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Python - Convert List to Single valued Lists in Tuple - GeeksforGeeks | 10 Jul, 2020
Conversion of data types is the most common problem across CS domain nowdays. One such problem can be converting List elements to single values lists in tuples. This can have application in data preprocessing domain. Let’s discuss certain ways in which this task can be performed.
Input : test_list = [1, 3,... | [
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"text": "Conversion of data types is the most common problem across CS domain nowdays. One such problem can be converting List elements to single values lists in tuples. Th... |
Complementing Machine Learning Algorithms with Image Processing | by Rafael Madrigal | Towards Data Science | Pics, or it did not happen. Taking photos of everyday moments has become today’s default. Last year, Keypoint Intelligence projected that humanity would generate 1,436,300,000,000 images. Mylio, an image organization solutions provider, even forecasted this number to hit 1.6 Trillion in 2022. Wow. That’s a lot of photo... | [
{
"code": null,
"e": 494,
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"text": "Pics, or it did not happen. Taking photos of everyday moments has become today’s default. Last year, Keypoint Intelligence projected that humanity would generate 1,436,300,000,000 images. Mylio, an image organization solutions provider, even forecasted th... |
React Suite SelectPicker Component - GeeksforGeeks | 11 Apr, 2022
React Suite is a popular front-end library with a set of React components that are designed for the middle platform and back-end products. SelectPicker component allows the users to select a single piece of data. This component also supports grouping. We can use the following approach in ReactJS to use the... | [
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"text": "React Suite is a popular front-end library with a set of React components that are designed for the middle platform and back-end products. SelectPicker component a... |
CSS | stroke-dasharray Property - GeeksforGeeks | 21 Nov, 2019
The stroke-dasharray property is used to set the pattern of dashes and gaps used in the stroke of SVG shapes. A larger value indicates a larger number of dashes. Different values can be specified in the array parameter to change the pattern.
Syntax:
stroke-dasharray: <dasharray> | none
Property Values:
das... | [
{
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"text": "\n21 Nov, 2019"
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"text": "The stroke-dasharray property is used to set the pattern of dashes and gaps used in the stroke of SVG shapes. A larger value indicates a larger number of dashes. D... |
HTML | DOM Input Radio required Property - GeeksforGeeks | 25 Mar, 2019
The DOM Input Radio required Property in HTML DOM is used to set or return whether Input Radio Field should be checked or not when submitting the form. This property is used to reflect the HTML required attribute.
Syntax:
It returns the Input Radio required property.radioObject.required
radioObject.require... | [
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"text": "The DOM Input Radio required Property in HTML DOM is used to set or return whether Input Radio Field should be checked or not when submitting the form. This proper... |
C# | Jump Statements (Break, Continue, Goto, Return and Throw) - GeeksforGeeks | 09 Feb, 2022
In C#, Jump statements are used to transfer control from one point to another point in the program due to some specified code while executing the program. There are five keywords in the Jump Statements:
break
continue
goto
return
throw
The break statement is used to terminate the loop or statement in whic... | [
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"text": "In C#, Jump statements are used to transfer control from one point to another point in the program due to some specified code while executing the program. There ar... |
Logistic Regression and Decision Boundary | by Anuradha Wickramarachchi | Towards Data Science | The fundamental application of logistic regression is to determine a decision boundary for a binary classification problem. Although the baseline is to identify a binary decision boundary, the approach can be very well applied for scenarios with multiple classification classes or multi-class classification.
In the abov... | [
{
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"text": "The fundamental application of logistic regression is to determine a decision boundary for a binary classification problem. Although the baseline is to identify a binary decision boundary, the approach can be very well applied for scenarios with multiple ... |
Minimum cost to convert string into palindrome - GeeksforGeeks | 21 May, 2021
Convert string S into a palindrome string. You can only replace a character with any other character. When you replace character ‘a’ with any other character, it costs 1 unit, similarly for ‘b’ it is 2 units ..... and for ‘z’, it is 26 units. Find the minimum cost required to convert string S into palindro... | [
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"text": "Convert string S into a palindrome string. You can only replace a character with any other character. When you replace character ‘a’ with any other character, it c... |
How to scrape any website with Python and Beautiful Soup (dynamic web) | by Patrick Collins | Towards Data Science | Note: This is a purely technical tutorial. Please check with the policies of the website before engaging in any scraping. In the example I use, it’s not legal to scrape the site: https://gitcoin.co//legal/terms. Please do not use.
