-list-and-search-podcast-3li5 | api, shipmentapi, podcast, shipment | In keeping with our weekly routine, we will introduce three new APIs to you. For our weekly API roundup, we have chosen these data sources and we hope you will enjoy them. These APIs' purpose, industry, and client types will be explained. If you want to learn more, the Marketplace for Data and APIs of [Worldindata](https://www.worldindata.com/) has more information about the APIs. Now is the time to focus on the APIs!
## Shipment Legs API by Flexport
[The shipment legs API](https://www.worldindata.com/api/Flexport-shipment-legs-api) of Flexport is a popular tool used by a variety of clients in the freight and logistics industry, as well as by importers, exporters, and international traders. This API allows users to fetch a list of shipment route legs, or information on an individual leg, with all relevant details included. The data provided by the API is valuable to a range of clients, from logistics and freight companies looking to optimize their operations, to traders and import/export businesses seeking to manage their supply chains effectively.
The sectors that use the Flexport shipment legs API are diverse, spanning freight, maritime, logistics, import, export, and trade. The API has proven to be particularly useful for companies involved in the shipping and transportation of goods, as well as those engaged in international trade. By accessing data on shipment route legs, clients can gain insights into key details such as transit times, cargo types, and shipping costs, enabling them to make informed decisions that drive efficiency and profitability.
The main purpose of the Flexport shipment legs API is to provide clients with a comprehensive view of their shipment routes, allowing them to track cargo, optimize transit times, and manage costs effectively. With the ability to access real-time data on shipment legs, clients can make informed decisions and take proactive steps to ensure that their supply chains operate smoothly. Whether seeking to optimize logistics operations or manage international trade, the Flexport shipment legs API provides a valuable tool for clients across a range of sectors.
> **Specs:**
Format: JSON
Method: GET
Endpoint: /shipment_legs
Method: GET
Endpoint: /shipment_legs/{id}
Filters: page, per, f.shipment.id, f.transportation_mode, f.include_deleted and id
www.flexport.com
## Shipment Purchase Order List API by Flexport
[The shipment purchase order list API](https://www.worldindata.com/api/Flexport-shipment-purchase-order-list-api) of Flexport is a valuable tool for clients seeking to manage their supply chains efficiently. The main purpose of the API is to provide users with the ability to fetch a list of purchase order line items, or information on a single line item, with all relevant details included. By accessing real-time data on purchase orders, clients can make informed decisions and take proactive steps to optimize their operations, reduce costs, and ensure timely delivery of goods.
The shipment purchase order list API is used by a range of industries, including freight, maritime, logistics, import, export, and trade. The API is particularly useful for companies involved in the shipping and transportation of goods, as well as those engaged in international trade. With the ability to access real-time data on purchase order line items, clients can gain insights into key details such as order status, delivery schedules, and pricing, enabling them to make informed decisions that drive efficiency and profitability.
The Flexport shipment purchase order list API is used by a diverse range of clients, including freight and logistics companies, importers, exporters, and international traders. The data provided by the API is valuable to clients across a range of industries, enabling them to manage their supply chains effectively, reduce costs, and improve operational efficiency. By providing clients with real-time data on purchase order line items, the Flexport API allows them to make informed decisions and take proactive steps to ensure that their supply chains operate smoothly.
> **Specs:**
Format: JSON
Method: GET
Endpoint: /purchase_order_line_items
Method: GET
Endpoint: /purchase_order_line_items/{id}
Filters: page, per, direction, f.purchase_order.id, f.line_item_number, f.item_key and id
www.flexport.com
## Search Podcast API by Listen Notes
[The search podcast API](https://www.worldindata.com/api/Listen-Notes-search-podcast-api) of Listen Notes is a powerful tool for clients in the podcast, entertainment, and streaming industries. The main purpose of the data is to provide full-text search functionality for episodes, podcasts, or curated lists of podcasts. By leveraging Listen Notes' advanced search capabilities, clients can access a vast library of podcast content and provide their users with a seamless and comprehensive listening experience.
The search podcast API is used by a range of clients, including social app developers, content creators, streaming and entertainment services, and more. With access to Listen Notes' search technology, clients can build custom podcast discovery and recommendation engines, or integrate podcast content seamlessly into their existing platforms. The API is designed to be flexible and scalable, making it a popular choice for clients looking to deliver high-quality podcast content to their users.
The podcast industry is rapidly growing, with millions of listeners tuning in to their favorite shows every day. As a result, there is a high demand for tools and services that can help clients discover, organize, and deliver podcast content to their audiences. The search podcast API of Listen Notes is a valuable tool for clients in this space, providing advanced search capabilities that enable them to deliver a personalized and engaging listening experience to their users. Whether building a social app, content platform, or streaming service, the search podcast API offers a powerful and flexible solution for clients looking to stay ahead of the curve in this rapidly evolving industry.
> **Specs:**
Format: JSON
Method: GET
Endpoint: /search
Filters: q, sort_by_date, type, offset, len_min, len_max, episode_count_min, episode_count_max, update_freq_min, update_freq_max, genre_ids, published_before,published_after, only_in, language, language, ocid, ncid, safe_mode and unique_podcasts
www.listennotes.com | worldindata |
1,882,936 | Get Certified with GitHub Article Giving Proceeds | Certainly! Here's a concise overview of the Developer.com Live Series: 🚀 Developer.com Live Series:... | 0 | 2024-06-10T08:56:17 | https://dev.to/mukuastephen/get-certified-with-github-article-giving-proceeds-2dbd | github, git, githubc | Certainly! Here's a concise overview of the **Developer.com Live Series**:
🚀 **Developer.com Live Series: Mastering GitHub and Beyond**
Join us for an exciting live series where we delve into the world of **GitHub**, exploring essential tools and techniques for developers. Whether you're a seasoned coder or just starting your journey, this series has something for everyone.
🔧 **Topics Covered**:
1. **GitHub Basics**: Learn how to create repositories, manage branches, and collaborate effectively.
2. **GitHub Copilot**: Discover the power of AI-assisted coding with GitHub Copilot. Boost your productivity and write code faster.
3. **GitHub Workflows**: Dive into workflows, actions, and automation. Streamline your development process.
4. **GitHub Workspace**: Explore the unified development environment that brings together your code, issues, and pull requests.
📅 **Program Schedule**:
- The program has **already started**, but don't worry! You can catch up on previous sessions.
- Each session is packed with practical insights, demos, and best practices.
🎁 **Certification Opportunity**:
- Attend the series, engage in discussions, and participate in quizzes.
- Earn a **voucher** to get certified with **Microsoft**! 🎉
🔗 Here is an article to explain more on the Reactor Series: https://techcommunity.microsoft.com/t5/educator-developer-blog/get-certified-with-github/ba-p/4141657?wt.mc_id=studentamb_360864
Don't miss out on this incredible learning opportunity! 🌟 | mukuastephen |
1,882,935 | Awesome | Top 20 Starred Repo on Github | Ehy Everybody 👋 It’s Antonio, CEO & Founder at Litlyx. I come back to you with a... | 0 | 2024-06-10T08:55:25 | https://dev.to/litlyx/awesome-top-20-starred-repo-on-github-14f7 | discuss, opensource, beginners, awesome | ## Ehy Everybody 👋
It’s **Antonio**, CEO & Founder at [Litlyx](https://litlyx.com).
I come back to you with a curated **Awesome List of resources** that you can find interesting.
Today Subject is...
```bash
Top 20 Starred Repo on Github
```
I will contribute to this community as much as I can because I love it.
Share some love to our open-source [repo](https://github.com/Litlyx/litlyx) on git.
## Let’s Dive in!
[](https://awesome.re)
---
# Awesome Most Starred GitHub Repositories
A curated list of the top 20 most starred repositories on GitHub. These projects are popular, well-maintained, and widely used across the developer community.
## Table of Contents
- [Awesome Most Starred GitHub Repositories](#awesome-most-starred-github-repositories)
- [Table of Contents](#table-of-contents)
- [1. freeCodeCamp](#1-freecodecamp)
- [2. 996.ICU](#2-996icu)
- [3. awesome](#3-awesome)
- [4. free-programming-books](#4-free-programming-books)
- [5. coding-interview-university](#5-coding-interview-university)
- [6. developer-roadmap](#6-developer-roadmap)
- [7. vue](#7-vue)
- [8. public-apis](#8-public-apis)
- [9. react](#9-react)
- [10. system-design-primer](#10-system-design-primer)
- [11. Python](#11-python)
- [12. CS-Notes](#12-cs-notes)
- [13. JavaScript](#13-javascript)
- [14. d3](#14-d3)
- [15. react-native](#15-react-native)
- [16. Flutter](#16-flutter)
- [17. You-Dont-Know-JS](#17-you-dont-know-js)
- [18. ohmyzsh](#18-ohmyzsh)
- [19. linux](#19-linux)
- [20. vscode](#20-vscode)
---
### 1. [freeCodeCamp](https://github.com/freeCodeCamp/freeCodeCamp)
**Description:** The https://www.freecodecamp.org open-source codebase and curriculum. Learn to code for free.
### 2. [996.ICU](https://github.com/996icu/996.ICU)
**Description:** Repo for counting stars and contributing. Press F to pay respect to glorious developers.
### 3. [awesome](https://github.com/sindresorhus/awesome)
**Description:** A curated list of awesome lists.
### 4. [free-programming-books](https://github.com/EbookFoundation/free-programming-books)
**Description:** A list of free learning resources in various languages.
### 5. [coding-interview-university](https://github.com/jwasham/coding-interview-university)
**Description:** A complete computer science study plan to become a software engineer.
### 6. [developer-roadmap](https://github.com/kamranahmedse/developer-roadmap)
**Description:** Roadmap to becoming a web developer in 2023.
### 7. [vue](https://github.com/vuejs/vue)
**Description:** Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
### 8. [public-apis](https://github.com/public-apis/public-apis)
**Description:** A collective list of free APIs for use in software and web development.
### 9. [react](https://github.com/facebook/react)
**Description:** A declarative, efficient, and flexible JavaScript library for building user interfaces.
### 10. [system-design-primer](https://github.com/donnemartin/system-design-primer)
**Description:** Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
### 11. [Python](https://github.com/TheAlgorithms/Python)
**Description:** All Algorithms implemented in Python.
### 12. [CS-Notes](https://github.com/CyC2018/CS-Notes)
**Description:** Notes on computer science, algorithms, and interview questions.
### 13. [JavaScript](https://github.com/TheAlgorithms/JavaScript)
**Description:** Algorithms and data structures implemented in JavaScript.
### 14. [d3](https://github.com/d3/d3)
**Description:** Bring data to life with SVG, Canvas, and HTML.
### 15. [react-native](https://github.com/facebook/react-native)
**Description:** A framework for building native apps using React.
### 16. [Flutter](https://github.com/flutter/flutter)
**Description:** Flutter makes it easy and fast to build beautiful apps for mobile and beyond.
### 17. [You-Dont-Know-JS](https://github.com/getify/You-Dont-Know-JS)
**Description:** A book series on JavaScript. @YDKJS on twitter.
### 18. [ohmyzsh](https://github.com/ohmyzsh/ohmyzsh)
**Description:** A delightful & open source framework for Zsh configuration.
### 19. [linux](https://github.com/torvalds/linux)
**Description:** Linux kernel source tree.
### 20. [vscode](https://github.com/microsoft/vscode)
**Description:** Visual Studio Code. A source-code editor made by Microsoft for Windows, Linux, and macOS.
---
*I hope you like it!!*
Share some love in the comments below.
Author: Antonio, CEO & Founder at [Litlyx.com](https://litlyx.com)
| litlyx |
1,882,934 | What is Regression Testing: All You Need to know | In the fast-paced landscape of rapid software development, where upgrades and modifications are... | 0 | 2024-06-10T08:54:08 | https://dev.to/grjoeay/what-is-regression-testing-all-you-need-to-know-27jh | regressiontesting, testautomation, automationtesting | In the fast-paced landscape of rapid software development, where upgrades and modifications are frequent, it is crucial to ensure the stability and quality of software products. Regression testing plays a vital role here.
Regression testing is a fundamental testing process that consists of repeated testing of the existing features of any tool, application, or system as it receives new upgrades. Testers conduct regression tests to ensure that an application's live and new functionalities remain working and undamaged. Under this testing approach, the quality analyst checks existing features' functional and non-functional aspects to ensure no new bugs or errors in the application.
Running regression tests is more than just re-running previous test cases; it ensures that new functionality is compatible with the existing ones without breaking the system now or in the future.
## What is regression testing? Why do we need it?
Regression testing is a type of [software testing](https://www.headspin.io/blog/what-is-test-automation-a-comprehensive-guide-on-automated-testing) conducted to confirm that a recent change or upgrade in the application has not adversely affected the existing functionalities. A tester initiates a regression test soon after the developer incorporates a new functionality into the application or finishes fixing a current error. Often, when one code module is changed or upgraded, another module is likely to be affected due to dependencies existing between these two.
## Why is regression testing crucial?
A regression testing approach is required to evaluate the overall working of the application after it has undergone a change for various reasons, including:
- **Identifying regression defects:** Regression tests help detect any unintended defects or issues that may have been introduced during software development or modifications. These tests help examine the functionality of the upgrade. Regression tests ensure that the change does not interfere with the existing features of the software and identifies any errors or bugs in the application's existing functionalities. It also helps determine bugs in the newly pushed code.
- **Ensuring stability:** This form of testing verifies that the existing functionality of the software remains intact after changes are made. It helps detect any unexpected behavior or issues that could impact user experience, ensuring the stability of the software.
- **Mitigating risks:** Through comprehensive regression testing, potential risks associated with changes can be identified and mitigated. It helps prevent unexpected issues, system failures, or performance degradation that could impact business operations or user satisfaction.
## Example of regression tests
Let's consider a web-based e-commerce application. Suppose the development team adds a new feature that allows users to apply discount codes during checkout. To perform regression testing, the following steps could be taken:
**Comparison and analysis:** The regression test results are compared against the baseline test results to identify any deviations or discrepancies. Any failures or unexpected behavior are thoroughly investigated and reported as defects to the development team for resolution.
**Regression test selection:** Test cases related to the impacted areas, such as the checkout process and order calculation, are selected for these tests. These test cases focus on validating that the existing functionality remains intact after the code changes.
**Baseline testing:** Initially, a set of test cases is executed on the existing version of the application to establish a baseline of expected behavior. This includes testing various functionalities like product browsing, adding products to the cart, and completing the purchase without applying any discount codes.
**Code changes:** The development team adds a new feature to the application that introduces the ability to apply discount codes during checkout.
**Test execution:** The selected regression test cases are executed on the modified application to ensure that the new feature works as expected without causing any issues in previously functioning areas.
Re-test and confirmation: Once the identified issues are fixed, the impacted test cases are re-executed to confirm that the fixes are effective and that the previously working functionality has been restored.
## When to use regression testing
Regression testing is crucial at various stages of the SDLC to ensure the stability and functionality of the application. Here are key scenarios when you should perform regression testing:
**1. After Code Changes**
When developers add new code or modify existing code, regression testing is essential to verify that these changes haven't adversely affected the application's existing functionality. This includes bug fixes, feature enhancements, or code refactoring.
**2. After Integration**
When integrating new modules or components into the application, regression testing ensures that the integration does not introduce new bugs or issues. It helps verify that the integrated components work seamlessly with the existing system.
**3. During Major Releases**
Before rolling out major releases or updates, testers must conduct extensive regression testing to ensure the new version does not disrupt existing features and functionalities. This is particularly important for applications with a large user base or critical functionalities.
**4. Post Maintenance Activities**
After performing routine maintenance activities, such as updating libraries, frameworks, or other dependencies, regression testing helps ensure that these updates do not negatively impact the application.
**5. After Performance Enhancements**
When performance optimizations are made to the application, regression testing verifies that these improvements do not compromise the correctness and reliability of the application. This includes testing for any unintended side effects that might degrade user experience.
**6. Before and After Deployments**
Regression testing ensures that deploying new changes will not introduce new issues. Post-deployment regression testing helps identify any problems in the live environment, ensuring quick resolution and minimal impact on users.
**7. During Continuous Integration/Continuous Deployment (CI/CD)**
In a CI/CD pipeline, regression testing is an integral part of the process. Automated regression tests run after every code commit to detect issues early in the development cycle, ensuring a stable and reliable application at all times.
By strategically incorporating regression testing in these scenarios, teams can maintain the quality and reliability of their applications, providing a seamless and bug-free experience for users.
Strategies to perform regression tests - what to test, how often, and more
Regression testing strategy depends on several key factors, like how often developers upgrade the application, how significant the new change is, and what existing sections it could affect.
Here are some tried and tested proven strategies that you could follow during regression testing:
- The regression testing approach must cover all the possible test cases and impacted functionalities.
- When introducing automation testing, outline the test cases and scenarios to know which should be automated and manually tested.
- Focus on the testing process, technology, and roles when automating regression testing.
- Measure or change the scale of the upgrade to determine how likely it would affect the application.
- Perform risk analysis based on the size of your business/project and its complexity, along with its importance.
## How does one manage regression risks and ensure they don't impact the product release schedule?
The risks associated with regression testing of a software can significantly impact the product release schedule. The following are some tips for managing regression risks:
- Proactively identify and assess regression risks before starting the testing process. You can then focus all your efforts on the most critical areas.
- Use a structured approach for managing regression risks, such as a risk registry or risk management plan; this will help ensure that all threats are captured and tracked.
- Use risk mitigation strategies to reduce the impact of identified risks. For example, if a particular threat could result in data loss, you could create backups to mitigate the risk.
- Communicate any potential impacts of regression risks to stakeholders to make informed decisions about the release schedule.
While regression tests are an essential part of the software development process, they can also be time-consuming and costly. Automating regression tests can help reduce the cost and time consumed for testing while providing high coverage. When deciding whether to automate regression testing, consider the following:
- **The type of application under test:** Automated regression testing may not be feasible for all applications. For example, if the application has a complex user interface, it may be challenging to automate UI-based tests.
- **The frequency of changes:** If the application is subject to frequent changes, automated regression tests can help save time in the long run.
- **The resources available:** Automated regression testing requires a significant upfront investment in time and resources. If the project budget is limited, automating all regression tests may not be possible.
- **The coverage desired:** Automated regression tests can provide high coverage if well-designed. However, manual testing may be necessary to supplement automated tests and achieve 100% coverage.
## How do you perform regression tests on your applications or software products?
In general, there are three steps for performing these tests:
- **Prepare for manual and automated tests:** This involves getting the required tools and resources ready, such as test data, test cases, test scripts, and more.
- **Identify which changes or upgrades on existing modules of the application will impact its functionalities:** You need to specifically identify which areas of the application will be affected by the changes or upgrades to focus your testing efforts on those areas.
- **Use manual and automated tests accordingly:** Once you have identified the impacted functionalities, you can use both manual and automation tests to validate that the changes or upgrades have not adversely affected those functionalities.
Some of the most common regressions that need testing include functionalities such as login, search, and checkout. To detect these regressions, you can use different methods such as checking the application's output against expected results, performing functional tests, and using automated tools such as HeadSpin.
## Difference between automated regression testing and functional testing
Functional testing and regression testing are two distinct but complementary approaches to software quality assurance. While functional testing focuses on verifying the correctness of individual features, regression testing is concerned with preserving existing functionality after making changes to the code. Both approaches are essential for ensuring that software meets customer expectations and can be deployed safely to production environments.
A crucial part of any continuous integration or delivery pipeline, automated regression testing helps ensure that new code changes do not break existing functionality. By running a suite of automated tests against every build, developers can quickly identify and fix any regressions before reaching production.
While enterprises focus on different aspects of regression testing, it is essential for them to consider the growing agile landscape and how this landscape can impact the testing practices. Quicker ROI and time-to-market, constant app upgrades, and better use of user feedback have all been major benefits ushered by agile, but it is often a challenge to balance agile sprints with iterative practices like regression testing. The following section offers a clearer view of regression testing in the agile scenario.
## The Importance of Regression Testing
In the dynamic world of software development, regression testing stands as a cornerstone of quality assurance, ensuring that once operational software continues to perform well after it has been altered or interfaced with new software. Below, we explore why regression testing is indispensable:
- **Ensuring Software Stability**
- Regression testing is vital for verifying that the existing functionalities of an application continue to operate as expected after any modifications. This could include code changes, updates, or enhancements. The goal is to ensure that the new changes do not introduce any unintended disruptions to the functioning of the software.
- **Detecting Bugs Early**
- One of the key benefits of regression testing is its ability to identify defects early in the development cycle. This saves time and significantly reduces the cost associated with fixing bugs later in the development process. By catching regressions early, teams can avoid the complexities of digging into deeper layers of code to resolve issues that could have been avoided.
- **Facilitating Continuous Improvement**
- As software evolves, regression testing ensures that each new release maintains or improves the quality of the user experience. It supports continuous improvement by enabling teams to continuously assess changes' impact, ensuring the software remains robust and reliable.
- **Supporting Integration**
- In today's tech environment, applications rarely operate in isolation. They often interact with other systems and software. Regression testing verifies that updates or new features work harmoniously within the existing system and with external interfaces without causing disruptions.
- **Aiding Scalability**
- As applications grow and more features are added, regression testing becomes crucial to ensure enhancements do not compromise the system's scalability. It helps confirm that the system can handle increased loads and scale without issues.
## The Difference Between Regression Testing and Retesting
The terms "regression testing" and "retesting" are often heard in software testing, but they refer to very different processes. Understanding these differences is crucial for effective test planning and execution.