For those who want to see it done in front of your eyes, check out my YouTube video at th... | [
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},
{
"code": nu... |
JSON - DataTypes | JSON format supports the following data types −
Number
double- precision floating-point format in JavaScript
String
double-quoted Unicode with backslash escaping
Boolean
true or false
Array
an ordered sequence of values
Value
it can be a string, a number, true or false, null etc
Object
an unordered collection of key:va... | [
{
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"text": "JSON format supports the following data types −"
},
{
"code": null,
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"text": "Number"
},
{
"code": null,
"e": 1889,
"s": 1835,
"text": "double- precision floating-point format in JavaScript"
... |
NLG for Fun — Automated Headlines Generator | by AbdulMajedRaja RS | Towards Data Science | Natural Language Generation is a very important area to be explored in our time. It forms the basis of how a bot would communicate with — not like how literates write books but like how we talk. In this Kernel, I’d like to show you a very simple but powerful Python module that does a similar exercise in (literally) a c... | [
{
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"text": "Natural Language Generation is a very important area to be explored in our time. It forms the basis of how a bot would communicate with — not like how literates write books but like how we talk. In this Kernel, I’d like to show you a very simple but power... |
JavaScript program to retrieve clients IP address | Following is the code for retrieving clients IP address −
Live Demo
<!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 {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
... | [
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"text": "Following is the code for retrieving clients IP address −"
},
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"s": 1120,
"text": " Live Demo"
},
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"text": "<!DOCTYPE html>\n<html lang=\"en\">\n<head... |
Kotlin Tail Recursion - GeeksforGeeks | 28 Mar, 2022
In traditional recursion call, we perform our recursive call first, and then we take the return value of the recursive call and calculate the result. But in tail recursion, we perform the calculation first, and then we execute the recursive call, passing the results of the current step to the next recursiv... | [
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"code": null,
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"text": "In traditional recursion call, we perform our recursive call first, and then we take the return value of the recursive call and calculate the result. But in tail r... |
SQL Interview Questions You Must Prepare: The Ultimate Guide | by Nathan Rosidi | Towards Data Science | SQL is a must have tool in the arsenal of any aspiring data scientist. In this article we provide an outline to learn, prepare and ace your next SQL Interview for a Data Science role. We will explore why SQL is so widely used, then provide you a breakdown of SQL skills needed by each role viz — Data Analyst, Data Scien... | [
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Difference between List and Set in Java | List and Set both interface belongs to the Collection framework. Both interfaces extend the Collection interface. They both are used to store a collection of objects as a single unit.
Before jdk1.2, we used to use Arrays, Vectors, and Hashtable for grouping objects as a single unit.
import java.util.List;
import java... | [
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How to set sql_mode permanently in MySQL? | If you are using Windows Operating System, check your directory my.cnf or my.ini file.
mysql> select @@datadir;
The following is the output
+---------------------------------------------+
| @@datadir |
+---------------------------------------------+
| C:\ProgramData\MySQL\MySQL Server ... | [
{
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"text": "If you are using Windows Operating System, check your directory my.cnf or my.ini file."
},
{
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"text": "mysql> select @@datadir;"
},
{
"code": null,
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"text": ... |
Rexx - reverse String | This method returns the characters in a reverse format.
reverse(str)
str − The source string
str − The source string
This method returns the characters in a reverse format.
/* Main program */
a = "Hello World"
say reverse(a)
When we run the above program we will get the following result.
dlroW olleH
Print
Add... | [
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"text": "reverse(str) \n"
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{
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"text": "str − The source string"
},
{
"... |
Learning One-Hot Encoding in Python the Easy Way | by Tanu N Prabhu | Towards Data Science | Let’s understand the situation first and then define one-hot encoding. Sometimes solving a problem is one of the fastest ways to understand the concepts. Alright, let's create a situation first (I just made up the situation). Just a heads up the entire code can be found in my GitHub Repository given below:
github.com
L... | [
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Angular PrimeNG Paginator Component - GeeksforGeeks | 03 Oct, 2021
Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. In this article, we will know how to use the Paginator component in Angular PrimeNG. We will also learn abo... | [
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"text": "Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make resp... |
Encryption of files | In Python, it is possible to encrypt and decrypt files before transmitting to a communication channel. For this, you will have to use the plugin PyCrypto. You can installation this plugin using the command given below.
pip install pycrypto
The program code for encrypting the file with password protector is mentioned b... | [
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"text": "In Python, it is possible to encrypt and decrypt files before transmitting to a communication channel. For this, you will have to use the plugin PyCrypto. You can installation this plugin using the command given below."
},
{
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Scrapy - Sending an E-mail | Scrapy can send e-mails using its own facility called as Twisted non-blocking IO which keeps away from non-blocking IO of the crawler. You can configure the few settings of sending emails and provide simple API for sending attachments.
There are two ways to instantiate the MailSender as shown in the following table −
T... | [
{
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"text": "Scrapy can send e-mails using its own facility called as Twisted non-blocking IO which keeps away from non-blocking IO of the crawler. You can configure the few settings of sending emails and provide simple API for sending attachments."
},
{
"co... |
JavaScript - The Strings Object | The String object lets you work with a series of characters; it wraps Javascript's string primitive data type with a number of helper methods.
As JavaScript automatically converts between string primitives and String objects, you can call any of the helper methods of the String object on a string primitive.