**Retesting**, also known as confirmation testing, is the process of testing specific defects that have been recently fixed. This type of testing is focused and narrow in scope. It is conducted to ensure that the specific issue fixed in a software application no longer exists in the patched version. Retesting is carried out based on defect fixes and is usually planned in the test cases. The main goal is to verify the effectiveness of the specific fix and confirm that the exact issue has been resolved.
On the other hand, regression testing is a broader concept. After retesting or any software change, it is performed to confirm that recent program or code changes have not adversely affected existing functionalities. Regression testing is comprehensive; it involves testing the entire application or significant parts to ensure that modifications have not broken or degraded any existing functionality. This type of testing is crucial whenever there are continuous changes and enhancements in an application to maintain system integrity over time.
**Key Differences:**
- Purpose: Retesting is done to check whether a specific bug fix works as intended, while regression testing ensures that the recent changes have not created new problems in unchanged areas of the software.
- Scope: Retesting has a narrow scope focused only on the particular areas where the fixes were applied, whereas regression testing has a wide scope that covers potentially affected areas of the application beyond the specific fixes.
- Basis: Retesting is based on defect fixes, typically done after receiving a defect fix from a developer. Regression testing is based on the areas that might be affected by recent changes, encompassing a larger part of the application.
- Execution: Retesting is carried out before regression testing and only on the new builds where defects were fixed, while regression testing can be done multiple times throughout the software lifecycle to verify the application's performance and functionality continually.
Understanding the distinct roles and applications of retesting and regression testing allows quality assurance teams to allocate their resources better and plan their testing phases, ultimately leading to more robust and reliable software delivery.
## Challenges in Regression Testing
Regression testing, an essential part of maintaining and enhancing software quality, faces numerous challenges that complicate development. Understanding these challenges can help teams prepare better strategies and tools to manage them effectively.
**Time Constraints**
As software projects evolve, the number of test cases needed to cover all features and functionalities grows. Running these comprehensive test suites can become time-consuming, especially in continuous integration environments requiring quick turnarounds. Balancing thorough testing with the demand for rapid development cycles remains a critical challenge.
**Resource Allocation**
Regression testing often requires significant computational resources to execute many test cases. In addition, human resources are needed to analyze test results, update test cases, and manage the testing process. Efficiently allocating these resources without overspending or overworking team members is a key issue many organizations face.
**Test Maintenance**
As software is updated or expanded, regression test cases must be reviewed and updated to cover new features and changes. This ongoing maintenance can be burdensome as it requires constant attention to ensure that tests remain relevant and effective. Neglecting test maintenance can lead to outdated tests that no longer reflect software health accurately.
**Prioritization of Test Cases**
Test cases vary in importance, and frequently running less critical tests can waste valuable time and resources. Determining which test cases are crucial and should be run in every regression cycle versus those that can be run less frequently is a challenge. To solve it, you need a deep understanding of the app and its most critical components.
**Flaky Tests**
Flaky tests, or tests that exhibit inconsistent results, pose a significant challenge in regression testing. They can lead to teams ignoring important test failures or wasting time investigating false positives. Managing, identifying, and fixing flaky tests require a structured approach and can be resource-intensive.
**Keeping Up with Technological Changes**
Regression testing strategies and tools must evolve as new technologies and development practices are adopted. Staying current with these changes without disrupting existing workflows is an ongoing challenge for testing teams.
## Creating an Effective Regression Test Plan
A regression test plan is a pivotal document that outlines the strategy, objectives, and scope of the regression testing process. It comprises various essential components to ensure an efficient and effective testing procedure.
**Key Goals for the Regression Test Plan**
- **Comprehensive Testing:** Encompass all software aspects within the testing framework.
- **Automation of Tests:** Automate tests to enhance efficiency and reliability.
- **Test Maintenance:** Plan for test maintenance to ensure tests remain up-to-date.
**Assumptions and Dependencies**
- **Stable Application Version:** Assume the application version is stable with no major architectural overhauls.
- **Real-world Simulation: **Assume the test environment accurately replicates a real-world setup.
- **Availability of Test Cases and Data:** Assume the availability and accuracy of test cases and test data.
Ensure all these assumptions and dependencies are documented for effective collaboration among teams.
**Essential Components of the Regression Test Plan**
- Test Cases: Define comprehensive test cases based on scenarios and requirements, covering all system functionalities.
- Test Environment: Identify necessary hardware and software configurations, including the app version, OS, and database.
- Test Data: Develop consistent and diverse test data for various testing scenarios.
- Test Execution: Define the test execution schedule, resources required, and regression test timeline.
- Defect Management: Establish a process for reporting, tracking, and managing defects, incorporating severity and priority levels.
- Risk Analysis: Identify risks associated with regression testing and devise a mitigation plan to manage them.
- Test Sign-off: Define criteria for successful test sign-off, including required metrics and results.
- Documentation: Prepare comprehensive documentation covering test cases, test data, results, and defect reports.
The regression test plan ensures a robust testing infrastructure and facilitates efficient testing processes by encompassing these key elements.
## Regression testing in Agile
In the agile context, testing is required to develop with every sprint, and testers need to ensure that the new changes don’t impact the existing functionality of the application. There are numerous and frequent build cycles in agile contexts, along with continuous changes being added to the app, which makes regression testing more critical in the agile landscape. To achieve success in an agile landscape, the testing team must build the regression suite from the onset of the product development and continue developing these alongside development sprints.
**The key reason for considering regression tests showcase in agile development**
In any agile framework, very often, the team focuses on functionality that is planned for the sprint. But when the team pertains to a particular product space, they aren’t expected to consider the risks their changes might lead to in the entire system. This is where regression testing showcases the areas that have been affected by the recent alterations across the codebase. Regression testing in agile seamlessly helps ensure the continuity of business functions with any rapid changes in the software and enables the team to focus on developing new features in the sprint along with overall functionality.
**Creating test plans for regression testing in Agile**
There are multiple ways that regression tests have been embraced into agile, which primarily depend on the type of product and the kind of testing it requires. The two common ways of constructing test plans for regression testing in Agile are:
1. Sprint-level regression testing - This type of test emphasizes on executing the test cases that have emerged only after the last release.
2. End-to-end regression testing - This type of test focuses on covering tests on all core functionalities present in the product.
Based on the level of development and product stability, a suitable approach for test plan creation can be deployed.
**How can you perform regression testing in an agile scenario?**
Agile teams move very fast, and regression suites can thereby become very complex if not executed with the right strategy. In large projects, it is wiser for teams to prioritize regression tests. However, in many cases, teams are compelled to prioritize based on ‘tribal knowledge’ of the product areas, which are more prone to error and are anecdotal evidence from production faults and ineffective metrics like defect density.
To perform regression tests in agile, it is essential for teams to consider certain critical aspects like:
- Making it a practice to differentiate sprint-level regression tests from regular regression test cycles.
- Focusing on choosing advanced automated testing tools that help generate detailed reports and visualizations like graphs on test execution cycles. These reports, in most scenarios, assist in evaluating the total ROI.
- Updating regression test scripts on a regular basis to accommodate the frequent changes.
- Leveraging the continuous changes to the requirements and features driven by agile systems along with changes in test codes for the regression tests.
Categorizing the test cases on the basis of high, medium, and low priorities. End-to-end testing flows effectively at the high-priority test suite, the field level validations at a moderate level, and the UI and content-related tests at a low level. Categorization of test cases enables new testers to quickly grasp the testing approach and offer robust support in accelerating the test execution process. Prioritizing test cases also allows teams to make the process simpler and easier to execute, thereby streamlining the testing process and outcomes.
**Creating regression tests strategy for agile teams**
Repeated tests for continually expanding and altering codebases are often time-consuming and prone to errors. As agile development primarily focuses on speed, the sprint cycles are short, and developers often eliminate specific features in each. To avoid any emerging issues, regression testing needs to be effectively strategized and aligned with agile principles and processes. Following are some of the techniques for testing regressions seamlessly in the agile process:
- Embracing automation - In order to speed up regression tests for Agile sprints, automation is almost non-negotiable. Teams must begin with automated regression test scripts and then proceed with making alterations with every new feature. Automated regression tests are best suited after the product has been developed to a significant extent. Also, these regression tests should be coupled with certain manual verifications to identify false positives or negatives.
- Focusing on severely vulnerable areas of the software - As developers are well aware of their software, they should narrow down the specific areas/features/functionalities/elements of the product that have high probabilities of getting impacted by the changes in every sprint. Also, user-facing functionalities and integral backend issues should be verified with regular regression tests. A collaborative approach for testing app regressions can be fruitful in helping developers combine the benefits of both testing approaches.
- Incorporating automation only in specific limits - However much the test infrastructure is modernized, aiming for complete or 100% automation is not a viable option. Certain tasks like writing test scripts and verifying results by human testers need to be executed for improved testing outcomes. Deploying the right percentage of automation will result in a lesser number of false positives/negatives, which is suitable for identifying regressions in agile. However, with the rising focus on assuring high product quality, implementing the right techniques and proportion of automation in regression testing in an agile environment has enabled teams to guarantee a more stable and reliable product at the end of every sprint each time.
## Different methods of setting up a regression testing framework
When the testing team opts for automated regression testing, they simultaneously must define the test automation framework for the purpose. By defining the test automation framework, testers can give a definite structure to the test cases when they are automated. Here is how a defined architecture plays a vital role in automated testing:
- A designated QA professional, along with their preferred choice of automation testing tool
- A suitable and relevant structure includes test cases and test suites.
- A basic testing script to run the regression tests, which is also scalable and accommodating to the new test cases
- Before developing a test automation framework, QA professionals complete integration tasks to ensure that they can focus solely on running the script for regression testing.
## Best practices for regression testing - tips on improving your process
- Make detailed test case scenarios for regressing the testing approach.
- Keep the test case file updated with new scenarios and perform regression tests based on that file.
- Create a standard procedure for regressing testing regularly.
- Identify the functionalities or application areas at high risk due to recent upgrades or changes.
- Link these tests with functional as well as non-functional testing.
- Run regression tests after every successful compiling of the new code.
- Design the regression tests approach based on the risk factors surrounding the business model for the application.
- Perform desired regression tests action and compare it with the expected/previous response for correctness.
- Integrate automated regression testing into your continuous integration or delivery pipeline; this will help ensure that new code changes do not break existing functionality and that any regressions are quickly identified and fixed.
- Establish a process for the regression tests and ensure that everyone involved in the project is aware of it; this will help ensure that you and your team take the necessary steps to test all changes adequately.
- Identify the changes or upgrades done on existing modules of the application that will impact its functionalities; this will help you focus your testing efforts during regression testing on those areas.
- Use manual and automated tests to validate that the changes or upgrades have not adversely affected functionalities; this will help you catch any regressions that the changes or upgrades may have introduced.
## Types of tests that you can use in a regression framework
There are several types of tests you can conduct using a regression testing framework:
- Re-run previous test cases and compare the results with the earlier outputs to check the application's integrity after code modification
- Conduct regression testing of a software by running only a part of the test suite, which might be affected due to the code change
- Take an approach for testing regressions where you execute test cases priority-wise; you run higher priority cases before lower priority test cases (You can prioritize test cases based on checking the upgraded/subsequent version of the application or the current version.)
- The above two techniques can be combined for hybrid test selection, assessing regressions for a part of the test suite based on its priority.
## Common mistakes when running regressions tests
Developers can make common mistakes that they can prevent with extra care. Here are a few errors that you can avoid making:
Avoiding conducting regression testing after code release/change or bug fix is a mistake.
- Not defining a framework for testing regressions or not sticking to one will execute arbitrary test cases and suites on any automation tool that would cost time, money, and bug identification.
- Not defining a goal and making it invisible to everyone involved in the project.
- Re-running the same test cases is time-consuming and costly; yet, regression tests is necessary to ensure the application does not break when upgrading it to a newer version.
- Not opting for automation testing over the manual approach.
These are the most common mistakes any professional can make while conducting regression testing. To avoid these, HeadSpin offers an intelligent regression testing approach that includes an automated solution to all your regression issues.
## Tools to perform your software regression testing
These are some of the most famous regression testing tools available today. Each has its strengths and weaknesses, so choosing the right tool for your specific needs is essential.
- HeadSpin Regression Platform is a regression testing tool that uses intelligent test automation to test web and mobile applications. HeadSpin designed the platform to help developers quickly identify and fix any regressions before reaching production. HeadSpin Regression Platform integrates with various development tools and supports many browsers and operating systems, making it a versatile option for regression testing.
- Selenium WebDriver is a popular open-source tool for web application regression testing. Testers can use it to automate tests against both web and mobile applications. It supports various browsers and operating systems, making it a versatile option for regression tests.
- JUnit is a popular open-source unit testing framework for Java development. Testers can also use it for regression testing by creating test cases that exercise the functionality of an application. JUnit is easy to use and integrates various development tools, making it a good option for regression tests.
- TestNG is another popular open-source testing framework, similar to JUnit. It also supports regression testing and has good integration with various development tools.
- Cucumber is a popular tool for behavior-driven development (BDD). Testers can use it for regression testing by creating test scenarios that exercise the functionality of an application. Cucumber's readable syntax makes it easy to build regression tests that both developers and non-technical stakeholders understand.
- Appium is a tool for mobile application regression testing. Testers can use it to automate tests against native, web, and hybrid mobile applications. Appium supports a wide variety of mobile platforms, making it a versatile tool for regression testing.
- Watir is a tool for regression testing of web applications. Testers can use it to automate tests against web applications using the Ruby programming language. Watir integrates with various development tools, making it a good option for regression testing.
- Sahi Pro is a regression testing tool for web applications. Testers can use it to automate tests against web applications using the Sahi script language. Sahi Pro integrates with various development tools and supports a wide range of browsers and operating systems, making it a good option for this testing approach.
HeadSpin's data science driven approach toward delivering aggregation and regression testing insights helps professionals monitor, analyze, and determine the changes in the application. HeadSpin offers build-over-build regression and location-to-location comparison with its AI-powered regression intelligence across new app builds, OS releases, feature additions, locations, and more.
Original Source: https://www.headspin.io/blog/regression-testing-a-complete-guide | grjoeay |
1,882,933 | boiler service | If you want your winter coziness to stay warm and inviting, professional repairs are important.... | 0 | 2024-06-10T08:52:24 | https://dev.to/waitetara/boiler-service-5kb | discuss |
If you want your winter coziness to stay warm and inviting, professional repairs are important. That's why I'm happy to recommend heat pump repair services from Rocky Mountain HVAC Services in Salt Lake City! Whether it's fighting the cold on frosty evenings or keeping your home cosy, [rmhvacutah.com](https://www.rmhvacutah.com/hydronics-services/boilers) boiler service can get the job done with their unmatched experience and commitment to excellence. So, let's not forget the importance of a reliable heat pump - your path to a winter fairy tale right in your home! | waitetara |
1,882,917 | Top Game Development Engines For Creating Stunning Games | Selecting the best game engine depends on various factors, including your project's requirements,... | 0 | 2024-06-10T08:32:47 | https://dev.to/saumya27/top-game-development-engines-for-creating-stunning-games-88b | gamedev, webdev | Selecting the best game engine depends on various factors, including your project's requirements, your team's expertise, and the platform you're targeting. Here are some of the most popular and powerful game engines available, each with its unique strengths:
**1. Unreal Engine**
**Strengths:**
- High-Fidelity Graphics: Known for its stunning graphics and visual capabilities, Unreal Engine is often used in AAA games and high-quality productions.
- Blueprints Visual Scripting: Allows for rapid development and prototyping without needing to write code.
- C++ Source Code: Access to the complete C++ source code offers flexibility and deep customization.
- Cross-Platform Support: Supports a wide range of platforms including PC, consoles, mobile devices, and VR/AR.
- Strong Community and Marketplace: Extensive community support and a marketplace with assets and plugins.
**Popular Games:** Fortnite, Gears of War series, Final Fantasy VII Remake.
**2. Unity**
**Strengths:**
- Versatility: Suitable for both 2D and 3D games, making it a popular choice for indie developers and larger studios.
- C# Scripting: Uses C# for scripting, which is relatively easy to learn and widely used.
- Asset Store: Extensive asset store with ready-to-use assets, tools, and plugins.
- Cross-Platform Support: Supports over 25 platforms, including mobile, desktop, consoles, and AR/VR.
- Strong Community: Large and active community with many tutorials, forums, and third-party resources.
**Popular Games:** Hollow Knight, Monument Valley, Cuphead.
**3. Godot**
**Strengths:**
- Open Source: Completely free and open-source, with a permissive MIT license.
- Lightweight and Efficient: Small download size and efficient performance.
- GDScript: Uses a Python-like scripting language that's easy to learn.
-Node-Based Architecture: Offers a flexible and intuitive scene system.
- Cross-Platform Support: Can export to multiple platforms including Windows, macOS, Linux, Android, iOS, and HTML5.
Popular Games: Kingdoms of the Dump, Deponia.
**4. CryEngine**
**Strengths:**
- High-Quality Graphics: Renowned for its advanced rendering capabilities and realistic graphics.
- Sandbox Editor: Powerful level editor with a real-time preview.
- Visual Scripting: Flowgraph for visual scripting.
- C++ and Lua Scripting: Provides both C++ and Lua for scripting.
- Cross-Platform Support: Supports PC, consoles, and VR platforms.
**Popular Games:** Crysis series, Hunt: Showdown, The Climb.
**5. RPG Maker**
**Strengths:**
- User-Friendly: Designed specifically for creating 2D RPGs with minimal programming knowledge.
- Event System: Powerful event system to handle game logic and interactions.
- Built-In Assets: Comes with a library of assets and tools for creating characters, maps, and scenarios.
- Customization: Scripting support via Ruby or JavaScript (depending on the version) for custom features.
- Community Support: Active community with lots of tutorials, resources, and plugins.
**Popular Games:** To the Moon, OneShot, LISA: The Painful.
**6. GameMaker Studio**
**Strengths:**
- 2D Game Development: Optimized for 2D game development with a robust set of tools.
- GML Scripting: Uses GameMaker Language (GML), which is easy to learn and use.
- Drag-and-Drop: Allows developers to create games without writing code, using a drag-and-drop interface.
- Cross-Platform Support: Can export to multiple platforms including desktop, mobile, web, and consoles.
- Community and Resources: Strong community support with plenty of tutorials and resources available.
**Popular Games:** Undertale, Hyper Light Drifter, Hotline Miami.
**Conclusion**
Choosing the [best game engine](https://cloudastra.co/blogs/top-game-development-engines-for-creating-stunning-games) depends on your specific needs, such as the type of game you are creating, your team's expertise, and the platforms you are targeting. For high-fidelity 3D games, Unreal Engine and CryEngine are excellent choices. For versatile 2D and 3D development, Unity and Godot offer great flexibility. For 2D RPGs, RPG Maker provides a user-friendly environment. Lastly, GameMaker Studio is a solid option for 2D game development with an easy-to-use interface. | saumya27 |
1,882,932 | Enhance Your Garden Shed with Clear Polycarbonate Perspex Safety Sheets | When it comes to maintaining and upgrading your garden shed, replacing old or damaged windows is a... | 0 | 2024-06-10T08:50:57 | https://dev.to/shafaq_siddiqui_7c1a836d6/enhance-your-garden-shed-with-clear-polycarbonate-perspex-safety-sheets-529j | diyhomeimprovement, gardenshed, windowreplacement, polycarbonatesheets | When it comes to maintaining and upgrading your garden shed, replacing old or damaged windows is a crucial task. One of the best materials for this purpose is clear polycarbonate Perspex safety sheets. These sheets are not only durable but also offer several benefits that make them an excellent choice for garden sheds. In this post, we’ll explore why clear polycarbonate Perspex safety sheets are the ideal replacement for your shed windows.
**Superior Durability and Strength**
Clear polycarbonate Perspex safety sheets are renowned for their exceptional strength and durability. Unlike traditional glass, these sheets are shatter-resistant and can withstand significant impact, making them perfect for garden sheds exposed to various weather conditions. They are virtually unbreakable, ensuring that your shed remains secure and safe from potential damage caused by flying debris or accidental impacts.
**Excellent Clarity and Light Transmission**
One of the standout features of clear polycarbonate Perspex sheets is their superior clarity. These sheets allow up to 90% light transmission, which means your garden shed will be well-lit without compromising on privacy. The clear finish ensures that you have ample natural light inside your shed, reducing the need for artificial lighting during the day and creating a bright, inviting workspace.
**UV Protection**
Polycarbonate Perspex sheets come with built-in UV protection, which helps in prolonging their life and maintaining their clarity over time. This UV resistance prevents the sheets from yellowing or becoming brittle, ensuring that your shed windows remain clear and attractive for years to come. Additionally, UV protection helps in safeguarding the items stored inside your shed from harmful UV rays.
**Easy Installation and Maintenance**
Replacing your garden shed windows with clear polycarbonate Perspex sheets is a straightforward process. These sheets can be easily cut to size and installed using standard tools, making the DIY replacement project hassle-free. Furthermore, maintaining these sheets is simple; they can be cleaned with soapy water and a soft cloth, keeping them looking pristine with minimal effort.
**Cost-Effective Solution**
While polycarbonate Perspex sheets may have a higher upfront cost compared to traditional glass, their long-term benefits make them a cost-effective solution. Their durability means fewer replacements over time, and their insulating properties can contribute to energy savings, especially if your shed is used as a workspace or storage area.
**Safety Benefits**
Safety is a paramount concern when choosing materials for your shed windows. Polycarbonate Perspex safety sheets are much safer than glass, especially in environments where children or pets are present. In the unlikely event that the sheets do break, they do not shatter into dangerous shards, reducing the risk of injury.
**Conclusion**
Clear polycarbonate Perspex safety sheets offer an array of benefits that make them the perfect choice for garden shed window replacements. Their strength, clarity, UV protection, and ease of installation provide a superior alternative to traditional glass. By upgrading your shed with these high-quality sheets, you ensure a safer, brighter, and more durable structure that can withstand the test of time.
Upgrade your garden shed today with clear polycarbonate Perspex safety sheets and experience the difference in quality and performance. For more information and to purchase these sheets, visit [[Decor Idea.]](https://decoridea.co.uk/collections/greenhouse-replacement-sheets/products/garden-shed-windows-replacement-clear-polycarbonate-perspex-safety-sheet?variant=35779573121173) | shafaq_siddiqui_7c1a836d6 |
1,882,931 | Laravel’de İlişkiler: `belongsToMany` ve `hasMany` Arasındaki Farklar | Laravel, Eloquent ORM (Object-Relational Mapping) yapısı ile veritabanı işlemlerini oldukça... | 0 | 2024-06-10T08:50:46 | https://dev.to/baris/laravelde-iliskiler-belongstomany-ve-hasmany-arasindaki-farklar-1f4i | Laravel, Eloquent ORM (Object-Relational Mapping) yapısı ile veritabanı işlemlerini oldukça kolaylaştırır. Bu yazıda, `belongsToMany` ve `hasMany` ilişkileri arasındaki farkları ele alacağız. Bu iki ilişki türünü anlamak, veritabanı modelleriniz arasında doğru bağlantıları kurmak için kritik öneme sahiptir.
#### `hasMany` İlişkisi
`hasMany` ilişkisi, bir modelin diğer birçok modele sahip olduğunu belirtir. Bu ilişki genellikle "bir-çok" (one-to-many) ilişkisidir. Örneğin, bir kullanıcının (User) birden fazla gönderisi (Post) olabilir.
##### Kullanıcı (User) ve Gönderiler (Posts) Örneği
Bir Kullanıcı modelinin birden fazla Gönderi modeli olabilir. Bu durumda, Kullanıcı modelinde `hasMany` fonksiyonunu tanımlarız.
```php
// User modelinde
public function posts()
{
return $this->hasMany(Post::class);
}
```
Burada, `posts` metodu, bu kullanıcının sahip olduğu gönderileri alır. `Post` modelinde ise, her gönderinin bir kullanıcıya ait olduğunu belirtiriz.
```php
// Post modelinde
public function user()
{
return $this->belongsTo(User::class);
}
```
Bu şekilde, her gönderinin bir kullanıcıya ait olduğunu belirten `user` metodunu tanımlamış oluruz. Bu ilişki, veritabanında genellikle şu şekilde temsil edilir: `posts` tablosunda bir `user_id` sütunu bulunur ve bu sütun, gönderinin hangi kullanıcıya ait olduğunu belirtir.
##### Özet:
- **`hasMany`**: Bir modelin diğer birçok modele sahip olduğunu belirtir.
- **`belongsTo`**: Bir modelin, belirli bir modele ait olduğunu belirtir.
#### `belongsToMany` İlişkisi
`belongsToMany` ilişkisi, birçok modelin diğer birçok modele ait olduğunu belirtir. Bu ilişki genellikle "çok-çok" (many-to-many) ilişkisidir. Bu tür ilişkilerde, her iki tablo da birbirine birçok kez bağlı olabilir ve bu bağlantıları temsil eden bir ara tablo (pivot table) kullanılır.
##### Öğrenciler (Students) ve Dersler (Courses) Örneği
Bir öğrenci birçok derse kaydolabilir ve bir ders birçok öğrenci tarafından alınabilir. Bu durumda, her iki modelde de `belongsToMany` fonksiyonunu tanımlarız.
```php
// Student modelinde
public function courses()
{
return $this->belongsToMany(Course::class);
}
```
Burada, `courses` metodu, öğrencinin kayıtlı olduğu dersleri alır. Benzer şekilde, `Course` modelinde, bu dersin kayıtlı olduğu öğrencileri belirtiriz.
```php
// Course modelinde
public function students()
{
return $this->belongsToMany(Student::class);
}
```
Bu tür ilişkilerde, ara tablo (pivot table) kullanılır. Bu tablo, her iki modelin ID’lerini içeren iki sütuna sahip olur. Örneğin, `course_student` adında bir ara tablo olabilir ve bu tablo `student_id` ve `course_id` sütunlarını içerir.
##### Özet:
- **`belongsToMany`**: Birçok modelin diğer birçok modele ait olduğunu belirtir.
- Ara tablo (pivot table) kullanılır.
### Örnek Projeler ve Kullanım Senaryoları
#### Blog Uygulaması: `User` ve `Post` İlişkisi
Bir blog uygulaması düşünelim. Her kullanıcının birçok gönderisi olabilir. Bu ilişkiyi `hasMany` ve `belongsTo` ilişkileri ile kurabiliriz.
**User Modeli:**
```php
class User extends Model
{
public function posts()
{
return $this->hasMany(Post::class);
}
}
```
**Post Modeli:**
```php
class Post extends Model
{
public function user()
{
return $this->belongsTo(User::class);
}
}
```
#### Eğitim Yönetim Sistemi: `Student` ve `Course` İlişkisi
Bir eğitim yönetim sistemi düşünelim. Öğrenciler birçok derse kayıt olabilir ve dersler birçok öğrenci tarafından alınabilir. Bu ilişkiyi `belongsToMany` ile kurabiliriz.
**Student Modeli:**
```php
class Student extends Model
{
public function courses()
{
return $this->belongsToMany(Course::class);
}
}
```
**Course Modeli:**
```php
class Course extends Model
{
public function students()
{
return $this->belongsToMany(Student::class);
}
}
```
Bu ilişkileri tanımladıktan sonra, veritabanında `course_student` adında bir ara tablo oluştururuz. Bu tablo, `student_id` ve `course_id` sütunlarını içerir.
### Sonuç
Laravel’de ilişkileri anlamak, veritabanı modelleri arasında doğru bağlantıları kurabilmek için oldukça önemlidir. `hasMany` ilişkisi, bir modelin diğer birçok modele sahip olduğu durumlarda kullanılırken, `belongsToMany` ilişkisi, birçok modelin diğer birçok modele ait olduğu durumlarda kullanılır. | baris | |
1,882,930 | Zeeve RaaS Partners with ShlenPower for the Launch of a L2 HyperChain | We are elated to announce our partnership with ShlenPower as their chosen Rollups-as-a-Service (RaaS)... | 0 | 2024-06-10T08:49:58 | https://www.zeeve.io/blog/zeeve-raas-partners-with-shlenpower-for-the-launch-of-a-l2-hyperchain/ | shlenpower, announcement, zeeve, hyperchains | <p>We are elated to announce our partnership with <a href="https://www.shlenpower.com/">ShlenPower</a> as their chosen Rollups-as-a-Service (RaaS) provider to launch a zkSync L2 Hyperchain. Shlenpower is building an empowerment hub on top of the DLIecosystem, and <a href="https://www.zeeve.io/">Zeeve</a> will power its L2 Rollup infrastructure. </p>
<p>Dlicom Platform is the creative fusion of decentralized financial opportunities with social media features, presenting safe communication combined with economic activity and deep community involvement. Their self-custody wallet, decentralized browser, and secure, end-to-end encrypted messaging make the app a go-to choice for users looking for privacy and security in their transactions and interactions. On the social side, Dlicom allows users to post multimedia content, engage in community discussions, and earn tokens through community tipping. It also has a monetization model with customizable feed ads, allowing content creators to earn based on the engagement their content generates. Premium subscribers have access to advanced features like a portfolio tracker, crypto screener, and more. From a financial perspective, Dlicom offers a decentralized wallet for managing cryptos and NFTs, and a browser that supports seamless interactions with dApps. Users can swap tokens with minimum slippage, stake directly within the app, and receive rewards in USDT, making it a comprehensive tool for financial incentivizing within a decentralized social framework.</p>
<p><em>“To realize the full functionality of the Dlicom Platform in its best safety and norms of performance, we have collaborated with Zeeve to build and launch the L2 Rollup. Through this collaboration with Zeeve, the Dlicom platform will become one of the most secure and scaled systems, bringing together the best of decentralized finance and social media into one integrated singular ecosystem.”</em></p>
<p>Mohammad Qadriah</p>
<p>Chairman & Co-Founder of ShlenPower</p>
<p>The following are some benefits Zeeve RaaS will bring to the Dlicom platform with this revamping: </p>
<p><strong>Scalability:</strong></p>
<li>ZKsync hyperchains offer layer-2 scaling solutions with low-latency, high-throughput transactions. This ensures that the Dlicom Platform performs at its peak, running at its peak with a large volume of transactions and delivering a flawless user experience.</li>
<p><strong>Saving on Costs:</strong></p>
<li>We will drastically reduce the transaction costs using Hyperchain, an amount that can be passed on to the users by offering all operations on the Dlicom platform.</li>
<p><strong>Security:</strong></p>
<li>ZKsync hyperchains operate under the principle of using zero-knowledge proofs for privacy and security. Users can confirm transactions without exposing critical information, ensuring that all transactions within the application are safe and secure.</li>
<p><strong>Better User Experience:</strong></p>
<li>ZKSync hyperchain will significantly improve the user experience of the Dlicom Platform in terms of quick transaction time, minimal fees, and better security.</li>
<p><em>“When it comes to SocialFi, the ecosystem developed should be such that it can cater to rising scalability needs without putting additional pressure on the infrastructure. By incorporating ZK technology and recursive proofs, Dlicom is significantly enhancing both the capacity and efficiency of their ecosystem. Zeeve will optimize its operational performance through an intuitive RaaS dashboard, enhanced security measures, necessary middleware, a rebranded TraceHawk block explorer, and robust support systems, including 24/7 enterprise-grade SLAs. Zeeve will also ensure, with efficient management, that the ecosystem also remains compliant and meets the objective of the project as well as the broader goals of Matter Labs.”</em></p>
<p>Dr Ravi Chamaria</p>
<p>Co-founder and CEO of Zeeve</p>
<p><a href="https://www.zeeve.io/">Zeeve</a> makes it easy to go from concept to live deployment with our intuitive <a href="https://www.zeeve.io/rollups/">Rollup Launchpad</a>. Our network of over <a href="https://www.zeeve.io/integrations/">40 industry partners </a>allows for quick integration with decentralised and developer services. Trusted by more than 30,000 users and 40+ institutional partners, Zeeve's strong security and support systems make it the go-to choice for global web3 infrastructure.</p>
<p>For further details on <a href="https://www.zeeve.io/appchains/zksync-hyperchains-zkrollups/">Zeeve's managed zkSync Hyperchains</a>, visit our webpage. </p> | zeeve |
1,882,929 | 66club.tech | Sân Chơi Đổi Thưởng Top #1 Châu Á | 66club là địa chỉ cá cược được nhiều bet thủ lựa chọn với nhiều dịch vụ hấp dẫn, độc đáo. Tham gia... | 0 | 2024-06-10T08:49:49 | https://dev.to/66clubtech/66clubtech-san-choi-doi-thuong-top-1-chau-a-2gfb | 66club là địa chỉ cá cược được nhiều bet thủ lựa chọn với nhiều dịch vụ hấp dẫn, độc đáo. Tham gia ngay để nhận nhiều ưu đãi tân thủ giá trị.
Địa Chỉ: 131 Đ. Chợ Lớn, Phường 11, Quận 6, Thành phố Hồ Chí Minh, 70000, Việt Nam
Email: synchpropcarbarsdavid@gmail.com
Website: https://66club.tech/
Điện Thoại: (+63) 9106463349
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1,882,918 | Creating a Responsive Flutter Application for All Devices | Building a responsive application in Flutter ensures that your app provides a seamless experience... | 0 | 2024-06-10T08:33:27 | https://dev.to/eldhopaulose/creating-a-responsive-flutter-application-for-all-devices-1fl5 | flutter, dart, frontend, google | Building a responsive application in Flutter ensures that your app provides a seamless experience across different devices, whether it’s a mobile phone, tablet, or desktop. In this blog post, we will explore how to make your Flutter app responsive by using various techniques and widgets.
## Table of Contents
1. Introduction
2. Setting Up Your Flutter Environment
3. Understanding MediaQuery
4. Using LayoutBuilder for Adaptive Layouts
5. Leveraging Flex Widgets (Row and Column)
6. Utilizing the Expanded and Flexible Widgets
7. Responsive Text Scaling
8. Platform-Specific Adjustments
9. Testing Responsiveness
10. Conclusion
## 1. Introduction
Responsive design is crucial for creating applications that offer an optimal user experience regardless of the device being used. In Flutter, there are multiple approaches and widgets that facilitate the development of responsive layouts. Let's dive into these methods.
## 2. Setting Up Your Flutter Environment
Before we start, ensure that your Flutter environment is set up. You can follow the official Flutter [installation guide ](https://docs.flutter.dev/get-started/install)if you haven’t already.
```
flutter create responsive_app
cd responsive_app
```
Open your project in your preferred IDE (VS Code, Android Studio, etc.).
## 3. Understanding MediaQuery
The `MediaQuery` widget is a powerful tool in Flutter that provides information about the size and orientation of the current screen. It allows you to adjust your layout based on the screen dimensions.
```
import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: ResponsiveHomePage(),
);
}
}
class ResponsiveHomePage extends StatelessWidget {
@override
Widget build(BuildContext context) {
var screenSize = MediaQuery.of(context).size;
return Scaffold(
appBar: AppBar(title: Text('Responsive App')),
body: Center(
child: Text(
'Screen width: ${screenSize.width}, height: ${screenSize.height}',
style: TextStyle(fontSize: 20),
),
),
);
}
}
```
## 4. Using LayoutBuilder for Adaptive Layouts
`LayoutBuilder` is another essential widget that builds a widget tree based on the parent widget's constraints.
```
class ResponsiveLayout extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: LayoutBuilder(
builder: (context, constraints) {
if (constraints.maxWidth > 600) {
return _buildWideContainers();
} else {
return _buildNarrowContainers();
}
},
),
);
}
Widget _buildWideContainers() {
return Row(
children: [
Expanded(child: Container(color: Colors.red, height: 200)),
Expanded(child: Container(color: Colors.blue, height: 200)),
],
);
}
Widget _buildNarrowContainers() {
return Column(
children: [
Container(color: Colors.red, height: 200),
Container(color: Colors.blue, height: 200),
],
);
}
}
```
> Mobile View:
> desktop View:
## 5. Leveraging Flex Widgets (Row and Column)
`Row` and `Column` are flexible widgets that can adapt to different screen sizes. Using these widgets effectively can help create responsive layouts.
```
class FlexLayout extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
Expanded(
child: Row(
children: [
Expanded(child: Container(color: Colors.green)),
Expanded(child: Container(color: Colors.orange)),
],
),
),
Expanded(
child: Row(
children: [
Expanded(child: Container(color: Colors.blue)),
Expanded(child: Container(color: Colors.purple)),
],
),
),
],
),
);
}
}
```
> Mobile View:
> desktop View:
## 6. Utilizing the Expanded and Flexible Widgets
The `Expanded` and `Flexible` widgets control how a child of a `Row`, `Column`, or `Flex` flexes.
```
class ExpandedFlexibleExample extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Column(
children: [
Expanded(
child: Container(color: Colors.red),
),
Flexible(
child: Container(color: Colors.blue),
),
],
),
);
}
}
```
> Mobile View:
> desktop View:
## 7. Responsive Text Scaling
Ensure that your text scales appropriately by using the `textScaler`.
```
class ResponsiveText extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Text(
'Responsive Text',
style: TextStyle(fontSize: 20),
textScaler: MediaQuery.textScalerOf(context),
),
),
);
}
}
```
> Mobile View:
> desktop View:
## 8. Platform-Specific Adjustments
Adjust your layout based on the platform (iOS, Android, Web).
```
@override
Widget build(BuildContext context) {
return Scaffold(
body: Platform.isWindows ? _buildWindowsLayout() : _buildAndroidLayout(),
);
}
Widget _buildWindowsLayout() {
return Center(child: Text('Windows Layout'));
}
Widget _buildAndroidLayout() {
return Center(child: Text('Android Layout'));
}
}
```
> Mobile View:
> desktop View:
## 9. Testing Responsiveness
Test your app on multiple devices and screen sizes using the Flutter emulator or physical devices. You can also use tools like `flutter_device_preview`.
```
dependencies:
flutter:
sdk: flutter
device_preview: ^0.8.0
```
```
import 'package:device_preview/device_preview.dart';
void main() {
runApp(
DevicePreview(
enabled: !kReleaseMode,
builder: (context) => MyApp(),
),
);
}
```
## 10. Conclusion
Making a Flutter app responsive involves understanding and using widgets like `MediaQuery`, `LayoutBuilder`, `Row`, `Column`, and more. By following these practices, you can ensure that your app provides a great user experience on any device.
## Connect with Me
If you enjoyed this post and want to see more of my work, feel free to check out my GitHub and personal website:
- GitHub: [eldhopaulose ](https://github.com/eldhopaulose)
- Website: [Eldho Paulose](https://eldhopaulose.info)
| eldhopaulose |
1,882,926 | TypoVibe // A Minimalistic Text Editor | Hello Dev Community, I'm excited to share TypoVibe, a minimalistic text editor designed for... | 0 | 2024-06-10T08:47:10 | https://dev.to/m4sc0/typovibe-a-minimalistic-text-editor-41k2 | javascript, beginners, codenewbie | Hello Dev Community,
I'm excited to share [TypoVibe](https://github.com/m4sc0/typovibe), a minimalistic text editor designed for simplicity and efficiency.
## What is TypoVibe?
TypoVibe is a lightweight, Electron-based text editor with a clean interface for distraction-free writing. It's open source and, thanks to Electron, it runs efficiently on most systems.
## Key Features
- Command Palette: Access commands with `Ctrl + K`
- Focused Writing: Switch focus with `Ctrl + T` and `Ctrl + B`.
- Easy Save: Save your notes with `Ctrl + S` or enable the Auto-Save feature!
## Join the Conversation
Check out the GitHub repository for more details. Contributions and feedback are welcome!
Happy coding! | m4sc0 |
1,882,924 | LocalStack - Your Local Cloud Partner ☁️🤝 | Do you want to test your AWS resources locally before deploying to AWS? Do you aim to produce... | 0 | 2024-06-10T08:41:27 | https://dev.to/modgil_23/localstack-your-local-cloud-partner-2jc0 | aws, docker, cloud, tutorial | Do you want to test your AWS resources locally before deploying to AWS? Do you aim to produce high-quality code and write integration tests for AWS services? Do you need to test your resources in a CI/CD pipeline to avoid mistakes in applications? Well, the solution for you is LocalStack.
LocalStack provides a platform to create AWS resources on your local machine. It's a cloud service emulator that runs in a single container and allows you to simulate AWS services locally and in CI environments.
## Why Use LocalStack? 🤔
- **Local Development:** Simulate AWS services on your local machine, enabling faster and safer development without the risk of incurring costs or affecting live environments.
- **Quality Code:** Test your code against AWS APIs locally, ensuring it meets high standards before deployment.
- **Integration Testing:** Write and run integration tests for AWS services, ensuring all components work seamlessly together.
- **CI/CD Pipelines:** Test your infrastructure in CI/CD pipelines to catch errors early and avoid costly mistakes in production.
## Features and Limitations 🚀
LocalStack supports a wide range of AWS services but does come with some limitations. It does not provide the functionality to use and create all AWS resources. Additionally, not all features are available for free.
- **Community Version:** Provides access to core AWS services such as S3, SQS, DynamoDB, Lambda, etc., at no cost.
- **Pro Version:** Offers access to additional AWS services and enhanced features.
Here is a list of [community and pro version resources](https://docs.localstack.cloud/user-guide/aws/feature-coverage/) supported by LocalStack, along with information on the level of support compared to actual AWS resources.
## Getting Started with LocalStack 🛠️
Before you start, ensure you have a functional Docker environment installed on your computer.
### **Installation**. 📥
There are several ways to get started with LocalStack:
**LocalStack CLI:** The quickest way to start. You can create AWS resources through the terminal.
- Install via [brew](https://github.com/localstack/homebrew-tap).
- Download the [pre-built LocalStack CLI binary directly](https://github.com/localstack/localstack-cli/releases/tag/v3.4.0).
- Install using pip `python3 -m pip install localstack`
**Alternatives:**
Other methods include LocalStack Desktop, LocalStack Docker Extension, Docker-Compose, and Docker. You can find more details on these [alternatives](https://docs.localstack.cloud/getting-started/installation/#alternatives).
For this guide, we will use Docker-Compose to create DynamoDB and perform various actions on it.
### Interacting with LocalStack:
To interact with LocalStack, you can use the AWS CLI or the LocalStack AWS CLI in the command line interface.
### Creating DynamoDB with Docker-Compose 🗄️
**Set Up Docker-Compose:**
Create a docker-compose.yml file with the following content
```
version: "3.8"
services:
localstack:
container_name: "${LOCALSTACK_DOCKER_NAME:-localstack-main}"
image: localstack/localstack
ports:
- "127.0.0.1:4566:4566" # LocalStack Gateway
- "127.0.0.1:4510-4559:4510-4559" # external services port range
environment:
# LocalStack configuration: https://docs.localstack.cloud/references/configuration/
- DEBUG=${DEBUG:-0}
volumes:
- "${LOCALSTACK_VOLUME_DIR:-./volume}:/var/lib/localstack"
- "/var/run/docker.sock:/var/run/docker.sock"
```
The docker-compose.yml file specifies LocalStack to run as a service using the localstack/localstack image, exposing ports 4566 for AWS service simulations. The volumes configuration maps a local directory to LocalStack's temporary storage.