Use the fol... | [
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IPython - Magic Commands | Magic commands or magic functions are one of the important enhancements that IPython offers compared to the standard Python shell. These magic commands are intended to solve common problems in data analysis using Python. In fact, they control the behaviour of IPython itself.
Magic commands act as convenient functions w... | [
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"text": "Magic commands or magic functions are one of the important enhancements that IPython offers compared to the standard Python shell. These magic commands are intended to solve common problems in data analysis using Python. In fact, they control the behavi... |
Max distance between same elements | Practice | GeeksforGeeks | Given an array with repeated elements, the task is to find the maximum distance between two occurrences of an element.
Example 1:
Input
n= 6
arr = {1, 1, 2, 2, 2, 1}
Output
5
Explanation
arr[] = {1, 1, 2, 2, 2, 1}
Max Distance: 5
Distance for 1 is: 5-0 = 5
Distance for 2 is : 4-2 = 2
Max Distance 5
Example 2:
Input
n... | [
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"text": "Example 1:"
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Create a Doubly Linked List from a Ternary Tree - GeeksforGeeks | 29 Mar, 2022
Given a ternary tree, create a doubly linked list out of it. A ternary tree is just like binary tree but instead of having two nodes, it has three nodes i.e. left, middle, right.
The doubly linked list should holds following properties –
Left pointer of ternary tree should act as prev pointer of doubly l... | [
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"text": "\n29 Mar, 2022"
},
{
"code": null,
"e": 25059,
"s": 24880,
"text": "Given a ternary tree, create a doubly linked list out of it. A ternary tree is just like binary tree but instead of having two nodes, it has three nodes i.e. left,... |
PostgreSQL – REPLACE Function | 01 Feb, 2021
In PostgreSQL, the REPLACE function is used to search and replace all occurrences of a string with a new one.
Syntax: REPLACE(source, old_text, new_text );
Let’s analyze the above syntax:
The source is a string where you want to replace the existing string.
The old_text is the string that is to be searched... | [
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"text": "In PostgreSQL, the REPLACE function is used to search and replace all occurrences of a string with a new one."
},
{
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Jaro and Jaro-Winkler similarity | 15 Feb, 2022
Jaro Similarity is the measure of similarity between two strings. The value of Jaro distance ranges from 0 to 1. where 1 means the strings are equal and 0 means no similarity between the two strings.
Examples:
Input: s1 = “CRATE”, s2 = “TRACE”; Output: Jaro Similarity = 0.733333
Input: s1 = “DwAyNE”, s2... | [
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"code": null,
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"text": "Jaro Similarity is the measure of similarity between two strings. The value of Jaro distance ranges from 0 to 1. where 1 means the strings are equal and 0 means no similarity... |
VBScript CDate() Function | 20 Oct, 2021
The VBScript CDate Function is used to convert a valid date and time expression to type Date. It returns the correct order of dates. It recognizes date formats according to the locale setting of your system.
Note: We can also use the IsDate function to determine if date can be converted to a date or time.
... | [
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"text": "The VBScript CDate Function is used to convert a valid date and time expression to type Date. It returns the correct order of dates. It recognizes date formats according to th... |
Java 8 | Consumer Interface in Java with Examples | 17 Sep, 2021
The Consumer Interface is a part of the java.util.function package which has been introduced since Java 8, to implement functional programming in Java. It represents a function which takes in one argument and produces a result. However these kind of functions don’t return any value.Hence this functional in... | [
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"text": "The Consumer Interface is a part of the java.util.function package which has been introduced since Java 8, to implement functional programming in Java. It represents a functi... |
find_element_by_link_text() driver method – Selenium Python | 09 Sep, 2021
Selenium’s Python Module is built to perform automated testing with Python. Selenium Python bindings provide a simple API to write functional/acceptance tests using Selenium WebDriver. After you have installed selenium and checked out – Navigating links using get method, you might want to play more with Se... | [
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"code": null,
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"text": "Selenium’s Python Module is built to perform automated testing with Python. Selenium Python bindings provide a simple API to write functional/acceptance tests using Selenium W... |
Java Program for Rat in a Maze | Backtracking-2 | 08 Jun, 2022
We have discussed Backtracking and Knight’s tour problem in Set 1. Let us discuss Rat in a Maze as another example problem that can be solved using Backtracking.
A Maze is given as N*N binary matrix of blocks where source block is the upper left most block i.e., maze[0][0], and destination block is lower r... | [
{
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{
"code": null,
"e": 216,
"s": 54,
"text": "We have discussed Backtracking and Knight’s tour problem in Set 1. Let us discuss Rat in a Maze as another example problem that can be solved using Backtracking."
},
{
... |
How to pretty print JSON string in JavaScript ? | 26 Jul, 2021
Given a JavaScript object and the task is to print the JSON object in pretty ( easy to read) format using JavaScript. Use <pre> element to display the object in pretty format.
Approach:
Declare a JSON object and store it into variable.