**Start LocalStack:**
Ensure LocalStack is running with the `docker-compose up` command.
**Create DynamoDB Table:**
Open a terminal and use the AWS CLI to create a DynamoDB table:
```
aws --endpoint-url=http://localhost:4566 dynamodb create-table --table-name my-table \
--attribute-definitions AttributeName=ID,AttributeType=S \
--key-schema AttributeName=ID,KeyType=HASH \
--provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5
```
**Verify Table Creation:**
List the tables to verify that your table has been created:
```
aws --endpoint-url=http://localhost:4566 dynamodb list-tables
```
### Automating Resource Creation with Scripts:
You can also write scripts to create different resources and mount the script folder to LocalStack volumes. This approach allows you to easily create all the resources in one go when starting LocalStack with Docker-Compose. This method is recommended for setting up a local development environment since you can't always write commands manually in the terminal.
_Start using LocalStack today to streamline your AWS development and testing processes._
🌟 Stay connected for more insights on using LocalStack with various cloud development tools. 🌟 | modgil_23 |
1,882,922 | Using the super Keyword | The keyword super refers to the superclass and can be used to invoke the superclass’s methods and... | 0 | 2024-06-10T08:39:28 | https://dev.to/paulike/using-the-super-keyword-3kip | java, programming, learning, beginners | The keyword super refers to the superclass and can be used to invoke the superclass’s methods and constructors. A subclass inherits accessible data fields and methods from its superclass. Does it inherit constructors? Can the superclass’s constructors be invoked from a subclass? This section addresses these questions and their ramifications.
The **this** Reference, introduced the use of the keyword **this** to reference the calling object. The keyword **super** refers to the superclass of the class in which **super** appears. It can be used in two ways:
- To call a superclass constructor.
- To call a superclass method.
## Calling Superclass Constructors
A constructor is used to construct an instance of a class. Unlike properties and methods, the constructors of a superclass are not inherited by a subclass. They can only be invoked from the constructors of the subclasses using the keyword **super**.
The syntax to call a superclass’s constructor is:
`super(), or super(parameters);`
The statement **super()** invokes the no-arg constructor of its superclass, and the statement **super(arguments)** invokes the superclass constructor that matches the **arguments**. The statement **super()** or **super(arguments)** must be the first statement of the subclass’s constructor; this is the only way to explicitly invoke a superclass constructor. For example, the constructor in lines 12–16 **CircleFromSimpleGeometricObject.java**, [here](https://dev.to/paulike/inheritance-superclasses-and-subclasses-5ede), can be replaced by the following code:
`public CircleFromSimpleGeometricObject(
double radius, String color, boolean filled) {
super(color, filled);
this.radius = radius;
}`
You must use the keyword **super** to call the superclass constructor, and the call must be the first statement in the constructor. Invoking a superclass constructor’s name in a subclass causes a syntax error.
## Constructor Chaining
A constructor may invoke an overloaded constructor or its superclass constructor. If neither is invoked explicitly, the compiler automatically puts **super()** as the first statement in the constructor. For example:
In any case, constructing an instance of a class invokes the constructors of all the superclasses along the inheritance chain. When constructing an object of a subclass, the subclass constructor first invokes its superclass constructor before performing its own tasks. If the superclass
is derived from another class, the superclass constructor invokes its parent-class constructor before performing its own tasks. This process continues until the last constructor along the inheritance hierarchy is called. This is called _constructor chaining_.
Consider the following code:
```
public class Faculty extends Employee {
public static void main(String[] args) {
new Faculty();
}
public Faculty() {
System.out.println("(4) Performs Faculty's tasks");
}
}
class Employee extends Person {
public Employee() {
this("(2) Invoke Employee's overloaded constructor");
System.out.println("(3) Performs Employee's tasks ");
}
public Employee(String s) {
System.out.println(s);
}
}
class Person {
public Person() {
System.out.println("(1) Performs Person's tasks");
}
}
```
`(1) Performs Person's tasks
(2) Invoke Employee's overloaded constructor
(3) Performs Employee's tasks
(4) Performs Faculty's tasks`
The program produces the preceding output. Why? Let us discuss the reason. In line 3, **new Faculty()** invokes **Faculty**’s no-arg constructor. Since **Faculty** is a subclass of **Employee**, **Employee**’s no-arg constructor is invoked before any statements in **Faculty**’s constructor are executed. **Employee**’s no-arg constructor invokes **Employee**’s second constructor (line 13). Since **Employee** is a subclass of **Person**, **Person**’s no-arg constructor is invoked before any statements in **Employee**’s second constructor are executed. This process is illustrated in the following figure.
If a class is designed to be extended, it is better to provide a no-arg constructor to avoid programming errors. Consider the following code:
`public class Apple extends Fruit {
}
class Fruit {
public Fruit(String name) {
System.out.println("Fruit's constructor is invoked");
}
}`
Since no constructor is explicitly defined in **Apple**, **Apple**’s default no-arg constructor is defined implicitly. Since **Apple** is a subclass of **Fruit**, **Apple**’s default constructor automatically invokes **Fruit**’s no-arg constructor. However, **Fruit** does not have a no-arg constructor, because **Fruit** has an explicit constructor defined. Therefore, the program cannot be compiled. If possible, you should provide a no-arg constructor for every class to make the class
easy to extend and to avoid errors.
## Calling Superclass Methods
The keyword **super** can also be used to reference a method other than the constructor in the superclass. The syntax is:
`super.method(parameters);`
You could rewrite the **printCircle()** method in the **Circle** class as follows:
`public void printCircle() {
System.out.println("The circle is created " +
super.getDateCreated() + " and the radius is " + radius);
}`
It is not necessary to put **super** before **getDateCreated()** in this case, however, because **getDateCreated** is a method in the **GeometricObject** class and is inherited by the **Circle** class. Nevertheless, in some cases, as shown in the next section, the keyword **super** is needed. | paulike |
1,882,920 | How to Hire a WordPress Development Services Company: The Complete Guide | Building a website can be a daunting task, especially if you're not a tech expert. That's where a... | 0 | 2024-06-10T08:37:23 | https://dev.to/pixlogix1/how-to-hire-a-wordpress-development-services-company-the-complete-guide-342m | webdev, development, wordpress | Building a website can be a daunting task, especially if you're not a tech expert. That's where a WordPress development services company comes in. They can handle everything from designing your website to ensuring it's secure and runs smoothly. But how do you find the right company for your project? This guide will help you understand the process step by step.
## Step 1: Identify Your Needs
Before you start looking for a WordPress development company, it's essential to know what you need. Here are some questions to ask yourself:
1. What is the purpose of your website?
2. What features and functionalities do you need?
3. What is your budget?
4. Do you need ongoing support and maintenance?
By answering these questions, you'll have a clear idea of what you're looking for, making it easier to find a company that fits your needs.
## Step 2: Research Potential Companies
Once you know what you need, it's time to start researching potential WordPress development companies. Here are some ways to find them:
1. Online Search: Use search engines to find WordPress development companies.
2. Reviews and Ratings: Check websites like Clutch, GoodFirms, and Google Reviews to see what other clients are saying.
3. Recommendations: Ask friends, colleagues, or business associates if they can recommend any good companies.
Make a list of potential companies and start looking into their backgrounds.
## Step 3: Check Their Portfolio
A company's portfolio can give you a good idea of their capabilities and style. Look for the following in their portfolio:
1. Variety of Projects: Do they have experience with different types of websites?
2. Design Quality: Are their designs visually appealing and user-friendly?
3. Functionality: Do their websites have the features you need?
Checking their portfolio will help you determine if they can deliver what you're looking for.
## Step 4: Read Client Testimonials and Case Studies
Client testimonials and case studies provide insights into a company's reliability and performance. Look for:
1. Positive Feedback: Consistently positive feedback is a good sign.
2. Detailed Case Studies: These show how the company handles projects from start to finish.
3. Long-Term Clients: Companies with long-term clients are likely doing something right.
This information can help you gauge how satisfied their clients are and how well they handle projects.
## Step 5: Evaluate Their Expertise and Experience
Experience and expertise are crucial when choosing a WordPress development company. Here’s what to look for:
1. Years in Business: Companies that have been around for a while are likely more reliable.
2. Specialized Knowledge: Do they have expertise in WordPress specifically?
3. Certifications and Awards: These can indicate a high level of competence and recognition in the industry.
Make sure the company has a strong track record and the necessary skills to handle your project.
## Step 6: Assess Their Communication Skills
Good communication is key to a successful project. Evaluate the company's communication skills by considering:
1. Response Time: Do they respond to inquiries promptly?
2. Clarity: Are they clear and concise in their communications?
3. Understanding Your Needs: Do they take the time to understand your requirements?
Effective communication ensures that your project stays on track and meets your expectations.
## Step 7: Discuss Pricing and Contracts
Before making a final decision, discuss pricing and contracts with the companies on your shortlist. Here are some tips:
1. Transparent Pricing: Make sure they provide clear and detailed pricing.
2. Flexible Contracts: Look for contracts that allow for some flexibility.
3. Payment Terms: Understand their payment terms and ensure they align with your budget.
Clear and transparent pricing helps avoid any surprises down the line.
## Step 8: Request a Proposal
Once you’ve narrowed down your list, request a proposal from each company. A good proposal should include:
1. Project Timeline: A detailed timeline of the project stages.
2. Cost Breakdown: A clear breakdown of costs.
3. Scope of Work: A detailed description of what will be done.
Review the proposals carefully to see which company offers the best value for your money.
## Step 9: Make Your Decision
After reviewing proposals, it’s time to make your decision. Consider the following:
1. Overall Fit: Which company seems like the best fit for your needs and budget?
2. Trust and Comfort: Do you feel comfortable and confident in their abilities?
Choose the company that meets your criteria and feels right for your project.
## Conclusion
Hiring a [WordPress development services](https://www.pixlogix.com/wordpress-development-services/) company doesn't have to be complicated. By following these steps, you can find a reliable company that will help you build a successful website. Remember to take your time, do thorough research, and choose a company that aligns with your needs and budget. Happy website building!
| pixlogix1 |
1,882,919 | Looking for memecoins on Stonfi in TON or is there life beyond Notcoin | Memcoins along with NFT are some of my least favorite crypto trends, no technology, just marketing.... | 0 | 2024-06-10T08:33:55 | https://dev.to/roma_i_m/looking-for-memecoins-on-stonfi-in-ton-or-is-there-life-beyond-notcoin-29b8 | blockchain, python, crypti | Memcoins along with NFT are some of my least favorite crypto trends, no technology, just marketing. But the explosive growth in Q1 2024 draws attention to the memecoin narrative. (According to coingecko, this is the most profitable narrative of Q1 2024, but there are questions about the methodology). Therefore, I suggest trying to find memecoins on TON blockchain by trying to put together a simple memecoin dashboard.
In the article, I want to figure out why memecoin analytical platforms look like a live feed of purchases of these very memecoins. Run through the new Stonfi APIs, the data from this DEX is now displayed on Dexscreener, and separate open APIs have appeared for this, which greatly affects the availability of data (and this is a problem in TON). And thirdly, look at some of your statistical hypotheses regarding pools.
## What are we going to look for?
If you google the definition of memecoins, the definitions will vary from the pyramids of our time to the digital meme currency, a new word in the field of social tech. Therefore, within the framework of this article, I offer my definition: Memcoin is a dynamically growing token without an initial utility, using Fomo mechanisms to ensure growth. This definition allows me to formulate a hypothesis: Memcoins are fast-growing small projects, which means you can first cut off large projects by the volume of their pools (Total Value Locked), and then consider small projects by the number of swaps for the last, for example, day.
## Building a TVL diagram for Stonfi pools - looking for the threshold beyond which memecoins
Let's start with TVL. Stonfi has two APIs v1/pools - returning the current state of pools and v1/stats/pools - statistics on pools for the period. Let's use v1/pools, we need the pool address, the addresses of the tokens that make up the pool and lp_total_supply_usd - the total supply of lp tokens in the pool. Lp tokens are automatically generated by DEX and credited to the liquidity provider for contributing assets to the liquidity pool. These tokens represent a share of the commissions earned by the liquidity pool. Accordingly, their supply in dollar terms will reflect the TVL.
```python
import requests
r = requests.get('https://api.ston.fi/v1/pools')
result = r.json()['pool_list']
temp_pool_list = [{'pool_address': pool['address'], 'token0_address': pool['token0_address'], 'token1_address': pool['token1_address'], 'tvl': round(float(pool['lp_total_supply_usd']),2)} for pool in result]
# Let's sort
sorted_pool_list = sorted(temp_pool_list, key=lambda d: d['tvl'],reverse=True)
sorted_pool_list[0:5]
```
After sorting we get:
It is easier to perceive information visually, so let's plot a graph:
```python
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
pool_addresses = [d['pool_address'][-4:] for d in sorted_pool_list]
tvl_values = [d['tvl'] for d in sorted_pool_list]
plt.bar(pool_addresses, tvl_values, color='skyblue',log=True)
plt.xlabel('Pool Address')
plt.ylabel('TVL')
plt.title('TVL for Pools')
plt.xticks(color='w')
plt.tight_layout()
```
Result:
This graphic clearly shows that the first couple of pools cover all the others in volume, it is also clear that there are plateaus, and the volume of locked funds allows to classify tokens into certain leagues, from small change to simply huge pools.
To play with hypotheses, let's make a pie chart, dividing all the pools by a certain threshold, and put the number of pools in the name, then it will be very clear, for example, that the first three pools in volume contain more than half of the locked liquidity.
```python
threshold = 10000000
big_pools = sum(item['tvl'] for item in sorted_pool_list if item['tvl']>=threshold)
small_pools = sum(item['tvl'] for item in sorted_pool_list if item['tvl']<threshold)
big_pools_count = len([item['tvl'] for item in sorted_pool_list if item['tvl']>=threshold])
small_pools_count = len([item['tvl'] for item in sorted_pool_list if item['tvl']<threshold])
labels = 'Big pools', 'Small pools'
sizes = [big_pools, small_pools]
fig, ax = plt.subplots()
ax.pie(sizes, labels=labels)
ax.set_title("Big pools count:{}, Small pools count {} ".format(big_pools_count,small_pools_count))
```
Result:
There is a pump fun launchpad on the Solana blockchain, it has a limit of 69k dollars, i.e. you can launch your token, but as soon as it grows above 69k dollars it will “go” to a large exchange, let's try this threshold:
But there are some nuances here, pools can contain pairs of any jettons (the standard of tokens on TON) or TON. But for the most part, these are pools:
- jetton - TON
- jetton - stablecoin
- jetton - Notcoin
Notcoin can be called the largest TON memecoin, so our simple dashboard should start with the dominance of Notcoin. Let's check the diagram:
```python
Notcoin = 'EQAvlWFDxGF2lXm67y4yzC17wYKD9A0guwPkMs1gOsM__NOT'
not_pools = sum(item['tvl'] for item in sorted_pool_list if item['token0_address']==Notcoin or item['token1_address']==Notcoin )
notnot_pools = sum(item['tvl'] for item in sorted_pool_list if item['token0_address']!=Notcoin or item['token1_address']!=Notcoin )
not_count = len([item['tvl'] for item in sorted_pool_list if item['token0_address']==Notcoin or item['token1_address']==Notcoin])
notnot_count = len([item['tvl'] for item in sorted_pool_list if item['token0_address']!=Notcoin or item['token1_address']!=Notcoin])
labels = 'Notcoin pools', 'Other pools count'
sizes = [not_pools, notnot_pools]
fig, ax = plt.subplots()
ax.pie(sizes, labels=labels)
ax.set_title("Notcoin pools count:{}, Other pools count {} ".format(not_count,notnot_count))
```
Result:
As you can see, compared to other tokens, Notcoin is huge and its dominance is worth considering when reviewing the TON memecoin market.
**Liquidity problem**
Okay, let's say you've chosen some TVL threshold and looked at Notcoin dominance, but there's no point in looking at TVL any further. Small pools suffer from a liquidity problem - they simply don't have enough swaps. And the liquidity locked in them doesn't allow you to compare them.
That's why memecoin analytics platforms often look like a live feed. Applications scan blocks for swaps in small pools. This allows you to see in about a minute which memecoin is currently growing. To make it clearer what it looks like, I've put together something similar for Stonfi pools:
[tonhotshot.fun](https://tonhotshot.fun/)
First, pools are scanned and the largest pool up to 69k TVL is found - the king of the hill
Then each block is scanned for transactions in Stonfi in pools up to 69k.
And the data is taken from the publicly available Stonfi APIs that I mentioned earlier. Let's try to build our own dashboard on this data.
**Ranking Memcoins on Stonfi**
We will take data on swaps from the new API created for Dexscreener, this is the Events API (export/dexscreener/v1/events). This API returns all DEX Stonfi events between two blocks. Let's say we select a period of a day for our dashboard, where can we get the current block to start from? There are two options:
The first option is to use the neighboring handle export/dexscreener/v1/latest-block, it will return the last block processed by the exchange backend, which indexes the blockchain and allows us to get data in an aggregated form. The advantage of this approach is that we will get the last block processed by the indexer, the disadvantage is that the handle works on average 10 seconds and this is not always convenient.
```python
ltb = requests.get('https://api.ston.fi/v1/screener/latest-block')
lastest_block = ltb.json()['block']['blockNumber']
```
The second option is to simply take the last block from the blockchain, yes, the last block in the blockchain is not equal to the last block processed by the exchange indexer, but it is fast, one of the options for how to do this:
```python
# RPS 1 sec
ltb = requests.get('https://toncenter.com/api/v3/masterchainInfo')
return ltb.json()['last']['seqno']
```
Let's say we take all the events, how do we remove large blocks? Just like we did at the beginning - get all the pools and remove those we don't need:
```python
def get_block_list(sorted_pool_list,threshold):
Notcoin = 'EQAvlWFDxGF2lXm67y4yzC17wYKD9A0guwPkMs1gOsM__NOT'
return [item['pool_address'] for item in sorted_pool_list if item['tvl']>=threshold or item['token0_address'] == Notcoin or item['token1_address'] == Notcoin]
```
We will also immediately remove pools with notcoin, since we are looking for new memecoins.
After collecting events, we will immediately count the number using Counter:
```python
def count_swap_events(sorted_pool_list,threshold):
blocker = get_block_list(sorted_pool_list,threshold)
ltb = requests.get('https://api.ston.fi/v1/screener/latest-block')
lastest_block = ltb.json()['block']['blockNumber']
start_block=lastest_block - int(86400/5) # TON "sync" block every 5 second, in a day 86400 second
payload = {'fromBlock': start_block, 'toBlock': lastest_block}
r = requests.get('https://api.ston.fi/export/dexscreener/v1/events', params=payload)
count_arr=[]
for item in r.json()['events']:
if(item['eventType']=='swap'):
if(item["pairId"] not in blocker):
count_arr.append(item)
c = Counter()
for event in count_arr:
c[event["pairId"]] += 1
```
To grab a couple more handles, we will enrich our data using only the pool address, for this we will use /export/dexscreener/v1/pair/ to get the token addresses and use /v1/assets/ to get the token names or TON.
```python
def pool_pair(pool_addr):
p = requests.get('https://api.ston.fi/export/dexscreener/v1/pair/{}'.format(pool_addr))
try:
pair=p.json()['pool']
return jetton_name(pair['asset0Id']) +"-"+ jetton_name(pair['asset1Id'])
except:
return pool_addr
```
Here I will note that this is just a tutorial and all the code is written as primitively as possible so that you can read it diagonally. Let's enrich our Counter and sort it:
```python
def count_swap_events(sorted_pool_list,threshold):
blocker = get_block_list(sorted_pool_list,threshold)
ltb = requests.get('https://api.ston.fi/v1/screener/latest-block')
lastest_block = ltb.json()['block']['blockNumber']
start_block=lastest_block - int(86400/5) # TON "обновляет" блоки каждые 5 секунд в дне 86400 секунд
payload = {'fromBlock': start_block, 'toBlock': lastest_block}
r = requests.get('https://api.ston.fi/export/dexscreener/v1/events', params=payload)
count_arr=[]
for item in r.json()['events']:
if(item['eventType']=='swap'):
if(item["pairId"] not in blocker):
count_arr.append(item)
c = Counter()
for event in count_arr:
c[event["pairId"]] += 1
enriched_arr=[]
for pool in sorted(list(c.items()), key=lambda d: d[1],reverse=True)[0:30]:
enriched_arr.append({"pool": pool_pair(pool[0]),'24h_swaps':pool[1]})
return enriched_arr
```
Result is something like this:
Of course, there is much that can be improved, but I suggest the reader to complete the dashboard himself, all Stonfi APIs can be viewed here - https://api.ston.fi/swagger-ui/
## Conclusion
I admire the TON blockchain for its technical elegance, at least it is not another copy of Ethereum, which is accelerated with the help of large capital without looking back, and in general why does the user need it. If you want to learn more about the TON blockchain, I have open source lessons, thanks to which you will learn how to create full-fledged applications on TON.
https://github.com/romanovichim/TonFunClessons_ENG
I throw new tutorials and data analytics [here](https://t.me/ton_learn)
| roma_i_m |
1,882,916 | How to create a dismissible cookie banner with Tailwind CSS and JavaScript | Let's rebuild a cookie banner with Tailwind CSS and JavaScript, just like the previous one with... | 0 | 2024-06-10T08:31:31 | https://dev.to/mike_andreuzza/how-to-create-a-dismissible-cookie-banner-with-tailwind-css-and-javascript-12li | javascript, tailwindcss, tutorial | Let's rebuild a cookie banner with Tailwind CSS and JavaScript, just like the previous one with Alpine JS
- [Read the article, See it live and get the code](https://lexingtonthemes.com/tutorials/how-to-create-a-dissmisable-cookie-banner-with-tailwind-css-and-javascript/)
| mike_andreuzza |
1,882,914 | Front-end filtering with #CodePenChallenge and WebDataRocks | Hi folks! As the new month approaches, the new CodePen challenge is announced! This time, the tasks... | 0 | 2024-06-10T08:30:37 | https://dev.to/juliianikitina/front-end-filtering-with-codepenchallenge-and-webdatarocks-20ko | frontend, codepen, javascript, css | Hi folks!