Use JSON.stringify(obj) method to convert JavaScript objects into strin... | [
{
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"text": "\n26 Jul, 2021"
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"code": null,
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"s": 28,
"text": "Given a JavaScript object and the task is to print the JSON object in pretty ( easy to read) format using JavaScript. Use <pre> element to display the object in pretty format.... |
Python: AttributeError | 09 Aug, 2021
In every programming language, if we develop new programs, there is a high chance of getting errors or exceptions. These errors yield to the program not being executed. One of the error in Python mostly occurs is “AttributeError”. AttributeError can be defined as an error that is raised when an attribute r... | [
{
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"text": "\n09 Aug, 2021"
},
{
"code": null,
"e": 806,
"s": 28,
"text": "In every programming language, if we develop new programs, there is a high chance of getting errors or exceptions. These errors yield to the program not being executed. One of... |
Designing Deterministic Finite Automata (Set 1) | 02 Jun, 2022
Prerequisite – Designing finite automata In this article, we will see some designing of Deterministic Finite Automata (DFA).
Problem-1: Construction of a DFA for the set of string over {a, b} such that length of the string |w|=2 i.e, length of the string is exactly 2. Explanation – The desired language wi... | [
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"text": "Prerequisite – Designing finite automata In this article, we will see some designing of Deterministic Finite Automata (DFA). "
},
{
"code": null,
"e": 372,
"s... |
What is AOT and JIT Compiler in Angular ? | 05 Nov, 2020
An angular application mainly consists of HTML templates, their components which include various TypeScript files. There are some unit testing and configuration file. Whenever we run over an application, the browser cannot understand the code directly hence we have to compile our code.
What is Ahead of Tim... | [
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"text": "An angular application mainly consists of HTML templates, their components which include various TypeScript files. There are some unit testing and configuration file. Wheneve... |
Python | Pandas DataFrame.tz_localize | 30 May, 2022
Pandas DataFrame is a two-dimensional size-mutable, potentially heterogeneous tabular data structure with labeled axes (rows and columns). Arithmetic operations align on both row and column labels. It can be thought of as a dict-like container for Series objects. This is the primary data structure of the P... | [
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"text": "Pandas DataFrame is a two-dimensional size-mutable, potentially heterogeneous tabular data structure with labeled axes (rows and columns). Arithmetic operations align on both ... |
kbhit in C language | 07 Jun, 2022
kbhit() functionality is basically stand for the Keyboard Hit. This function is deals with keyboard pressing
kbhit() is present in conio.h and used to determine if a key has been pressed or not. To use kbhit function in your program you should include the header file “conio.h”. If a key has been pressed t... | [
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"text": "kbhit() functionality is basically stand for the Keyboard Hit. This function is deals with keyboard pressing "
},
{
"code": null,
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"tex... |
Exporting variable to CSV file in Python | 25 Feb, 2021
The CSV file or comma-separated values file is used to store and share data across platforms. The columns are separated by commas or other relevant delimiters, giving the data a tabular structure.
Sometimes we come across ready-made CSV files while sometimes we need to create one according to the requirem... | [
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"text": "The CSV file or comma-separated values file is used to store and share data across platforms. The columns are separated by commas or other relevant delimiters, giving the data... |
Fragment to Fragment Communication in Android using Shared ViewModel | 06 Jun, 2021
If there are two or more fragments in an activity, they need to communicate and share the data between them. The traditional way of sharing the data between the two fragments is implementing the callback using an interface that is cumbersome and may throw exceptions. But the modern way of doing that is usi... | [
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"text": "If there are two or more fragments in an activity, they need to communicate and share the data between them. The traditional way of sharing the data between the two fragments ... |
D3.js - Timer API | Timer API module is used to perform the concurrent animations with synchronized timing delay. It uses requestAnimationFrame for animation. This chapter explains Timer API module in detail.
This method tells the browser that you wish to perform an animation and requests that the browser call a specified function to upda... | [
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"text": "Timer API module is used to perform the concurrent animations with synchronized timing delay. It uses requestAnimationFrame for animation. This chapter explains Timer API module in detail."
},
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ML | Heart Disease Prediction Using Logistic Regression . - GeeksforGeeks | 08 Nov, 2021
World Health Organization has estimated that four out of five cardiovascular diseases(CVD) deaths are due to heart attacks. This whole research intends to pinpoint the ratio of patients who possess a good chance of being affected by CVD and also to predict the overall risk using Logistic Regression.
What i... | [
{
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"text": "\n08 Nov, 2021"
},
{
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"text": "World Health Organization has estimated that four out of five cardiovascular diseases(CVD) deaths are due to heart attacks. This whole research intends to pinpoint... |
Min Cost Path | A matrix of the different cost is given. Also, the destination cell is provided. We have to find minimum cost path to reach the destination cell from the starting cell (0, 0).
Each cell of the matrix represents the cost to traverse through that cell.
From a cell, we cannot move anywhere, we can move either to the righ... | [
{
"code": null,
"e": 1238,
"s": 1062,
"text": "A matrix of the different cost is given. Also, the destination cell is provided. We have to find minimum cost path to reach the destination cell from the starting cell (0, 0)."
},
{
"code": null,
"e": 1314,
"s": 1238,
"text": "Each c... |
Calculate the power on a BigInteger in Java | Use the BigInteger pow() method in Java to calculate the power on a BigInteger.
First, let us create some objects.
BigInteger one, two;
one = new BigInteger("5");
Perform the power operation and assign it to the second object −
// power operation
two = one.pow(3);
The following is an example −
Live Demo
import java.ma... | [
{
"code": null,
"e": 1142,
"s": 1062,
"text": "Use the BigInteger pow() method in Java to calculate the power on a BigInteger."
},
{
"code": null,
"e": 1177,
"s": 1142,
"text": "First, let us create some objects."
},
{
"code": null,
"e": 1225,
"s": 1177,
"text... |
Return from void functions in C++ | The void functions are called void because they do not return anything. “A void function cannot return anything” this statement is not always true. From a void function, we cannot return any values, but we can return something other than values. Some of them are like below.
A void function cannot return any values. But... | [
{
"code": null,
"e": 1337,
"s": 1062,
"text": "The void functions are called void because they do not return anything. “A void function cannot return anything” this statement is not always true. From a void function, we cannot return any values, but we can return something other than values. Some of... |
React ES6 Ternary Operator | The ternary operator is a simplified conditional operator like if / else.
Syntax: condition ? <expression if true> : <expression if false>
Here is an example using if / else:
if (authenticated) {
renderApp();
} else {
renderLogin();
}
Try it Yourself »
Here is the same example using a ternary operator:
authentic... | [
{
"code": null,
"e": 74,
"s": 0,
"text": "The ternary operator is a simplified conditional operator like if / else."
},
{
"code": null,
"e": 139,
"s": 74,
"text": "Syntax: condition ? <expression if true> : <expression if false>"
},
{
"code": null,
"e": 175,
"s": ... |
NLP Sentiment Analysis Handbook | Towards Data Science | Natural Language Processing (NLP) is the area of machine learning that focuses on the generation and understanding of language. Its main objective is to enable machines to understand, communicate and interact with humans in a natural way.
NLP has many tasks such as Text Generation, Text Classification, Machine Translat... | [
{
"code": null,
"e": 411,
"s": 172,
"text": "Natural Language Processing (NLP) is the area of machine learning that focuses on the generation and understanding of language. Its main objective is to enable machines to understand, communicate and interact with humans in a natural way."
},
{
"c... |
How to aggregate sum in MongoDB to get the total count? | To aggregate sum in MongoDB to get the total count, you can use the $sum operator. To understand the above concept, let us create a collection with the document −
> db.aggregateSumDemo.insertOne({"CustomerName":"Larry","Amount":140});
{
"acknowledged" : true,
"insertedId" : ObjectId("5c8baa0680f10143d8431e18")
}
... | [
{
"code": null,
"e": 1225,
"s": 1062,
"text": "To aggregate sum in MongoDB to get the total count, you can use the $sum operator. To understand the above concept, let us create a collection with the document −"
},
{
"code": null,
"e": 1850,
"s": 1225,
"text": "> db.aggregateSumDe... |
C# Program to find the sum of a sequence | Firstly, set a sequence.
List<int> myList = new List<int> { 1, 2, 3, 4 ,5};
Now find the sum using the Queryable Sum() method.
myList.AsQueryable().Sum();
Live Demo
using System;
using System.Linq;
using System.Collections.Generic;
public class Demo {
public static void Main() {
List<int> myList = new List<in... | [
{
"code": null,
"e": 1087,
"s": 1062,
"text": "Firstly, set a sequence."
},
{
"code": null,
"e": 1138,
"s": 1087,
"text": "List<int> myList = new List<int> { 1, 2, 3, 4 ,5};"
},
{
"code": null,
"e": 1189,
"s": 1138,
"text": "Now find the sum using the Queryabl... |
putchar() function in C - GeeksforGeeks | 10 Jan, 2019
The putchar(int char) method in C is used to write a character, of unsigned char type, to stdout. This character is passed as the parameter to this method.
Syntax:
int putchar(int char)
Parameters: This method accepts a mandatory parameter char which is the character to be written to stdout.
Return Value: ... | [
{
"code": null,
"e": 23841,
"s": 23813,
"text": "\n10 Jan, 2019"
},
{
"code": null,
"e": 23997,
"s": 23841,
"text": "The putchar(int char) method in C is used to write a character, of unsigned char type, to stdout. This character is passed as the parameter to this method."
},
... |
JasmineJS - Spies | Jasmine spy is another functionality which does the exact same as its name specifies. It will allow you to spy on your application function calls. There are two types of spying technology available in Jasmine. The first methodology can be implemented by using spyOn() and the second methodology can be implemented using ... | [
{
"code": null,
"e": 2450,
"s": 2050,
"text": "Jasmine spy is another functionality which does the exact same as its name specifies. It will allow you to spy on your application function calls. There are two types of spying technology available in Jasmine. The first methodology can be implemented by... |
What is Android background music service? | What is Android background music service?