As the new month approaches, the new CodePen challenge is announced! This time, the tasks will focus on scrolling.
But in this post, I want to share with you the results of [May's CodePen challenge](https://codepen.io/challenges/2024/may) - Filter themed!
So for each week, participants were challenged to try front-end filtering, using techniques from CSS, JavaScript, and SVG.
And here are our results! As always, we use WebDataRocks as the base and CodePen tasks as an inspiration.
## [Week 1 CSS filter](https://codepen.io/webdatarocks/pen/VwOarKz)
The CSS filter in this CodePen applies a blur effect to certain cells in the WebDataRocks Pivot Table and turns it off based on user interaction. Let's break down how it works:
1. **CSS Code**:
- The CSS code defines a class called "hidden" which applies a `filter: blur(2.5px)` property. This property applies a blur effect to elements with this class.
- The `filter` property in CSS is used to apply visual effects like blur, grayscale, etc., to elements.
```
#wdr-pivot-view #wdr-grid-view div.hidden {
filter: blur(2.5px);
}
```
2. **JavaScript Code**:
- The JavaScript code defines an event listener for the "cellclick" event on the pivot table.
- When a cell is clicked, the event listener updates the `visibleNumber` object with the index of the clicked cell's row and column.
- The `pivot.customizeCell()` method is used to customize the appearance of cells in the pivot table.
- Within the `customizeCell` function:
- It checks if the cell type is "value", meaning it contains numerical data.
- It ensures the cell is not a drill-through cell (a cell that can be clicked to view more detailed data).
- It checks if the cell is a grand total column (a total calculated across all rows for a specific column).
- It applies the "hidden" class to cells that are grand total columns and do not match the clicked cell's row and column indexes.
```
const visibleNumber = {
rowIndex: undefined,
columnIndex: undefined
}
pivot.on("cellclick", (cell) => {
visibleNumber.rowIndex = cell.rowIndex;
visibleNumber.columnIndex = cell.columnIndex;
pivot.refresh();
});
pivot.customizeCell((cellBuilder, cellData) => {
if (cellData.type == "value" &&
!cellData.isDrillThrough &&
cellData.isGrandTotalColumn &&
!(cellData.rowIndex == visibleNumber.rowIndex &&
cellData.columnIndex == visibleNumber.columnIndex)) {
cellBuilder.addClass("hidden");
}
});
```
3. **How it Works**:
- When a user clicks on a cell in the pivot table, the event listener captures the row and column indexes of the clicked cell and defines that cell as visible.
- After that, the `customizeCell` function iterates through all cells in the pivot table.
- If a cell meets the criteria (being a grand total column and not matching the clicked cell's row and column indexes), it applies the "hidden" class, which in turn applies a blur effect to those cells.
In summary, this implementation allows users to selectively apply and remove a blur effect to certain cells in the WebDataRocks pivot table based on their interactions.
## [Week 2 JavaScript filter](https://codepen.io/webdatarocks/pen/BaeKrvE)
Here, the JavaScript function customizes the the Toolbar of WebDataRocks by removing a specific tab, the "Connect" tab, from the the Toolbar. Let's break down how it works:
1. **`customizeToolbar` Function**:
- This function is called to customize the the Toolbar.
- It takes the `toolbar` object as a parameter, which represents the the Toolbar of the pivot table.
2. **Get Existing Tabs**:
- The `getTabs()` method of the `toolbar` object retrieves an array of tabs currently present in the the Toolbar.
3. **Filtering Tabs**:
- The `filter()` method is called on the array of tabs retrieved from `getTabs()`.
- Within the filter function, each tab is checked to see if its id is not equal to "wdr-tab-connect".
- If the tab's id is not "wdr-tab-connect", it is included in the filtered array, effectively removing the "Connect" tab from the toolbar.
4. **Return Filtered Tabs**:
- After filtering, the function returns the modified array of tabs, which no longer includes the "Connect" tab.
5. **Integration with WebDataRocks**:
- This function needs to be integrated with the WebDataRocks pivot table by assigning it to the `beforetoolbarcreated` property of the WebDataRocks configuration object.
Example:
```javascript
var pivot = new WebDataRocks({
container: "#wdr-component",
toolbar: true,
width: "100%",
height: 350,
width: 850,
beforetoolbarcreated: customizeToolbar,
report: {...}});
```
## Week 3 SVG filter
Actually... We didn't come out with a good idea of how to apply this to WebDataRocks, so we just skipped the week(
But maybe you can help! If you have any ideas on how we could implement an SVG filter with the component - share them in the comments below.
## [Week 4 Filter Fest!](https://codepen.io/webdatarocks/pen/ZENBrwr)
The challenge is finding a way to combine as many filter types as possible in a single Pen.
We used this opportunity to create a cute demo explaining all our filters available in WebDataRocks out-of-the-box.
## To sum up...
And that's all the creations of the previous month! You can check and play with all the pens, fork them, and try to build something on them. And I will go drink some filter and take a break) Till next month! | juliianikitina |
1,882,913 | How to use react-icons in React with TypeScript | Hello everyone..! This is for the all learners who wants to try and use react-icons which is also an... | 0 | 2024-06-10T08:29:01 | https://dev.to/tapesh02/how-to-use-react-icons-in-react-with-typescript-2cgi | react, typescript, webdev, tutorial | Hello everyone..!
This is for the all learners who wants to try and use react-icons which is also an open source and free icons library package to use.
Lets start implementing it.
**First and foremost** thing to do is, install the npm package by running `npm i react-icons` or `npm install react-icons`.
**Secondly,** you have to install prop-types using `npm i prop-types` as TypeScript doesn't like the missing props validation and frankly this is the best practice to follow as well.
Once that is install try to import that into your parent component where you want to use it. To do so, use import statement like `import {FaDev} from "react-icons"`.
Check out [react-icons page](https://react-icons.github.io/react-icons/search/#q=)
**Next** import Icons Types which is provided by react-icons it self to work with Typescript else you might get an error as soon as you start using it normally like we do in react-JavaScript. Use `import {IconType } from "react-icons"` to import types.
Now we have done the basic setup its time to create a reusable component for using this, which is more common approach according to me. To do so, start by creating the component you can create anywhere but more common convention is to keep these inside components/utils or components/ui folder depends on how is your folder structure, but feel free to adopt as per your need.
Below is the code which you can copy paste.
```import { IconType } from "react-icons";
import PropTypes from "prop-types";
interface IconStar {
icon: IconType;
}
const IconComponent: React.FC<IconStar> = ({ icon: Icon }) => {
return <Icon />;
};
IconComponent.propTypes = {
icon: PropTypes.func.isRequired,
};
export default IconComponent;```
**Woah...!** that's it now you are ready to use it just like a normal react component and all the error's you see would be gone.
`<IconComponent icon={FaDev}/>`
Thanks for reading this and if you like the content, please do like and share, also suggestions in comment are most welcomed. | tapesh02 |
1,882,912 | Laravel'de Eloquent ORM İlişkileri: Junior'a Yönelik Kapsamlı Rehber | Laravel'de Eloquent ORM (Object-Relational Mapping), veritabanı ile çalışmayı oldukça kolay ve etkili... | 0 | 2024-06-10T08:28:52 | https://dev.to/baris/laravelde-eloquent-orm-iliskileri-juniora-yonelik-kapsamli-rehber-5559 | Laravel'de Eloquent ORM (Object-Relational Mapping), veritabanı ile çalışmayı oldukça kolay ve etkili hale getirir. Eloquent ORM, veritabanı tablolarımızı ve bu tablolar arasındaki ilişkileri kolayca tanımlamamıza ve yönetmemize olanak sağlar. Bu makalede, Eloquent ORM ilişkilerini ayrıntılı bir şekilde ele alacağız. "BelongsToMany", "HasMany" gibi ilişkilerin ne olduğunu, hangi durumlarda kullanıldığını ve nasıl kullanıldığını örnek kodlarla açıklayacağız.
### Eloquent ORM İlişki Türleri
#### 1. One-to-One (Bire Bir) İlişkisi
Bir bire bir ilişkisi, bir tablodaki bir kaydın başka bir tablodaki bir kayda bağlanmasıdır. Örneğin, bir kullanıcının yalnızca bir profili olabilir.
##### Örnek:
- Bir `User` ve `Profile` tabloları olduğunu varsayalım. Her kullanıcının yalnızca bir profili vardır.
**User Model:**
```php
class User extends Model
{
public function profile()
{
return $this->hasOne(Profile::class);
}
}
```
**Profile Model:**
```php
class Profile extends Model
{
public function user()
{
return $this->belongsTo(User::class);
}
}
```
Bu ilişkide, `users` tablosu `profiles` tablosuyla bire bir ilişkilidir. `User` modelinde `hasOne(Profile::class)` yöntemi kullanılır çünkü bir kullanıcı sadece bir profile sahip olabilir. `Profile` modelinde `belongsTo(User::class)` yöntemi kullanılır çünkü bir profil bir kullanıcıya aittir.
#### 2. One-to-Many (Bire Çok) İlişkisi
Bir bire çok ilişkisi, bir tablodaki bir kaydın başka bir tablodaki birden fazla kayda bağlanmasıdır. Örneğin, bir kullanıcının birden fazla blog gönderisi olabilir.
##### Örnek:
- Bir `User` ve `Post` tabloları olduğunu varsayalım. Her kullanıcının birden fazla blog gönderisi olabilir.
**User Model:**
```php
class User extends Model
{
public function posts()
{
return $this->hasMany(Post::class);
}
}
```
**Post Model:**
```php
class Post extends Model
{
public function user()
{
return $this->belongsTo(User::class);
}
}
```
Bu ilişkide, `users` tablosu `posts` tablosuyla bire çok ilişkilidir. `User` modelinde `hasMany(Post::class)` yöntemi kullanılır çünkü bir kullanıcı birçok blog gönderisine sahip olabilir. `Post` modelinde `belongsTo(User::class)` yöntemi kullanılır çünkü bir blog gönderisi bir kullanıcıya aittir.
#### 3. Many-to-Many (Çoktan Çoğa) İlişkisi
Bir çoktan çoğa ilişkisi, bir tablodaki birçok kaydın başka bir tablodaki birçok kayda bağlanmasıdır. Örneğin, bir öğrencinin birçok kursu olabilir ve bir kursun birçok öğrencisi olabilir.
##### Örnek:
- Bir `Student` ve `Course` tabloları olduğunu varsayalım. Her öğrencinin birçok kursu olabilir ve her kursun birçok öğrencisi olabilir. Bu tür ilişkilerde genellikle ara bir tablo (pivot table) kullanılır.
**Student Model:**
```php
class Student extends Model
{
public function courses()
{
return $this->belongsToMany(Course::class);
}
}
```
**Course Model:**
```php
class Course extends Model
{
public function students()
{
return $this->belongsToMany(Student::class);
}
}
```
Ara tablo genellikle iki tablonun isimlerinin birleşiminden oluşur, örneğin `course_student`. Bu tablo, `student_id` ve `course_id` sütunlarını içerir.
**Migration Örneği:**
```php
Schema::create('course_student', function (Blueprint $table) {
$table->id();
$table->foreignId('student_id')->constrained()->onDelete('cascade');
$table->foreignId('course_id')->constrained()->onDelete('cascade');
$table->timestamps();
});
```
#### 4. Has Many Through (Dolaylı Bire Çok) İlişkisi
Dolaylı bire çok ilişkisi, bir modelin, bir başka model üzerinden ilişkili olduğu birçok modelin varlığı durumudur. Örneğin, bir ülkenin birçok şehri ve şehirlerin de birçok kullanıcısı olabilir.
##### Örnek:
- Bir `Country`, `City` ve `User` tabloları olduğunu varsayalım. Her ülkenin birçok şehri ve her şehrin birçok kullanıcısı vardır.
**Country Model:**
```php
class Country extends Model
{
public function users()
{
return $this->hasManyThrough(User::class, City::class);
}
}
```
**City Model:**
```php
class City extends Model
{
public function country()
{
return $this->belongsTo(Country::class);
}
public function users()
{
return $this->hasMany(User::class);
}
}
```
**User Model:**
```php
class User extends Model
{
public function city()
{
return $this->belongsTo(City::class);
}
}
```
Bu ilişkide, `countries` tablosu `users` tablosuna `cities` tablosu üzerinden dolaylı olarak bağlıdır.
#### 5. Polymorphic Relations (Çok Biçimli İlişkiler)
Çok biçimli ilişkiler, farklı modellerin aynı ilişkisel yapıyı paylaşmasına izin verir. Örneğin, hem `Post` hem de `Video` modellerinin yorumları olabilir.
##### Örnek:
- Bir `Post`, `Video` ve `Comment` tabloları olduğunu varsayalım. Hem gönderilerin hem de videoların yorumları olabilir.
**Post Model:**
```php
class Post extends Model
{
public function comments()
{
return $this->morphMany(Comment::class, 'commentable');
}
}
```
**Video Model:**
```php
class Video extends Model
{
public function comments()
{
return $this->morphMany(Comment::class, 'commentable');
}
}
```
**Comment Model:**
```php
class Comment extends Model
{
public function commentable()
{
return $this->morphTo();
}
}
```
`comments` tablosu, `commentable_id` ve `commentable_type` sütunlarını içerir. Bu sütunlar, hangi modelin yorumu olduğunu belirtir.
### Özet
- **`hasOne`**: Bir modelin başka bir modelle bire bir ilişkili olduğunu belirtir.
- **`belongsTo`**: Bir modelin başka bir modelin bir parçası olduğunu belirtir.
- **`hasMany`**: Bir modelin başka bir modelle bire çok ilişkili olduğunu belirtir.
- **`belongsToMany`**: Bir modelin başka bir modelle çoktan çoğa ilişkili olduğunu belirtir.
### Kullanım Senaryoları
- `hasOne`: Bir kullanıcının yalnızca bir profili olduğunda.
- `belongsTo`: Bir profilin yalnızca bir kullanıcısı olduğunda.
- `hasMany`: Bir kullanıcının birden fazla blog gönderisi olduğunda.
- `belongsToMany`: Bir öğrencinin birçok kursu ve bir kursun birçok öğrencisi olduğunda. | baris | |
1,882,911 | I AM NEW HERE | Join me | 0 | 2024-06-10T08:25:13 | https://dev.to/vivikha_bunjo_c800dee5e09/i-am-new-here-3n7p | newbie, here, webdev, javascript | Join me | vivikha_bunjo_c800dee5e09 |
1,882,910 | Beginner Guide to React Storybook | ## Storybook Storybook is a powerful open source tool that allows developers to develop UI... | 0 | 2024-06-10T08:24:17 | https://dev.to/smrpdl1991/beginner-guide-to-react-storybook-1nih | javascript, react, storybook, webdev | **## Storybook**
Storybook is a powerful open source tool that allows developers to develop UI components isolated from business logic and context of app.
Storybook provides an interactive playground to develop and browse your component.
Change on one component won't affect the others.
Without embedding it to your app, it can serve as a workshop environment to see how components look and behave in various state.
**## Getting Started with Storybook**
Developing a reusable UI is important aspect for developing modern web app, which will enable us to efficient and streamlined development process.
In this article, we will explore how to create a robust UI components using React, Storybook, Typescript and tailwind.
**## Setting up the environment**
1. Install Node.js and npm (Node Package Manager) on your pc. You can
download it from (https://nodejs.org/en)
2. Create a New Folder with name learn_storybook for your ui library and
navigate to its terminal . Run following command:
```
npm create vite@latest my-storybook-project -- --template react-ts
```
This command will create a new react app with typescript template . Your project name here is my-storybook-project. You can change it if you want.
```
cd my-storybook-project
```
## Installing dependencies
```
npx storybook@latest init
```
This will setup Storybook.
```
npm install -D tailwindcss postcss autoprefixer
```
This will install Tailwind css , postcss and autoprefixer.
**## Configuring Tailwind css**
1. Create tailwind.config.ts
```
export default {
content: ["./index.html", "./src/**/*.{js,ts,jsx,tsx}"],
theme: {
extend: {
},
},
plugins: [],
};
```
2. create a postcss.config.js file in the project root
```
module.exports = {
plugins: {
tailwindcss: {},
autoprefixer: {},
},
}
```
3. Finally, import Tailwind css in your src/index.css
```
@tailwind base;
@tailwind components;
@tailwind utilities;
```
4. In Storybook configuration folder i.e. .storybook, open preview.ts and add
```
import "../src/index.css";
```
Now , our environment is setup , we will now create a components inside src folder .
Lets create a folder called components (you can delete the stories folder, inside src which was created by default while we setup the storybook ,if you want).
You can create a new folder inside the components directory for each ui component which you want to work with.
Here , let's create a folder called breadcrumb inside components folder. We will now create a breadcrumb component and it's stories.
Inside breadcrumb folder , create Breadcrumb.tsx file and __docs__ folder. Inside __docs__ folder , create Breadcrumb.stories.tsx file as in the figure :
Now add this code inside **BreadCrumb.tsx**
```
import React, { ReactNode } from "react";
/* eslint-disable @typescript-eslint/no-explicit-any */
export function slugify(text: any) {
return text
.toString()
.toLowerCase()
.replace(/\s+/g, "-") // Replace spaces with -
.replace(/[^\w-]+/g, "") // Remove all non-word characters
.replace(/--+/g, "-") // Replace multiple - with single -
.replace(/^-+/, "") // Trim - from start of text
.replace(/-+$/, ""); // Trim - from end of text
}
interface BreadcrumbsProps {
title: string | ReactNode;
path?: { id: number; link: string; label: string }[];
children?: ReactNode;
previcon?: React.JSX.Element;
onClick?: () => void;
}
const Breadcrumbs: React.FC<BreadcrumbsProps> = ({
title,
path,
children,
previcon,
onClick,
}) => {
return (
<div
className={`breadcrumb bg-danger-0 px-6 py-4 flex items-center gap-5 breadcrumb-${
title ? slugify(title) : "default"
}`}
>
{previcon && (
<div
className="icon w-[36px] h-[36px] inline-flex items-center justify-center border border-neutral-200 rounded cursor-pointer"
onClick={onClick}
>
{previcon}
</div>
)}
<div
className={`inline-flex flex-wrap items-center justify-between ${
previcon ? "w-[calc(100%_-_50px)]" : "w-full"
}`}
>
<div className="title-wrap">
{title && (
<h1 className="text-2xl text-neutral-500 font-semibold">{title}</h1>
)}
{path && (
<ul className="breadcrumb list-none flex items-center gap-1">
{path
.filter((path) => path?.label !== "")
.map((segment) => (
<>
{segment.label === "" ? undefined : (
<li
key={segment?.id}
className="breadcrumb-item font-normal text-sm inline-flex after:content-['/'] after:block last:after:content-none after:ml-1 after:text-gray-500"
>
{(() => {
switch (true) {
case segment?.id !== path.length - 1:
return (
<a
href={segment?.link ?? "/"}
className="text-gray-500"
>
{segment?.label}
</a>
);
default:
return (
<span className="text-gray-800">
{segment?.label}
</span>
);
}
})()}
</li>
)}
</>
))}
</ul>
)}
</div>
{children && (
<div className="other-accessories ml-auto flex flex-wrap gap-4">
{children}
</div>
)}
</div>
</div>
);
};
export default Breadcrumbs;
```
This component accepts title , breadcrumb paths , prevIcon, children and onClick event to trigger prevIcon Icon.
Inside **Breacrumb.stories.tsx**, add :
```
import type { Meta, StoryObj } from "@storybook/react";
import React from "react";
import { fn } from "@storybook/test";
import Breadcrumbs from "../Breadcrumb";
// More on how to set up stories at: https://storybook.js.org/docs/react/writing-stories/introduction
const path = [
{
id: 0,
link: "/",
label: "Home",
},
{
id: 1,
link: "/news",
label: "News",
},
{
id: 2,
link: "/nepal-win-the-race",
label: "Nepal win the race",
},
];
const PrevPageSvg = () => (
<svg
width="20"
height="20"
className="cursor-pointer"
viewBox="0 0 20 20"
fill="none"
xmlns="http://www.w3.org/2000/svg"
>
<path
d="M17.5005 10.0003C17.5005 10.1661 17.4346 10.3251 17.3174 10.4423C17.2002 10.5595 17.0413 10.6253 16.8755 10.6253H4.63409L9.19268 15.1832C9.25075 15.2412 9.29681 15.3102 9.32824 15.386C9.35967 15.4619 9.37584 15.5432 9.37584 15.6253C9.37584 15.7075 9.35967 15.7888 9.32824 15.8647C9.29681 15.9405 9.25075 16.0095 9.19268 16.0675C9.13461 16.1256 9.06567 16.1717 8.9898 16.2031C8.91393 16.2345 8.83261 16.2507 8.75049 16.2507C8.66837 16.2507 8.58705 16.2345 8.51118 16.2031C8.43531 16.1717 8.36637 16.1256 8.3083 16.0675L2.6833 10.4425C2.62519 10.3845 2.57909 10.3156 2.54764 10.2397C2.51619 10.1638 2.5 10.0825 2.5 10.0003C2.5 9.91821 2.51619 9.83688 2.54764 9.76101C2.57909 9.68514 2.62519 9.61621 2.6833 9.55816L8.3083 3.93316C8.42558 3.81588 8.58464 3.75 8.75049 3.75C8.91634 3.75 9.0754 3.81588 9.19268 3.93316C9.30996 4.05044 9.37584 4.2095 9.37584 4.37535C9.37584 4.5412 9.30996 4.70026 9.19268 4.81753L4.63409 9.37535H16.8755C17.0413 9.37535 17.2002 9.4412 17.3174 9.55841C17.4346 9.67562 17.5005 9.83459 17.5005 10.0003Z"
fill="#121212"
/>
</svg>
);
const meta: Meta = {
title: "components/BreadCrumb",
component: Breadcrumbs,
tags: ["autodocs"],
} satisfies Meta<typeof Breadcrumbs>;
export default meta;
type Story = StoryObj<typeof meta>;
export const Primary: Story = {
args: {
title: "Breadcrumb Page",
path: path,
children: <div>add anything here</div>,
previcon: <PrevPageSvg />,
onClick: fn(),
},
};
```
This file defines stories of Breacrumb from where we can implement the path of the pages with title along with prev button and the children , where we can add anything we need more .