Before getting into an example, we should know what service is in android. Service is going to do background operation without interacting with UI and it works even after activity destroy.
This example demonstrates what is Android background music service.
Step 1 − Create a new... | [
{
"code": null,
"e": 1104,
"s": 1062,
"text": "What is Android background music service?"
},
{
"code": null,
"e": 1293,
"s": 1104,
"text": "Before getting into an example, we should know what service is in android. Service is going to do background operation without interacting w... |
Python | Prefix key match in dictionary - GeeksforGeeks | 02 Aug, 2019
Sometimes, while working with dictionaries, we can have a problem in which we need to find the dictionary items that have some constraints on keys. One such constraint can be a prefix match on keys. Let’s discuss certain ways in which this task can be performed.
Method #1 : Using dictionary comprehension +... | [
{
"code": null,
"e": 24286,
"s": 24258,
"text": "\n02 Aug, 2019"
},
{
"code": null,
"e": 24549,
"s": 24286,
"text": "Sometimes, while working with dictionaries, we can have a problem in which we need to find the dictionary items that have some constraints on keys. One such constr... |
Pandas Tutorial | Pandas is a Python library.
Pandas is used to analyze data.
We have created 14 tutorial pages for you to learn more about Pandas.
Starting with a basic introduction and ends up with cleaning and plotting data:
Test your Pandas skills with a quiz test.
Start Pandas Quiz
Insert the correct Pandas method to create a Serie... | [
{
"code": null,
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"text": "Pandas is a Python library."
},
{
"code": null,
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"text": "Pandas is used to analyze data."
},
{
"code": null,
"e": 130,
"s": 60,
"text": "We have created 14 tutorial pages for you to learn more about P... |
Longest Path in a Directed Acyclic Graph - GeeksforGeeks | 13 Sep, 2021
Given a Weighted Directed Acyclic Graph (DAG) and a source vertex s in it, find the longest distances from s to all other vertices in the given graph.The longest path problem for a general graph is not as easy as the shortest path problem because the longest path problem doesn’t have optimal substructure p... | [
{
"code": null,
"e": 34594,
"s": 34566,
"text": "\n13 Sep, 2021"
},
{
"code": null,
"e": 35752,
"s": 34594,
"text": "Given a Weighted Directed Acyclic Graph (DAG) and a source vertex s in it, find the longest distances from s to all other vertices in the given graph.The longest p... |
Get the number of rows and number of columns in Pandas Dataframe - GeeksforGeeks | 02 Jul, 2020
Pandas provide data analysts a variety of pre-defined functions to Get the number of rows and columns in a data frame. In this article, we will learn about the syntax and implementation of few such functions.
axes() method in pandas allows to get the number of rows and columns in a go. It accepts the argum... | [
{
"code": null,
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"s": 24264,
"text": "\n02 Jul, 2020"
},
{
"code": null,
"e": 24501,
"s": 24292,
"text": "Pandas provide data analysts a variety of pre-defined functions to Get the number of rows and columns in a data frame. In this article, we will learn about the syn... |
PHP Tags | A PHP code script is a text file having .php extension and is stored on web server. The PHP parser on server looks for special sequence of characters <?php and ?>. These are called PHP's opening and closing tags. Statements witihn these two are interpreted by the parser. PHP script within these tags can be embedded in ... | [
{
"code": null,
"e": 1520,
"s": 1062,
"text": "A PHP code script is a text file having .php extension and is stored on web server. The PHP parser on server looks for special sequence of characters <?php and ?>. These are called PHP's opening and closing tags. Statements witihn these two are interpre... |
VBScript String Function | The String Function fills a string with the specified character the specified number of times.
String(number,character)
Number, a Required Parameter. An integer value, which would be repeated for the specified number of times against the character parameter.
Number, a Required Parameter. An integer value, which would ... | [
{
"code": null,
"e": 2175,
"s": 2080,
"text": "The String Function fills a string with the specified character the specified number of times."
},
{
"code": null,
"e": 2201,
"s": 2175,
"text": "String(number,character)\n"
},
{
"code": null,
"e": 2340,
"s": 2201,
... |
C++ Program to Perform Graph Coloring on Bipartite Graphs | A bipartite graph is a graph in which if the graph coloring is possible using two colors i.e.; vertices in a set are colored with the same color. In this program we take a bipartite graph as input and outputs colors of each vertex after coloring the vertices.
Begin
BFS algorithm is used to traverse all the vertices.... | [
{
"code": null,
"e": 1322,
"s": 1062,
"text": "A bipartite graph is a graph in which if the graph coloring is possible using two colors i.e.; vertices in a set are colored with the same color. In this program we take a bipartite graph as input and outputs colors of each vertex after coloring the ver... |
Find closest value for every element in array in C++ | Here we will see how to find the closest value for every element in an array. If an element x has next element that is larger than it, and also present in the array, then that will be the greater value of that element. If the element is not present, then return -1. Suppose the array elements are [10, 5, 11, 6, 20, 12],... | [
{
"code": null,
"e": 1495,
"s": 1062,
"text": "Here we will see how to find the closest value for every element in an array. If an element x has next element that is larger than it, and also present in the array, then that will be the greater value of that element. If the element is not present, the... |
deque::clear() and deque::erase() in C++ STL - GeeksforGeeks | 22 Apr, 2022
Deque or Double-ended queues are sequence containers with the feature of expansion and contraction on both ends. They are similar to vectors, but are more efficient in the case of insertion and deletion of elements at the end, and also at the beginning. Unlike vectors, contiguous storage allocation may not... | [
{
"code": null,
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"s": 24568,
"text": "\n22 Apr, 2022"
},
{
"code": null,
"e": 24920,
"s": 24596,
"text": "Deque or Double-ended queues are sequence containers with the feature of expansion and contraction on both ends. They are similar to vectors, but are more efficien... |
How to plot data from multiple two-column text files with legends in Matplotlib? | To plot data from multiple two-column text files with legends in matplotlib, we can take the following steps −
Import genfromtxt from pylab. It has several options to read data from a text file and plot the data.
Import genfromtxt from pylab. It has several options to read data from a text file and plot the data.
Read ... | [
{
"code": null,
"e": 1173,
"s": 1062,
"text": "To plot data from multiple two-column text files with legends in matplotlib, we can take the following steps −"
},
{
"code": null,
"e": 1275,
"s": 1173,
"text": "Import genfromtxt from pylab. It has several options to read data from ... |
Cache Memory in Computer Organization - GeeksforGeeks | 28 Nov, 2021
Cache Memory is a special very high-speed memory. It is used to speed up and synchronizing with high-speed CPU. Cache memory is costlier than main memory or disk memory but economical than CPU registers. Cache memory is an extremely fast memory type that acts as a buffer between RAM and the CPU. It holds f... | [
{
"code": null,
"e": 28707,
"s": 28679,
"text": "\n28 Nov, 2021"
},
{
"code": null,
"e": 29119,
"s": 28707,
"text": "Cache Memory is a special very high-speed memory. It is used to speed up and synchronizing with high-speed CPU. Cache memory is costlier than main memory or disk m... |
Sort multidimensional array by multiple keys in PHP | The array_multisort function can be used to sort a multidimensional array based on multiple keys −
$my_list = array(
array('ID' => 1, 'title' => 'data one', 'event_type' => 'one'),
array('ID' => 2, 'title' => 'data two', 'event_type' => 'zero'),
array('ID' => 3, 'title' => 'data three', 'event_type' => 'one'),... | [
{
"code": null,
"e": 1161,
"s": 1062,
"text": "The array_multisort function can be used to sort a multidimensional array based on multiple keys −"
},
{
"code": null,
"e": 1878,
"s": 1161,
"text": "$my_list = array(\n array('ID' => 1, 'title' => 'data one', 'event_type' => 'one'... |
How to perform browser navigations in Selenium? | There are various navigate() methods to perform navigations in Selenium. They are as the listed below −
navigate().to(url)This is used to launch a new browser and open a particular URL as in the parameter.
navigate().to(url)
This is used to launch a new browser and open a particular URL as in the parameter.
navigate().... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "There are various navigate() methods to perform navigations in Selenium. They are as the listed below −"
},
{
"code": null,
"e": 1268,
"s": 1166,
"text": "navigate().to(url)This is used to launch a new browser and open a particular U... |
Introducing Skippa. SciKIt-learn Pre-processing Pipelines... | by Robert van Straalen | Towards Data Science | Any data scientist is probably familiar with pandas and scikit-learn. The usual workflow entails data cleaning in pandas, further pre-processing using either pandas again or scikit-learn transformers like StandardScaler, OneHotEncoder etc., after which a machine learning algorithm is fitted (something from scikit-learn... | [
{
"code": null,
"e": 501,
"s": 172,
"text": "Any data scientist is probably familiar with pandas and scikit-learn. The usual workflow entails data cleaning in pandas, further pre-processing using either pandas again or scikit-learn transformers like StandardScaler, OneHotEncoder etc., after which a ... |
Count number less than N which are product of perfect squares - GeeksforGeeks | 10 May, 2021
Given an Integer N. The task is count numbers P less than N such that P is a product of two distinct perfect squares.Examples:
Input : N = 36
Output : 5
Numbers are 4 = 12 * 22,
9 = 12 * 32,
16 = 12 * 42,
25 = 12 * 52,
36 = 12 * 62
Input : N = 1000000
Output : 999
Approach: Let us consider a numbe... | [
{
"code": null,
"e": 24692,
"s": 24664,
"text": "\n10 May, 2021"
},
{
"code": null,
"e": 24821,
"s": 24692,
"text": "Given an Integer N. The task is count numbers P less than N such that P is a product of two distinct perfect squares.Examples: "
},
{
"code": null,
"e... |
Android ViewPager in Kotlin - GeeksforGeeks | 21 Apr, 2021
ViewPager allows the users to swipe left or right through the pages containing data or see an entirely new screen. You can find this feature in all most many social media apps. WhatsApp also shows users three tabs in their app when it is opened: chats, status, and calls. It would be exciting to learn this ... | [
{
"code": null,
"e": 24725,
"s": 24697,
"text": "\n21 Apr, 2021"
},
{
"code": null,
"e": 25393,
"s": 24725,
"text": "ViewPager allows the users to swipe left or right through the pages containing data or see an entirely new screen. You can find this feature in all most many socia... |
XML - Character Entities | This chapter describes the XML Character Entities. Before we understand the Character Entities, let us first understand what an XML entity is.