**## Running Storybook**
To run storybook, add following code :
```
npm run storybook
```
This will start storybook development server. Now, You can see the Breadcrumb component in the Storybook interface.
**## Conclusion**
We have now successfully created a react ui using storybook, typescript, tailwind using vite.
Now we can use this stories and component on your projects, share with others.
From this we came to know that , storybook provides a solid foundation for building scalable and maintainable ui component in react.
| smrpdl1991 |
1,882,909 | CUET Exam CutOff 2022: Strategies to Secure Your Spot | The release of the CUET Exam CutOff 2022 marks a pivotal moment for aspirants seeking admission to... | 0 | 2024-06-10T08:23:05 | https://dev.to/babita_kumari_2b60a23f4a9/cuet-exam-cutoff-2022-strategies-to-secure-your-spot-1e2h |
The release of the CUET Exam CutOff 2022 marks a pivotal moment for aspirants seeking admission to undergraduate programs at central universities in India. As the competition intensifies and the stakes rise, it becomes essential for candidates to adopt strategic approaches to secure their spot in their desired courses and institutions. In this article, we will explore effective strategies to navigate the CUET Exam CutOff 2022 and enhance your chances of securing admission, focusing on actionable steps to maximize your success.
Understanding the CUET CutOffs
The [CUET Exam CutOff 2022](https://cuetacademy.online/nta-cuet-exam-cutoff/) marks represent the minimum scores required for candidates to qualify for admission to undergraduate programs offered by central universities. These cut-offs serve as benchmarks for evaluating candidates' performance in the entrance exam and determining their eligibility for admission. Understanding the nuances of CUET cut-offs is crucial for aspirants, as it enables them to strategize their approach and optimize their chances of securing admission to their desired courses and institutions.
Strategies to Secure Your Spot
1. Early Preparation
Start your preparation early to give yourself sufficient time to cover the entire syllabus thoroughly. Create a study schedule that allocates dedicated time for each subject and topic, ensuring comprehensive coverage. Early preparation allows you to pace yourself, identify areas of strength and weakness, and make necessary adjustments to your study plan along the way.
2. Mock Tests and Practice Papers
Practice regularly with mock tests and previous years' question papers to familiarize yourself with the exam pattern and time constraints. Mock tests help you simulate the exam environment, improve your time management skills, and identify areas where you need to focus your efforts. Analyze your performance in mock tests to gauge your progress and refine your preparation strategy accordingly.
3. Focus on Weak Areas
Identify your weak areas and allocate additional time and resources to strengthen them. Whether it's a particular subject, topic, or type of question, focusing on your weaknesses allows you to improve your overall performance and minimize the risk of losing marks in those areas. Seek help from teachers, tutors, or online resources to clarify doubts and reinforce concepts that you find challenging.
4. Strategic Revision
Devise a strategic revision plan that prioritizes key concepts, formulas, and problem-solving techniques. Reviewing the entire syllabus multiple times may not be feasible, so focus on high-yield topics and frequently asked questions. Use mnemonic devices, mind maps, and other memory aids to retain information more effectively and recall it during the exam.
5. Stay Updated with Current Affairs
Stay informed about current affairs, developments in your field of study, and relevant topics that may be included in the exam. Reading newspapers, magazines, and online publications regularly can help you stay updated with the latest news and events. Incorporate current affairs into your study routine and practice integrating them into your answers to demonstrate your awareness and analytical skills.
6. Time Management in Exam
Manage your time effectively during the exam to ensure that you can complete all sections within the allotted time. Allocate specific time limits for each section based on its weightage and difficulty level. If you encounter a challenging question, don't dwell on it for too long; instead, move on to other questions and come back to it later if time permits.
7. Remain Calm and Confident
Maintain a positive mindset and stay calm and confident throughout the exam. Trust in your preparation and abilities, and approach each question with a clear and focused mindset. Avoid panicking or getting flustered by difficult questions; instead, stay composed and tackle them methodically. Remember that confidence and composure can significantly impact your performance.
8. Post-Exam Analysis
After the exam, conduct a thorough analysis of your performance to identify areas of strength and areas that need improvement. Review the questions you answered correctly and those you missed to understand your mistakes and learn from them. Use this feedback to refine your preparation strategy for future exams and address any gaps in your knowledge.
Conclusion
Securing your spot in the CUET Exam CutOff 2022 requires diligent preparation, strategic planning, and effective execution. By adopting the strategies outlined in this article and staying focused on your goals, you can enhance your chances of achieving success in the CUET exam and securing admission to your desired course and institution. Remember to stay disciplined, remain adaptable, and stay motivated throughout your preparation journey. With determination and perseverance, you can overcome any challenges and realize your aspirations of pursuing higher education at esteemed central universities. | babita_kumari_2b60a23f4a9 | |
1,882,908 | Aluminum Pipes: Versatile Options for Aerospace and Automotive Industries | Aluminum Pipes : The Super Material for Aerospace plus Automotive... | 0 | 2024-06-10T08:22:52 | https://dev.to/sjjuuer_msejrkt_08b4afb3f/aluminum-pipes-versatile-options-for-aerospace-and-automotive-industries-45l3 | design |
Aluminum Pipes : The Super Material for Aerospace plus Automotive organizations
Introduction
Aluminum pipelines try equipment which can be versatile in several organizations for a number of specifications. Aerospace plus businesses being automotive commonly embraced aluminum pipelines in terms of their quality that are best, plus freedom. Aluminum pipelines want revolutionized the actual manner in which developers design plus create merchandise that want the vitality we will explore some good great things about using aluminum pipelines, the safety aspects, innovation, applications, plus just how to work with them that you need try lightness, plus durability.
Great things about Aluminum Pipes
Aluminum pipelines has several advantages, producing them appropriate organizations which can be many. First, they are lightweight, meaning they may be efficiently set-up plus transported. second, they are non-corrosive, meaning that they can withstand harsh environments, like liquid salt, rain, plus circumstances being extreme. Third, they are an task which is fabricate that is simple Alloy Steel Pipe producing them perfect for customized section. Finally, aluminum pipelines features a greater strength-to-weight ratio than steel. This suggests they are stronger plus that will withstand a larger level of anxiousness than steel pipelines.
Innovation in Aluminum Pipes
Innovation in aluminum pipelines has driven the development of the goods which are latest, extruded aluminum pages plus precision that was lightweight. The merchandise has revolutionized manufacturing to the aerospace plus organizations that are automotive. Aluminum pipelines require changed steel pipelines in a large amount applications, like aircraft fuselage, engine area, plus gear which was automotive. Innovations have actually led to the development of aluminum alloys which will withstand environments which can be extreme Arctic, reducing the requirement for high priced plus steel that has been hefty.
Protection of Aluminum Pipes
Safety is of utmost concern in aerospace plus businesses which are often automotive. Aluminum pipelines try safer than steel pipelines as they are lighter plus don't rust. Rust may harm the pipeline, eventually causing conditions that is potential may be structural. The lighter weight of aluminum pipelines translates to less fuel use, reducing emissions plus boosting the environmental surroundings. Additionally, aluminum pipelines are just recycled, reducing carbon emissions during manufacturing.
Usage of Aluminum Pipes
Aluminum pipelines has many uses in the aerospace plus organizations that are automotive. In aerospace, aluminum Pipe Fitting pipelines can be used to the construction of aircraft structures airplane structures, wings, plus fuselage. Available that has been aluminum which are automotive are used to creating exhaust systems, turbochargers, plus intake manifolds.
How to Render Use Of Aluminum Pipes
Aluminum pipelines are actually very easy to integrate, nonetheless they want specific remedies handling that will be. During installation, aluminum pipelines or pipe and tube must not be bent beyond their specified restrictions, because this can lead to item failure plus fatigue. They have to feel setup utilising the fixtures that are best like clamps plus brackets. Aluminum pipelines want appropriate insulation, specially in cool environments, as they can attract condensation, fundamentally causing corrosion.
Service plus Quality of Aluminum Pipes
Proper fix of aluminum pipelines is a must with regards to their durability. Service should really be complete on the basis of the manufacturer's recommended intervals to prevent issues and this can be potential. Quality control is important to the manufacturing of aluminum pipelines. Businesses should handle needs which can be top-notch make sure the pipelines meet with the specifications being recommended.
Aluminum pipe products lines has applications which are significant a few organizations, particularly within the aerospace plus sectors which are often automotive. They showcase a few benefits over steel pipelines, like lightweight, non-corrosive, plus simpleness of fabrication. Innovations in aluminum pipeline technology has led to the development of the newest Galvanized Products plus durability which was enhanced energy. Also, aluminum pipelines are eco-friendly plus safer, producing them perfect for the environmentally mindful. Proper administration, installation, insulation, plus fix is important to their durability of aluminum pipelines, quality control is very important in to the label of aluminum pipelines to make certain that they meet with the specifications that can easily be recommended. | sjjuuer_msejrkt_08b4afb3f |
1,882,900 | Top Manufacturers of Solar Garden Lights | Top services of Solar Garden lights: Illuminate Sustainable plus Revolutionary responses for their... | 0 | 2024-06-10T08:18:28 | https://dev.to/carrie_richardsoe_870d97c/top-manufacturers-of-solar-garden-lights-2bh |
Top services of Solar Garden lights: Illuminate Sustainable plus Revolutionary responses for their Outdoor Space
Introduction:
Solar Garden Lights is an element which can be increase which is a beauty that is must functionality of outside areas. Solar garden lights are really a definite sustainable plus solution that are revolutionary has benefits which can be most traditional lighting. This short article that has been after explore the most truly effective services of solar garden lighting plus stress the benefits, protection precautions, using, quality, plus application of the merchandise.
Top features of Solar Garden Lighting:
Solar Garden Lights features a value which was few lighting that is main-stream. First, they're affordable because no wiring becomes necessary by them because electricity, which may spend less on bills. second, they are typically eco-friendly plus don't donate to greenhouse gas emissions. third, solar illumination are actually simple to install plus that will be placed anywhere in the garden, without the need to be tethered to an socket that was electric. 4th, they may require maintenance which was minimal the battery power most readily useful needs to being changed every two to three many years. Finally, solar yard lighting place in the soft plus ambient light to the garden, creating a hot plus environment that was inviting.
Innovation in Solar Garden Lighting:
More services being focusing on which was top to enhance the functionality plus appears of solar garden lights. One innovation may be the usage of Light-emitting Diode Solar Garden Lights, gives light plus brighter which are longer-lasting eating energy that are minimal. Another innovation will be the incorporation of motion detection sensors, allows the light to start out whenever some instantly 1 has the garden area. Also, some providers providing illumination which was multi-color could be programmed to improve color plus create lighting which will be exclusive.
Security precautions for Solar Garden Lighting:
Solar garden lights Products is safer to work well with, nonetheless it is essential to create some precautions to get rid of any accidents since potential risks. First, simply install illumination that are solar areas plus daylight that is adequate the solar energy panels wish sunlight to charge the battery power. second, prevent installing solar lighting in areas plus dense vegetation as it could truly influence the mobile's ability to charge. Third, ensure that the panel that was solar maybe not contained in debris, snowfall, because leaves. Finally, will not attempt to fix or change illumination that are solar, plus constantly follow the manufacturer's directions cautiously.
How to Use Solar Garden Lighting:
Utilizing Solar Garden Lights is easy, additionally they don't require any abilities being technical. Simply unpack the light and place it to the desired place within their garden since area that was outside. Make sure the panel that decide to try sunshine that is solar are maximum the daytime for optimal charging. The moment charged, the light can activate automatically at plus switch off during the dawn night. In case your changes had been have actually by the light, change it out on to trigger the light. Finally, make sure the light is clean, as well as panel that test solar not incorporated into debris since dust.
Quality of Solar Garden Lighting:
The standard of solar garden lights or Solar Post Lights modifications by manufacturer plus model. It is very important to pick the manufacturer that has been uses which can be reputable things plus products. Solar Garden Lights plus structures that are heavy-duty glass that are tempered tend to be more robust plus durable in comparison to those plus elements that is artificial. Additionally, determine illumination which is often solar durable batteries plus guarantee to produce reliability that is certain durability.
Application of Solar Garden Lighting:
Solar Garden Lights could be employed for various areas being outside like gardens, paths, driveways, patios, plus decks. They might be able be ideal for security and safety requirements by illuminating areas deterring that is being was dark. Additionally, solar garden illumination can be used for decorative requirements by simply making an original ambiance plus showcasing particular top top features of the garden. Solar garden lights is versatile and can be properly used for both practical plus forces that are artistic.
Solar Garden Lights is an excellent selection for illuminating outside areas sustainably plus innovatively. The most truly effective services of solar garden illumination offer an array of products plus advantages which can be numerous quality, security precautions, plus application. By picking reputable services plus carrying out a installation that was appropriate plus upkeep instructions, solar garden lights could offer dependable plus durable lighter solutions for some time later on. Illuminate their region plus garden that are outside garden which are solar plus luxuriate inside their beauty plus sustainability. | carrie_richardsoe_870d97c | |
1,879,056 | I tried React Compiler today, and guess what... 😉 | This is probably the most clickbaity title I’ve come up with, but I feel like an article about one... | 0 | 2024-06-10T08:18:00 | https://www.developerway.com/posts/i-tried-react-compiler | react, webdev, javascript, performance |
This is probably the most clickbaity title I’ve come up with, but I feel like an article about one of the most hyped topics in the React community these days deserves it 😅.
For the last two and a half years, after I release any piece of content that mentions patterns related to re-renders and memoization, visitors from the future would descend into the comments section and kindly inform me that all I just said is not relevant anymore because of React Forget (currently known as React Compiler).
Now that our timeline has finally caught up with theirs and React Compiler is actually released to the general public as an experimental feature, it’s time to investigate whether those visitors from the future are correct and see for ourselves whether we can forget about memoization in React starting now.
## What is React Compiler
But first, very, very briefly, what is this compiler, what problem does it solve, and how do you get started with it?
**The problem**: Re-renders in React are cascading. Every time you change state in a React component, you trigger a re-render of that component, every component inside, components inside of those components, etc., until the end of the component tree is reached.
If those downstream re-renders affect some heavy components or happen too often, this might cause performance problems for our apps.
One way to fix those performance problems is to prevent that chain of re-renders from happening, and one way to do that is with the help of memoization: `React.memo`, `useMemo`, and `useCallback`. Typically, we’d wrap a component in `React.memo`, all of its props in `useMemo` and `useCallback`, and next time, when the parent component re-renders, the component wrapped in `memo` (i.e., “memoized”) won’t re-render.
But using those tools correctly is hard, _**very**_ hard. I’ve written a few articles and done a few videos on this topic if you want to test your knowledge of it ([How to useMemo and useCallback: you can remove most of them](https://www.developerway.com/posts/how-to-use-memo-use-callback), [Mastering memoization in React - Advanced React course, Episode 5](https://youtu.be/huBxeruVnAM)).
This is where React Compiler comes in. The compiler is a tool developed by the React core team. It plugs into our build system, grabs the original components' code, and tries to convert it into code where components, their props, and hooks' dependencies are memoized by default. The end result is similar to wrapping everything in `memo`, `useMemo,` or `useCallback`.
This is just an approximation to start wrapping our heads around it, of course. In reality, it does much more complicated transformations. Jack Herrington did a good overview of that in his recent video ([React Compiler: In-Depth Beyond React Conf 2024](https://www.youtube.com/watch?v=PYHBHK37xlE)), if you want to know the actual details. Or, if you want to break your brain completely and truly appreciate the complexity of this, watch the [“React Compiler Deep Dive”](https://www.youtube.com/watch?v=0ckOUBiuxVY&t=9309s&ab_channel=ReactConf) talk where Sathya Gunasekaran explains the Compiler and Mofei Zhang then live-codes it in 20 minutes 🤯.
If you want to try out the Compiler yourself, just follow the docs: [https://react.dev/learn/react-compiler](https://react.dev/learn/react-compiler). They are good enough already and have all the requirements and how-to steps. Just remember: this is still a very experimental thing that relies on installing the canary version of React, so be careful.
That’s enough of the preparation. Let’s finally look at what it can do and how it performs in real life.
## Trying out the Compiler
For me, the main purpose of this article was to investigate whether our expectations of the Compiler match reality. What is the current promise?
- The Compiler is plug-and-play: you install it, and it Just Works; there is no need to rewrite existing code.
- We will never think about `React.memo`, `useMemo,` and `useCallback` again after it’s installed: there won’t be any need.
To test those assumptions, I implemented a few simple examples to test the Compiler in isolation and then ran it on three different apps I have available.
### Simple examples: testing the Compiler in isolation
The full code of all the simple examples is available here: [https://github.com/developerway/react-compiler-test](https://github.com/developerway/react-compiler-test)
The easiest way to start with the Compiler from scratch is to install the canary version of Next.js. Basically, this will give you everything you need:
```bash
npm install next@canary babel-plugin-react-compiler
```
Then we can turn the Compiler on in the `next.config.js`:
```js
const nextConfig = {
experimental: {
reactCompiler: true,
},
};
module.exports = nextConfig;
```
And voila! We’ll immediately see auto-magically memoized components in React Dev Tools.
The assumption one is correct so far: installing it is pretty simple, and it Just Works.
Let’s start writing code and see how the Compiler deals with it.
#### First example: simple state change.
```tsx
const SimpleCase1 = () => {
const [isOpen, setIsOpen] = useState(false);
return (
<div>
<button onClick={() => setIsOpen(!isOpen)}>
toggle dialog
</button>
{isOpen && <Dialog />}
<VerySlowComponent />
</div>
);
};
```
We have an `isOpen` state variable that controls whether a modal dialog is open or not, and a `VerySlowComponent` rendered in the same component. Normal React behavior would be to re-render `VerySlowComponent` every time the `isOpen` state changes, leading to the dialog popping up with a delay.
Typically, if we want to solve this situation with memoization (although there are other ways, of course), we’d wrap `VerySlowComponent` in `React.memo`:
```tsx
const VerySlowComponentMemo = React.memo(VerySlowComponent);
const SimpleCase1 = () => {
const [isOpen, setIsOpen] = useState(false);
return (
<>
...
<VerySlowComponentMemo />
</>
);
};
```
With the Compiler, it’s pure magic: we can ditch the `React.memo`, and still see in the dev tools that the `VerySlowComponent` is memoized, the delay is gone, and if we place `console.log` inside the `VerySlowComponent`, we’ll see that indeed, it’s not re-rendered on state change anymore.
The full code of these examples is [available here.](https://github.com/developerway/react-compiler-test/blob/main/src/components/simple-cases.tsx)
#### Second example: props on the slow component.
So far so good, but the previous example is the simplest one. Let’s make it a bit more complicated and introduce props into the equation.
Let’s say our `VerySlowComponent` has an `onSubmit` prop that expects a function and a `data` prop that accepts an array:
```tsx
const SimpleCase2 = () => {
const [isOpen, setIsOpen] = useState(false);
const onSubmit = () => {};
const data = [{ id: 'bla' }];
return (
<>
...
<VerySlowComponent onSubmit={onSubmit} data={data} />
</>
);
};
```
Now, in the case of manual memoization, on top of wrapping `VerySlowComponent` in `React.memo`, we’d need to wrap the array in `useMemo` (let’s assume we can’t just move it outside for some reason) and `onSubmit` in `useCallback`:
```tsx
const VerySlowComponentMemo = React.memo(VerySlowComponent);
export const SimpleCase2Memo = () => {
const [isOpen, setIsOpen] = useState(false);
// memoization here
const onSubmit = useCallback(() => {}, []);
// memoization here
const data = useMemo(() => [{ id: 'bla' }], []);
return (
<div>
...
<VerySlowComponentMemo
onSubmit={onSubmit}
data={data}
/>
</div>
);
};
```
But with the Compiler, we still don’t need to do that! `VerySlowComponent` still appears as memoized in React dev tools, and the “control” console.log inside it is still not fired.
You can run these examples locally [from this repo](https://github.com/developerway/react-compiler-test/blob/main/src/components/simple-cases.tsx).
#### Third example: elements as children.
Okay, the third example, before testing a real app. What about the case where almost no one can memoize correctly? What if our slow component accepts children?
```tsx
export const SimpleCase3 = () => {
const [isOpen, setIsOpen] = useState(false);
return (
<>
...
<VerySlowComponent>
<SomeOtherComponent />
</VerySlowComponent>
</>
);
};
```
Can you, off the top of your head, remember how to memoize `VerySlowComponent` correctly here?
Most people would assume that we’d need to wrap both `VerySlowComponent` and `SomeOtherComponent` in `React.memo`. This is incorrect. We'd need to wrap our `<SomeOtherComponent />` element into `useMemo` instead, like this:
```tsx
const VerySlowComponentMemo = React.memo(VerySlowComponent);
export const SimpleCase3 = () => {
const [isOpen, setIsOpen] = useState(false);
// memoize children via useMemo, not React.memo
const child = useMemo(() => <SomeOtherComponent />, []);
return (
<>
...
<VerySlowComponentMemo>{child}</VerySlowComponentMemo>
</>
);
};
```
If you’re unsure why this is the case, you can watch this video that explains memoization in detail, including this pattern: [Mastering memoization in React - Advanced React course, Episode 5](https://youtu.be/huBxeruVnAM). This article can also be useful: [The mystery of React Element, children, parents and re-renders](https://www.developerway.com/posts/react-elements-children-parents)
Luckily, the React Compiler still works its magic ✨ here! Everything is memoized, the very slow component doesn’t re-render.
Three hits out of three so far, that’s impressive! But those examples are very simple. When’s life that easy in reality? Let’s try a real challenge now.
### Testing the Compiler on real code
To really challenge the Compiler, I ran it on three codebases I have available:
- **App One**: A few years old and quite large app, based on React, React Router & Webpack, written by multiple people.
- **App Two**: Slightly newer but still quite large React & Next.js app, written by multiple people.
- **App Three**: My personal project: very new, latest Nextjs, very small - a few screens with CRUD operations.
For every app, I did:
- [initial health check](https://react.dev/learn/react-compiler#checking-compatibility) to determine the readiness of the app for the Compiler.
- enabled Compiler’s eslint rules and ran them on the entire codebase.
- updated React version to 19 canary.
- installed the Compiler.
- identified some visible cases of unnecessary re-renders before turning on the Compiler.
- turned on the Compiler and checked whether those unnecessary re-renders were fixed.
### Testing the Compiler on App One: results
This one is the biggest, probably around 150k lines of code for the React part of the app. I identified **10** easy-to-spot cases of unnecessary re-renders for this app. Some were pretty minor, like re-rendering a whole header component when clicking a button inside. Some were bigger, like re-rendering the entire page when typing in an input field.
- **Initial health check:** 97.7% of the components could be compiled! No incompatible libraries.
- **Eslint check**: just 20 rule violations
- **React 19 update**: a few minor things broke, but after commenting them out, the app seemed to be working fine.
- **Installing the Compiler**: this one produced a few F-bombs and required some help from ChatGPT since it’s been a while since I last touched anything Webpack or Babel-related. But in the end, it also worked.
- **Testing the app**: out of 10 cases of unnecessary re-renders … only 2 were fixed by the Compiler 😢
2 out of 10 was a pretty disappointing result. But this app had some eslint violations that I haven’t fixed, maybe that’s why? Let’s take a look at the next app.
### Testing the Compiler on App Two: results
This app is much smaller, something like 30k lines of React code. Here I also identified **10** unnecessary re-renders.
- **Initial health check:** Same result, 97.7% components could be compiled.
- **Eslint check**: just 1 rule violation! 🎉Perfect candidate.
- **React 19 update** & **installing the Compiler**: for this, I had to update Next.js to the canary version, it took care of the rest. It just worked after the installation, was much easier than updating the Webpack-based app.
- **Testing the app**: out of 10 cases of unnecessary re-renders… only 2 again were fixed by the compiler 😢
2 out of 10 again! On a perfect candidate… Again, a bit disappointing. That’s real life against synthetic “counter” examples for you. Let’s take a look at the third app before trying to debug what’s going on.
### Testing the Compiler on App Three: results
This is the smallest of them all, written in a weekend or two. Just a few pages with a table of data, and the ability to add/edit/remove an entity in the table. The entire app is so small and so simple that I was able to identify only 8 unnecessary re-renders in it. Everything re-renders on every interaction there, I haven’t optimized it in any way.
Perfect subject for the React Compiler to drastically improve the re-renders situation!
- **Initial health check:** 100% of components can be compiled
- **Eslint check**: no violations 🎉
- **React 19 update** & **installing the Compiler**: surprisingly worse than the previous one. Some of the libraries that I used were not compatible with React 19 yet. I had to force-install the dependencies to silence the warnings. But the actual app and all the libraries still worked, so no harm, I guess.
- **Testing the app**: out of 8 cases of unnecessary re-renders, the React Compiler managed to fix… drum roll… one. **Only one**! 🫠 At this point, I almost started crying; I had such hopes for this test.
This is something that my old clinical nature expected, but definitely not something that my naive inner child was hoping for. Maybe I’m just writing React code wrong? Can I investigate what went wrong with memoization by the Compiler, and can it be fixed?
## Investigating the results of memoization by the Compiler
To debug these issues in a useful manner, I extracted one of the pages from the third app into its own repo. You can check it out here: ([https://github.com/developerway/react-compiler-test/](https://github.com/developerway/react-compiler-test/) ) if you want to follow my train of thought and do a code-along exercise. It’s almost exactly one of the pages I have in the third app, just with fake data and a few things removed (like SSR) to simplify the debugging experience.
The UI is very simple: a table with a list of countries, a “delete” button for each row, and an input component under the table where you can add a new country to the list.
From the code perspective, it’s just one component with one state, queries, and mutations. Here’s the [full code](https://github.com/developerway/react-compiler-test/blob/main/src/components/countries-broken.tsx). The simplified version with only the necessary information for the investigation looks like this:
```tsx
export const Countries = () => {
// store what we type in the input here
const [value, setValue] = useState("");
// get the full list of countries with react-query
const { data: countries } = useQuery(...);
// mutation to delete a country with react-query
const deleteCountryMutation = useMutation(...);
// mutation to add a country with react-query
const addCountryMutation = useMutation(...);
// callback that is passed to the "delete" button
const onDelete = (name: string) => deleteCountryMutation.mutate(name);
// callback that is passed to the "add" button
const onAddCountry = () => {
addCountryMutation.mutate(value);
setValue("");
};
return (
...
{countries?.map(({ name }, index) => (
<TableRow key={`${name.toLowerCase()}`}>
...
<TableCell className="text-right">
<!-- onDelete is here -->
<Button onClick={() => onDelete(name)} variant="outline">
Delete
</Button>
</TableCell>
</TableRow>
))}
...
<Input
type="text"
placeholder="Add new country"
value={value}
onChange={(e) => setValue(e.target.value)}
/>
<button onClick={onAddCountry}>Add</button>
);
};
```
Since it’s just one component with multiple states (local + query/mutation updates), everything re-renders on every interaction. If you start the app, you’ll have these cases of unnecessary re-renders:
- typing into the “Add new country” input causes everything to re-render.
- clicking “delete” causes everything to re-render.
- clicking “add” causes everything to re-render.
For a simple component like this, I’d expect the Compiler to fix all of this. Especially considering that in the React Dev Tools, everything seems to be memoized:
However, try enabling the “Highlight updates when components render” setting and enjoy the light show.
Adding `console.log` to every component inside the table gives us the exact list: everything except for the header components still re-renders on every state update from all sources.
How to investigate why, though? 🤔
React Dev Tools doesn’t give any additional information. I _could_ copy-paste that component into the [Compiler Playground](https://playground.react.dev/#N4Igzg9grgTgxgUxALhAMygOzgFwJYSYAEAYjHgpgCYAyeYOAFMEWuZVWEQL4CURwADrEicQgyKEANnkwIAwtEw4iAXiJQwCMhWoB5TDLmKsTXgG5hRInjRFGbXZwB0UygHMcACzWr1ABn4hEWsYBBxYYgAeADkIHQ4uAHoAPksRbisiMIiYYkYs6yiqPAA3FMLrIiiwAAcAQ0wU4GlZBSUcbklDNqikusaKkKrgR0TnAFt62sYHdmp+VRT7SqrqhOo6Bnl6mCoiAGsEAE9VUfmqZzwqLrHqM7ubolTVol5eTOGigFkEMDB6u4EAAhKA4HCEZ5DNZ9ErlLIWYTcEDcIA) and see what happens… But take a look at the output! 😬 That feels like a step in the wrong direction, and to be frank, the last thing I want to do, ever.
The only thing that comes to mind is to incrementally memoize that table and see whether something fishy is going on with components or dependencies.
## Investigating via manual memoization
This part is for those who fully understand how all manual memoization techniques work. If you’re feeling uneasy about `React.memo`, `useMemo,` or `useCallback`, I recommend watching [this video](https://youtu.be/huBxeruVnAM) first.
Also, I’d recommend opening the code locally ([https://github.com/developerway/react-compiler-test](https://github.com/developerway/react-compiler-test) ) and doing a code-along exercise; it would make following the train of thought below much easier.
#### Investigating typing into input re-renders
Let’s look at that table again, this time in full:
```tsx
<Table>
<TableCaption>Supported countries list.</TableCaption>
<TableHeader>
<TableRow>
<TableHead className="w-[400px]">Name</TableHead>
<TableHead className="text-right">Action</TableHead>
</TableRow>
</TableHeader>
<TableBody>
{countries?.map(({ name }, index) => (
<TableRow key={`${name.toLowerCase()}`}>
<TableCell className="font-medium">
<Link href={`/country/${name.toLowerCase()}`}>
{name}
</Link>
</TableCell>
<TableCell className="text-right">
<Button
onClick={() => onDelete(name)}
variant="outline"
>
Delete
</Button>
</TableCell>
</TableRow>
))}
</TableBody>
</Table>
```
The fact that header components were memoized hints to us what the Compiler did: it probably wrapped all components in a `React.memo` equivalent, and the part inside `TableBody` is memoized with a `useMemo` equivalent. And the `useMemo` equivalent has something in its dependencies that is updated with every re-render, which in turn causes everything inside `TableBody` to re-render, including `TableBody` itself. At least it’s a good working theory to test.
If I replicate the memoization of that content part, it might give us some clues:
```tsx
// memoize the entire content of TableBody
const body = useMemo(
() =>
countries?.map(({ name }, index) => (
<TableRow key={`${name.toLowerCase()}`}>
<TableCell className="font-medium">
<Link href={`/country/${name.toLowerCase()}`}>
{name}
</Link>
</TableCell>
<TableCell className="text-right">
<Button
onClick={() => onDelete(name)}
variant="outline"
>
Delete
</Button>
</TableCell>
</TableRow>
)),
// these are the dependencies used in that bunch of code
// thank you eslint!
[countries, onDelete],
);
```
Now it’s clearly visible that this entire part depends on the `countries` array of data and the `onDelete` callback. The `countries` array is coming from a query, so it can’t possibly be re-created on every re-render - caching this is one of the primary responsibilities of the library.
The `onDelete` callback looks like this:
```tsx
const onDelete = (name: string) => {
deleteCountryMutation.mutate(name);
};
```
In order for it to go into the dependencies, it should be memoized as well:
```tsx
const onDelete = useCallback(
(name: string) => {
deleteCountryMutation.mutate(name);
},
[deleteCountryMutation],
);
```
And `deleteCountryMutation` is a mutation from react-query again, so it’s likely okay:
```tsx
const deleteCountryMutation = useMutation({...});
```
The final step is to memoize the `TableBody` and render the memoized child. If everything is memoized correctly, then re-rendering of rows and cells when typing in the input should stop.
```tsx
const TableBodyMemo = React.memo(TableBody);
// render that inside Countries
<TableBodyMemo>{body}</TableBodyMemo>;
```
Aaaand, it didn’t work 🤦🏻♀️ Now we’re getting somewhere - I messed something up with the dependencies, and the Compiler probably did the same. But what? Aside from `countries`, I only have one dependency - `deleteCountryMutation`. I made an assumption that it’s safe, but is it really? What’s actually inside? Luckily, [the source code is available](https://github.com/TanStack/query/blob/main/packages/react-query/src/useMutation.ts#L15). `useMutation` is a hook that does a bunch of things and returns this:
```tsx
const mutate = React.useCallback(...)
return { ...result, mutate, mutateAsync: result.mutate }
```
It’s a non-memoized object in the return!! I was wrong in my assumption that I could just use it as a dependency.
`mutate` itself is memoized, however. So in theory, I just need to pass it to the dependencies instead:
```tsx
// extract mutate from the returned object
const { mutate: deleteCountry } = useMutation(...);
// pass it as a dependency instead
const onDelete = useCallback(
(name: string) => {
// use it here directly
deleteCountry(name);
},
// hello, memoized dependency
[deleteCountry],
);
```
After this step, finally, our manual memoization works.
Now, in theory, if I just remove all that manual memoization and leave the `mutate` fix in place, the React Compiler should be able to pick it up.
And indeed, it does! Table rows and cells don’t re-render anymore when I type something 🎉
However, re-renders on “add” and “delete” a country are still present. Let’s fix those as well.
#### Investigating “add” and “delete” re-renders
Let’s take a look at the `TableBody` code again.
```tsx
<TableBody>
{countries?.map(({ name }, index) => (
<TableRow key={index}>
<TableCell className="font-medium">
<Link href={`/country/${name.toLowerCase()}`}>
{name}
</Link>
</TableCell>
<TableCell className="text-right">
<Button
onClick={() => onDelete(name)}
variant="outline"
>
Delete
</Button>
</TableCell>
</TableRow>
))}
</TableBody>
```
This entire thing re-renders when I add or remove a country from the list. Let’s apply the same strategy again: what would I've done here if I wanted to memoize those components manually?
It’s a dynamic list, so I’d have to:
**First**, make sure that the “key” property matches the country, not the position in the array. `index` won’t do - if I remove a country from the beginning of the list, the index will change for every row below, which will force a re-render regardless of memoization. In real life, I’d have to introduce some sort of `id` for each country. For our simplified case, let’s just use `name` and make sure we’re not adding duplicate names - keys should be unique.
```tsx
{
countries?.map(({ name }) => (
<TableRow key={name}>...</TableRow>
));
}
```
**Second**, wrap `TableRow` in `React.memo`. Easy.
```tsx
const TableRowMemo = React.memo(TableRow);
```
**Third**, memoize the `children` of `TableRow` with `useMemo`:
```tsx
{
countries?.map(({ name }) => (
<TableRow key={name}>
... // everything inside here needs to be memoized
with useMemo
</TableRow>
));
}
```
which is impossible since we’re inside render and inside an array: hooks can only be used at the top of the component outside of the render function.
To pull this off, we need to extract the entire `TableRow` with its content into a component:
```tsx
const CountryRow = ({ name, onDelete }) => {
return (
<TableRow>
<TableCell className="font-medium">
<Link href={`/country/${name.toLowerCase()}`}>
{name}
</Link>
</TableCell>
<TableCell className="text-right">
<Button
onClick={() => onDelete(name)}
variant="outline"
>
Delete
</Button>
</TableCell>
</TableRow>
);
};
```
pass data through props:
```tsx
<TableBody>
{countries?.map(({ name }) => (
<CountryRow
name={name}
onDelete={onDelete}
key={name}
/>
))}
</TableBody>
```
and wrap `CountryRow` in `React.memo` instead. `onDelete` is memoized correctly - we already fixed it.
I didn’t even need to implement that manual memoization. As soon as I extracted those rows into a component, the Compiler immediately picked them up, and re-renders stopped 🎉. 2 : 0 in the human-against-the-machine battle.
Interestingly enough, the Compiler is able to pick up everything inside the `CountryRow` component but not the component itself. If I remove manual memoization but keep the `key` and `CountryRow` change, cells and rows will stop re-rendering on add/delete, but the `CountryRow` component itself still re-renders.
At this point, I’m out of ideas on how to fix it with the Compiler, and it’s enough material for the article already, so I’ll just let it re-render. Everything inside is memoized, so it's not that huge of a deal.
## So, what’s the verdict?
The Compiler performs amazingly on simple cases and simple components. Three hits out of three! However, real life is a bit more complicated.
In all three apps that I tried the Compiler on, it was able to fix only 1-2 cases of noticeable unnecessary re-renders out of 8-10 that I spotted.
However, with a bit of deductive thinking and guesswork, it looks like it’s possible to improve that result with minor code changes. Investigating those, however, is very non-trivial, requires a lot of creative thinking, and mastery of React algorithms and existing memoization techniques.
The changes I had to make in the existing code in order for the Compiler to behave:
- extract `mutate` from the return value of the `useMutation` hook and use it in the code directly.
- extract `TableRow` and everything inside into an isolated component.
- change the “key” from `index` to `name`.
You can check out the code [before](https://github.com/developerway/react-compiler-test/blob/main/src/components/countries-broken.tsx) and [after](https://github.com/developerway/react-compiler-test/blob/main/src/components/countries-fixed.tsx) and play with the app yourself.
As for the assumptions that I was investigating:
**Does it “just work”?** Technically, yep. You can just turn it on, and nothing seems to be broken. It won’t memoize everything correctly, though, despite showing it as memoized in React Dev Tools.
**Can we forget about** `memo`, `useMemo,` and `useCallback` after installing the Compiler? Absolutely not! At least not in its current state. In fact, you’ll need to know them even better than it’s needed now and develop a sixth sense for writing components optimized for the Compiler. Or just use them to debug the re-renders you want to fix.
That’s assuming we want to fix them, of course. I suspect what will happen is this: we'll all just turn on the Compiler when it’s production-ready. Seeing all those “memo ✨” in Dev Tools will give us a sense of security, so everyone will just relax about re-renders and focus on writing features. The fact that half of the re-renders are still there no one will notice, since most of the re-renders have a negligible effect on performance anyway.
And for cases where re-renders actually have a performance impact, it will be easier to fix them with composition techniques like [moving state down](https://www.developerway.com/posts/react-re-renders-guide#part3.2), [passing elements as children](https://www.developerway.com/posts/react-re-renders-guide#part3.3) or props, or extracting data into [Context with splitted providers](https://www.developerway.com/posts/how-to-write-performant-react-apps-with-context) or any external state management tool that allows memoized selectors. And once in a blue moon - manual `React.memo` and `useCallback`.
As for those visitors from the future, I’m pretty sure now that they are from a parallel universe. A marvelous place where React just happens to be written in something more structured than the notoriously flexible JavaScript, and the Compiler actually can solve 100% of the cases because of it.
---
Originally published at [https://www.developerway.com](https://www.developerway.com). The website has more articles like this 😉
Take a look at the [Advanced React book](https://advanced-react.com/) to take your React knowledge to the next level.
[Subscribe to the newsletter](https://www.developerway.com), [connect on LinkedIn](https://www.linkedin.com/in/adevnadia/) or [follow on Twitter](https://twitter.com/adevnadia) to get notified as soon as the next article comes out. | adevnadia |
1,882,893 | Using .NET Aspire eShop application to collect all the telemetry | To read this full article, click here. Learn how to collect all the telemetry from the .NET... | 0 | 2024-06-10T08:15:37 | https://newrelic.com/blog/how-to-relic/using-net-aspire-eshop-application-to-collect-all-the-telemetry | observability, opensource, dotnet |
To read this full article, [click here](https://newrelic.com/blog/how-to-relic/using-net-aspire-eshop-application-to-collect-all-the-telemetry?utm_source=devto&utm_medium=community&utm_campaign=global-fy25-q1-devtoupdates).
---
**Learn how to collect all the telemetry from the .NET Aspire eShop application and send it to an OpenTelemetry backend such as New Relic**
[.NET Aspire](https://learn.microsoft.com/en-us/dotnet/aspire/get-started/aspire-overview) is the new kid on the block when it comes to an opinionated, cloud-ready stack for building observable, production-ready, distributed applications. Having a built-in dashboard for the monitoring data is nice during development. But how do you configure OpenTelemetry correctly to send it to an observability backend? This is what this blog post is all about. And you’ll also learn how to send custom attributes by leveraging OpenTelemetry SDKs.
## .NET Aspire
.NET Aspire was first announced and introduced at [.NET Conf 2023 Keynote](https://www.youtube.com/watch?v=mna5fg7QGz8&t=2655s). The challenges it tries to solve are:
- **Complex**: Cloud computing is fundamentally hard.
- **Getting started**: For new developers in this space, a first step into cloud native can be overwhelming.
- **Choices**: Developers need to make a lot of choices.
- **Paved path**: .NET did not have a golden paved path available for developers to build cloud-native applications.
This is exactly where .NET Aspire comes into play. It includes the following features as part of the stack:
- 
[Components](https://learn.microsoft.com/en-us/dotnet/aspire/fundamentals/components-overview): Curated suite of NuGet packages specifically selected to facilitate the integration of cloud-native applications with prominent services and platforms, including but not limited to Redis and PostgreSQL. Each component furnishes essential cloud-native functionalities through either automatic provisioning or standardized configuration patterns.
- 
[Developer Dashboard](https://learn.microsoft.com/en-us/dotnet/aspire/fundamentals/dashboard): Allows you to track closely various aspects of your application, including logs, traces, and environment configurations, all in real time. It’s purpose-built to enhance the local development experience, providing an insightful overview of your app’s state and structure.
- 
[Tooling/Orchestration](https://learn.microsoft.com/en-us/dotnet/aspire/get-started/aspire-overview#why-net-aspire): .NET Aspire includes project templates and tooling experiences for Visual Studio and the dotnet command-line interface (CLI) help you create and interact with .NET Aspire apps. It also provides features for running and connecting multi-project applications and their dependencies.
## eShop demo application
A reference .NET application implementing an ecommerce website using a services-based architecture.
In the latest version of the application, the source code is already updated to include .NET Aspire as part of the project. You can install the latest [.NET 8 SDK](https://github.com/dotnet/installer#installers-and-binaries) and clone the repository. Additionally, you can run the following commands to install the Aspire workload:
```shell
dotnet workload update
dotnet workload install aspire
dotnet restore eShop.Web.slnf
```
Once you have all the other prerequisites ready on your machine, you can run the application from your terminal with the following command:
```shell
dotnet run --project src/eShop.AppHost/eShop.AppHost.csproj
```
## .NET Aspire developer dashboard
Once the application is up and running, go to the developer dashboard to identify the various resources that are part of the eShop application, including the endpoints and URL(s) to reach the running resources directly.
This dashboard also includes monitoring telemetry, including logs, traces, and metrics.
## .NET Aspire orchestration
.NET Aspire provides APIs for expressing resources and dependencies within your distributed application.
Before continuing, consider some common terminology used in .NET Aspire:
- **App model**: A collection of resources that make up your distributed application ([DistributedApplication](https://learn.microsoft.com/en-us/dotnet/api/aspire.hosting.distributedapplication)). For a more formal definition, see [Define the app model](https://learn.microsoft.com/en-us/dotnet/aspire/fundamentals/app-host-overview#define-the-app-model).
- **App host/Orchestrator project**: The .NET project that orchestrates the app model, named with the *.AppHost suffix (by convention).
- **Resource**: A [resource](https://learn.microsoft.com/en-us/dotnet/aspire/fundamentals/app-host-overview#built-in-resource-types) represents a part of an application whether it be a .NET project, container, or executable, or some other resource like a database, cache, or cloud service (such as a storage service).
- **Reference**: A reference defines a connection between resources, expressed as a dependency. For more information, see [Reference resources](https://learn.microsoft.com/en-us/dotnet/aspire/fundamentals/app-host-overview#reference-resources).
.NET Aspire empowers you to seamlessly build, provision, deploy, configure, test, run, and observe your cloud application. This is achieved through the utilization of an app model that outlines the resources in your app and their relationships.
## Sending telemetry to an OpenTelemetry backend such as New Relic
Having a built-in dashboard for the monitoring data is nice during development. In this section I focus on how to configure OpenTelemetry correctly to send all telemetry into New Relic as my observability backend of choice.
For the scenario described in this article, I created my own fork of the official eShop application. Within this [repository](https://github.com/harrykimpel/dotnet-eShop), you’ll be able to find the [app host project](https://github.com/harrykimpel/dotnet-eShop/tree/main/src/eShop.AppHost) that contains its [main component](https://github.com/harrykimpel/dotnet-eShop/blob/main/src/eShop.AppHost/Program.cs).
Lines 17 through 26 define some basic configuration variables that you can provide using environment variables in your terminal.
- **NEW_RELIC_LICENSE_KEY**: New Relic license key for the OpenTelemetry protocol (OTLP) API header value
- **NEW_RELIC_REGION**: US or EU region configuration for your New Relic account
Based on the New Relic region configuration, the code will define the [New Relic OTLP endpoint for OpenTelemetry](https://docs.newrelic.com/docs/more-integrations/open-source-telemetry-integrations/opentelemetry/get-started/opentelemetry-set-up-your-app/#review-settings?utm_source=devto&utm_medium=community&utm_campaign=global-fy25-q1-devtoupdates) and use it in the **OTEL_EXPORTER_OTLP_ENDPOINT** variable.
The rest of the app host project is already prepared to add an environment configuration for each of the projects that are part of the Aspire application. For example, here’s the configuration for the [Identity.API project](https://github.com/harrykimpel/dotnet-eShop/tree/main/src/Identity.API):
```csharp
...
// Services
var identityApi = builder.AddProject<Projects.Identity_API>("identity-api")
.WithReference(identityDb)
.WithEnvironment("OTEL_EXPORTER_OTLP_ENDPOINT", OTEL_EXPORTER_OTLP_ENDPOINT)
.WithEnvironment("OTEL_EXPORTER_OTLP_HEADERS", OTEL_EXPORTER_OTLP_HEADERS)
.WithEnvironment("OTEL_SERVICE_NAME", "identity-api");
...
```
In this fork of the eShop application I’ve added some additional environment configuration. Each of the **.WithEnvironment** statements adds a necessary environment variable for the service:
- **OTEL_EXPORTER_OTLP_ENDPOINT**: The OTLP endpoint for all the telemetry for this service; in our case, the New Relic OTLP endpoint.
- **OTEL_EXPORTER_OTLP_HEADERS**: The API header value, which includes our New Relic license key (**string OTEL_EXPORTER_OTLP_HEADERS = "api-key=" + NEW_RELIC_LICENSE_KEY;**).
- **OTEL_SERVICE_NAME**: The name of the service relevant to create a respective entity in New Relic.
The rest of the services are configured appropriately.
Once you’ve configured the environment variables in your terminal (that is, **NEW_RELIC_LICENSE_KEY** and **NEW_RELIC_REGION**), you can start the Aspire application with the following command:
```shell
dotnet run --project src/eShop.AppHost/eShop.AppHost.csproj
```
You can confirm whether everything is configured correctly by looking at the environment and clicking on the view icon for one of the projects:
The **OTEL_EXPORTER_OTLP_ENDPOINT** should point to the New Relic OTLP endpoint.
After a little while, you should be able to see data from your application visible in the **APM & Services - OpenTelemetry** section of New Relic:
You can then observe and analyze all your telemetry. For example, look at the **New Relic Services map**:
… or the distributed tracing view:
Happy observing!
## Conclusion
Integrating OpenTelemetry with the .NET Aspire eShop application and New Relic allows you to leverage powerful telemetry tools to monitor and improve your application's performance. This setup not only provides valuable insights but also enhances your ability to diagnose issues quickly and efficiently. With the steps outlined in this guide, you're well on your way to building a more resilient and observant application. Start harnessing the full potential of your telemetry data today and keep your systems running smoothly!
## Next steps
- **Explore more**: Dive deeper into [New Relic’s OpenTelemetry documentation](https://docs.newrelic.com/docs/more-integrations/open-source-telemetry-integrations/opentelemetry/opentelemetry-introduction/?utm_source=devto&utm_medium=community&utm_campaign=global-fy25-q1-devtoupdates) to unlock advanced features.
- **Join the community**: Engage with other developers on New Relic’s community forum.
- **Stay updated**: Follow [our blog](https://newrelic.com/blog?utm_source=devto&utm_medium=community&utm_campaign=global-fy25-q1-devtoupdates) for the latest tips, tutorials, and industry news.
- **Try New Relic for free**: Sign up for a [free New Relic account](https://www.newrelic.com/signup?utm_source=devto&utm_medium=community&utm_campaign=global-fy25-q1-devtoupdates) and start exploring how New Relic can enhance your application's telemetry today.
- **Experiment and iterate**: Continuously monitor, analyze, and improve your telemetry setup for peak performance.
| harrykimpel |
1,882,897 | Why to invest in commercial property in Noida market | Noida: A Prime Location for Your Next Commercial Property Investment The Delhi NCR region is a... | 0 | 2024-06-10T08:14:21 | https://dev.to/property_shelter/why-to-invest-in-commercial-property-in-noida-market-5ahe | react, webdev, beginners, programming | **Noida: A Prime Location for Your Next Commercial Property Investment**
The Delhi NCR region is a thriving economic hub, and Noida, a prominent city within it, is witnessing a surge in commercial property investment. Here's why Noida's commercial property market presents an attractive opportunity for investors:
**Strategic Location:** Noida boasts an unbeatable strategic location. Situated right next to Delhi, it offers excellent connectivity via expressways, highways, and the upcoming metro network. This accessibility makes it a prime destination for businesses seeking smooth access to a vast talent pool, customer base, and other key markets.
**Booming Infrastructure:** Noida is undergoing rapid infrastructural development. The Noida Expressway and the Delhi Metro extension enhance connectivity, while upcoming projects like the Jewar International Airport further elevate the city's profile. This growth in infrastructure translates to a rise in demand for commercial property in Noida, making it a lucrative investment.
**Flourishing Business Landscape:** Noida is a haven for multinational corporations (MNCs), information technology (IT) giants, and startups. The presence of Special Economic Zones (SEZs) with tax benefits and a supportive business environment attracts companies of all sizes. This thriving business environment fuels the demand for commercial property in Noida, ensuring high occupancy rates and promising rental yields for investors.
**Appreciating Property Values:** Noida's commercial property market has witnessed consistent growth over the past few years. With the ongoing infrastructural development and flourishing business environment, this trend is expected to continue. Investing in commercial property in Noida now allows you to benefit from this appreciation in the long run.
**Low Investment Thresholds:** Compared to other established commercial hubs, Noida offers a wider range of investment options with varying price points. This allows investors with diverse budgets to enter the market. You can find smaller office spaces or retail shops that require a lower initial investment, making Noida accessible to a broader range of investors.
**Lifestyle Amenities:** Noida offers a well-developed social infrastructure with world-class educational institutions, healthcare facilities, and recreational options. This caters to the needs of employees and businesses, making it an attractive place to work and live. This, in turn, strengthens the overall appeal of commercial property in Noida.
**Conclusion:**
Investing in [commercial property in Noida](https://bop.in/city/commercial-property-in-noida/) presents a compelling opportunity for investors seeking a high-growth market with consistent returns. With its strategic location, thriving business landscape, and government support, Noida is poised for continued success. So, if you're looking for a lucrative and secure investment option, commercial property in Noida is definitely worth considering. | property_shelter |
1,882,896 | A Deep Dive into End-to-End Testing Frameworks | Specifically, end-to-end testing (E2E Testing) is the bulwark against potential system failures by... | 0 | 2024-06-10T08:13:26 | https://dev.to/berthaw82414312/a-deep-dive-into-end-to-end-testing-frameworks-5a0p | endtoendtesting, testingframeworks, testautomatio | Specifically, [end-to-end testing](https://www.headspin.io/blog/what-is-end-to-end-testing) (E2E Testing) is the bulwark against potential system failures by validating every process in the workflow from start to finish. As we delve into the intricate world of E2E testing frameworks, we must recognize the nuances and strategies that enterprises are incorporating to elevate their testing proficiency.
End-to-end testing facilitates the simulation of real-world scenarios, ensuring that the entire process of a system—from interacting with the database, and processing data, to executing transactions—operates seamlessly. Including accurate test reporting in software testing further amplifies the efficacy of E2E testing, as it meticulously documents the results, rendering troubleshooting a more streamlined effort.
In the contemporary digital milieu, the quality of a software product is directly proportionate to the comprehensiveness of its testing. Therefore, thoroughly examining and validating E2E testing frameworks transcend beyond mere obligation and emerge as a quintessential element in software development.
The complexities involved in E2E testing necessitate the utilization of proficient frameworks capable of corroborating every interaction within the application from the user to the database. These frameworks fortify the reliability of software applications and ensure that they deliver an impeccable user experience, invariably augmenting customer satisfaction.
## E2E TESTING FRAMEWORKS: A METICULOUS EXAMINATION
Navigating through the intricate landscape of end-to-end testing frameworks requires a meticulous examination to discern the optimal tool that aligns with the testing needs of a project. E2E testing frameworks, integral for validating the interconnected chains of functionalities within an application, provide a platform for testers to simulate user behavior and validate system coherence from inception to conclusion. Three pre-eminent E2E testing frameworks – Cypress, TestCafe, and Puppeteer – stand out in the tech domain, each carving its unique niche by offering a distinct array of capabilities.
**CYPRESS**
- Streamlined Debugging: Cypress automatically generates snapshots and command logs, aiding testers to identify and rectify issues swiftly.
- Real-Time Reloading: Any change in the test scripts triggers a real-time reload, providing instantaneous feedback to the developers and testers.
- Parallel Test Execution: The capability to execute tests in parallel significantly curtails testing time, rendering Cypress a time-efficient option.
- Network Traffic Control: Cypress allows testers to control, stub, and test the behavior of any network requests or responses, ensuring a thorough examination of possible scenarios.
**TESTCAFE**
- No WebDriver Dependencies: Unlike many of its counterparts, TestCafe does not necessitate WebDriver. This eradicates the need for API testing and promotes user-like testing scenarios.
- Concurrent Test Execution: TestCafe’s concurrent test execution capability minimizes test time and accelerates time-to-market.
- Intuitive Test Syntax: Offering an easy-to-comprehend syntax, TestCafe facilitates the creation of robust, maintainable tests.
- Integrated Continuous Testing: With its innate continuous testing capabilities, TestCafe enables testers to execute tests as part of the CI/CD process effortlessly.
**PUPPETEER**
- Headless Testing: Puppeteer shines in headless browser testing, enabling quick and stable tests, which are especially beneficial for CI/CD pipelines.
- Rich Set of Tools: Puppeteer offers a versatile toolset that enhances its E2E testing capabilities, from generating screenshots and automated form submissions to creating PDFs.
- Interception of HTTP requests: Puppeteer allows interception and mocking of HTTP/HTTPS requests, which can be vital for testing the resilience of applications under varied scenarios.
- Detailed Documentation: The availability of thorough documentation means that testers can quickly familiarize themselves with Puppeteer, thereby reducing the learning curve.
## NAVIGATING THE SELECTION PROCESS: CRITERIA TO CONSIDER
Choosing an E2E testing framework involves more than merely assessing their capabilities. It requires a strategic evaluation of the project requirements, team expertise, and long-term maintainability. Here are certain factors to consider during the selection process:
- Compatibility: Ensure the framework supports the technology stack of the project.
- Community and Support: A robust community and substantial support from the developers ensure that help is available when stuck.
- Ease of Use: A user-friendly interface and straightforward syntax ensure the team can effectively utilize the tool.
- Scalability: The chosen framework should be able to adapt and cater to the changing project requirements.
By embracing a framework that aligns with project requirements while offering a spectrum of functionalities, testers can seamlessly validate every node of the application journey. Whether validating UI interactions with Cypress, ensuring cross-browser compatibility with TestCafe, or leveraging Puppeteer for headless browser testing, the accurate selection and proficient utilization of E2E testing frameworks are pivotal for deploying impeccable software applications into the market.
## A ROBUST APPROACH: UTILIZING HEADSPIN FOR ENHANCED E2E TESTING
Advancing towards elevated E2E testing procedures involves leveraging platforms that promise comprehensive testing capabilities and intelligent insights derived from accurate test reporting. HeadSpin, with its globally distributed infrastructure and extensive device cloud, furnishes testers and developers with the tools needed to [ensure optimal performance](https://www.headspin.io/blog/a-performance-testing-guide), functionality, and UX across various networks, devices, and geographies.
One salient feature of HeadSpin is its capability to provide detailed, actionable insights that augment decision-making. The platform’s meticulous test reporting in software testing warrants that every discrepancy, irrespective of its magnitude, is identified, documented, and rectified. In addition, the platform’s capabilities to run tests on real devices across global locations ensure that applications are validated under varied real-world conditions, substantiating their robustness and reliability.
Moreover, the unification of quantitative data with qualitative insights further amplifies the competence of HeadSpin. It provides the ‘what’ in the form of data and analytics and the ‘why’ through its video sessions and performance metrics, ensuring that every discerned issue can be comprehensively explored and resolved.
## EMBRACING A FUTURE-READY TESTING STRATEGY
As enterprises burgeon and technologies evolve, the amalgamation of intelligent testing strategies with proficient testing platforms emerges as an imperious necessity. Integrating comprehensive E2E testing frameworks with a platform like HeadSpin, which furnishes detailed test reporting in software testing, testers, and developers can substantiate the reliability, functionality, and user experience of applications across diverse use cases and geographies.
Therefore, understanding, adopting, and implementing advanced testing frameworks are not mere obligations but strategic decisions that safeguard software applications’ quality, reliability, and user experience in a progressively digital world. By rigorously validating every facet of an application through proficient E2E testing and accurate test reporting, enterprises not only fortify their offerings but also substantiate their commitment to delivering unwavering quality to their end users.
Original source: https://appleworld.today/a-comprehensive-exploration-frameworks-elevating-mastery-in-end-to-end-testing/ | berthaw82414312 |
1,882,895 | DOCX to PDF Conversion via API | tl;dr: In this article you will learn how to convert .docx files to PDF programmatically using the... | 0 | 2024-06-10T08:13:25 | https://dev.to/fileforge/docx-to-pdf-conversion-via-api-1mpp | pdf, api, node, docx | **tl;dr**: In this article you will learn how to convert .docx files to PDF programmatically using the Fileforge API.
## Introduction
With the latest update of the Fileforge API, you can now convert .docx files to PDF. This feature is particularly useful for generating invoices, reports, and other documents that need to be shared or printed. In this article, I will show you how to convert .docx files to PDF using the Fileforge API. Especially, we will use the Node.js SDK to demonstrate the process.
## Prerequisites
Before we get started, you will need to sign up for a free Fileforge account and create an API key. You can sign up for an account [here](https://app.fileforge.com) and get your API key from the dashboard.
I also encourage you to take a look at the documentation for the Fileforge API, which you can find [here](https://docs.fileforge.com).
## Converting .docx to PDF
Let's dive into the code. Here is a simple example of how you can convert a .docx file to PDF using the Fileforge API in Node.js:
```javascript
import { FileforgeClient } from "@fileforge/client";
import * as fs from "fs";
const ff = new FileforgeClient({
apiKey: process.env.API_KEY_INTEGRATION,
});
(async () => {
try {
const docxFile = fs.createReadStream("file-sample.docx");
const pdfStream = await ff.pdf.fromDocx(
docxFile,
{},
{
timeoutInSeconds: 30,
},
);
pdfStream.pipe(fs.createWriteStream("./result_docx.pdf"));
console.log("PDF conversion successful. Stream ready.");
} catch (error) {
console.error("Error during PDF conversion:", error);
}
})();
```
In this code snippet, we:
- First import the `FileforgeClient` class from the `@fileforge/client` package. We then create a new instance of the `FileforgeClient` class with our API key.
- Next, we read the .docx file from the local file system using `fs.createReadStream`.
- Finally, we call the `ff.pdf.fromDocx` method with the .docx file stream as the first argument. This method returns a PDF stream that we can pipe to a file stream using `fs.createWriteStream`.
You can try this code snippet with your own .docx file. Make sure to replace `"file-sample.docx"` with the path to your .docx file.
## How it works behind the scenes
This service operates on a LibreOffice headless server. When you send a .docx file to the Fileforge API, we use this headless server to convert your file to a PDF file. As of now, this solution may not fully support all .docx features, but we are continuously improving it. If you encounter any issues or have any specific request, please [contact us](mailto:contact@fileforge.com).
## Conclusion
In this article we have demonstrated how to convert .docx files to PDF using the Fileforge API. We also discussed how this service works behind the scenes. We are working to improve the quality of the conversion service and add more features in the future. If you have any feedback or suggestions, please feel free to reach out to us. We would love to hear from you!
- Try the new Fileforge API endpoints for .docx to pdf conversion [here](https://app.fileforge.com). It's free!
- Join the Fileforge community on [Discord](https://discord.com/invite/uRJE6e2rgr) and share your feedback with us.
- Contribute to the [open-source library](https://github.com/OnedocLabs/react-print-pdf)
This article is taken from [Fileforge's blog](https://www.fileforge.com/blog/docx-to-pdf)
| auguste |
1,882,894 | HFDP(13) - Patterns in the real world (a review and a summary) | What is a pattern? Simply put, a pattern is a solution to a problem in a context. Note the context... | 21,253 | 2024-06-10T08:06:56 | https://dev.to/jzfrank/hfdp13-patterns-in-the-real-world-a-review-and-a-summary-1i0f | What is a pattern? Simply put, a pattern is a solution to a problem in a context. Note the context should be a recurring situation. Patterns are a collection of wisdom to solve problems.
## Review
Let's take a brief review of what we have learnt so far:
- Decorator: wraps an object to provide new behavior
- State: encapsulates state-based behaviors and uses delegation to switch between behaviors.
- Iterator: provides a way to traverse a collection of objects without exposing its implementation.
- Facade: simplifies the interface of a set of classes.
- Strategy: encapsulates interchangeable behaviors and uses delegation to decide which one to use.
- Proxy: wraps an object to control access to it.
- Factory method: allows a client to create families of objects without specifying their concrete classes.
- Adapter: wraps an object and provides a different interface to it.
- Observer: allows objects to be notifies when state changes.
- Template method: Subclasses decide how to implement steps in an algorithm.
- Composite: Clients treat collections of objects and individual objects uniformly.
- Singleton: ensures one and only one object is created.
- Abstract factory: allows a client to create families of objects without specifying their concrete classes.
- Command: encapsulates a request as an object.
There are more patterns for sure, but they are probably the most popular ones.
## Category of Patterns
There are many ways to classify patterns. Understanding the categories help you memorize them and communicate them better.
One way is to partition patterns into creational, behavioral, structural pattern.
- Creational Pattern: involves object instantiation. Provides a way to decouple a client from the object it needs to instantiate.
- Behavioral Pattern: is concerned with how classes and objects interact and distribute responsibilities.
- Structural Pattern: lets you compose classes or objects into larger structures.
Another way is to classify them into class patterns and object patterns.
- Class Patterns describe how relationships between classes are defined via inheritance. Relationships in class patterns are established at compile time.
- Object Patterns describe relationships between objects and are primarily defined by composition. Relationships in object patterns are typically created at runtime and are more dynamic and flexible.
## Remarks
- Do not use patterns just to use patterns. Always prefer simplicity (KISS: keep it simple). If a problem could be solved without using patterns, prefer easier solution. Only use patterns whenever you see benefits (e.g. You see a practical change might happen, which could be solved by using patterns).
- Refactoring is usually patterns time. e.g. Many conditional statements may hint for State pattern.
- Patterns are a common vocabulary that accelerate communication among developers.
## Anti-patterns
Anti-patterns tell you a bad solution to a problem. Why it could be tempting. And what should be the right direction.
See [anti-patterns](https://sourcemaking.com/antipatterns).
| jzfrank |
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