As put by W3 Consortium the definition of an entity is as follows −
This means, entities are the placeholders in XML. These can be declared in the document prolog or in a DTD. T... | [
{
"code": null,
"e": 2104,
"s": 1961,
"text": "This chapter describes the XML Character Entities. Before we understand the Character Entities, let us first understand what an XML entity is."
},
{
"code": null,
"e": 2172,
"s": 2104,
"text": "As put by W3 Consortium the definition ... |
JavaScript | handler.get() Method - GeeksforGeeks | 28 Sep, 2021
The handler.get() method in JavaScript is a trap for getting a property value.Syntax:
const p = new Proxy(target, {
get: function(target, property, receiver) {
}
});
Parameters: This method accept three parameters as mentioned above and described below:
Target: This parameter holds the target objec... | [
{
"code": null,
"e": 25220,
"s": 25192,
"text": "\n28 Sep, 2021"
},
{
"code": null,
"e": 25308,
"s": 25220,
"text": "The handler.get() method in JavaScript is a trap for getting a property value.Syntax: "
},
{
"code": null,
"e": 25392,
"s": 25308,
"text": "co... |
Creating an Interactive Dashboard from Jupyter Notebook with Voila | by Ruben Winastwan | Towards Data Science | With the emergence of BI tools such as PowerBI and Tableau, Jupyter Notebook probably wouldn’t be the first tool that comes up in your mind when you want to create an interactive dashboard. However, thanks to Voila, now it is possible to build an interactive dashboard directly from Jupyter Notebook.
In this article, I ... | [
{
"code": null,
"e": 472,
"s": 171,
"text": "With the emergence of BI tools such as PowerBI and Tableau, Jupyter Notebook probably wouldn’t be the first tool that comes up in your mind when you want to create an interactive dashboard. However, thanks to Voila, now it is possible to build an interact... |
Sorting a String in C# | Firstly, set a string array.
string[] values = { "tim", "amit", "tom", "jack", "saurav"};
Use the Sort() method to sort.
Array.Sort(values);
Let us see the complete code −
Live Demo
using System;
public class Program {
public static void Main() {
string[] values = { "tim", "amit", "tom", "jack", "saurav"};
... | [
{
"code": null,
"e": 1091,
"s": 1062,
"text": "Firstly, set a string array."
},
{
"code": null,
"e": 1152,
"s": 1091,
"text": "string[] values = { \"tim\", \"amit\", \"tom\", \"jack\", \"saurav\"};"
},
{
"code": null,
"e": 1183,
"s": 1152,
"text": "Use the Sor... |
Creating a spam filter using Naive Bayes with TextAnalysis.jl | by Kim Fung | Towards Data Science | Hello! Today I’m gonna tell you more about what I did to make a spam filter using Naive Bayes to detect spam data from this dataset on kaggle by UCI Machine Learning, along with the use of TextAnalysis.jl on Julia.
I started off by looking at the docs off TextAnalysis.jl to understand more about how exactly the NaiveBa... | [
{
"code": null,
"e": 387,
"s": 172,
"text": "Hello! Today I’m gonna tell you more about what I did to make a spam filter using Naive Bayes to detect spam data from this dataset on kaggle by UCI Machine Learning, along with the use of TextAnalysis.jl on Julia."
},
{
"code": null,
"e": 514... |
C++ Memory Library - allocator | It defines the memory models to be used by some parts of the Standard Library, and most specifically, by STL containers.
Following is the declaration for std::allocator function.
template <class T> class allocator;
template <class T> class allocator;
T − It contains information about types of elements.
In below example... | [
{
"code": null,
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"text": "It defines the memory models to be used by some parts of the Standard Library, and most specifically, by STL containers."
},
{
"code": null,
"e": 2782,
"s": 2724,
"text": "Following is the declaration for std::allocator function."
... |
Get the count of a specific value in MongoDB | To get the count of a specific value in MongoDB, use aggregate(). Let us create a collection with documents −
> db.demo210.insertOne(
... {
... details: [
... {
... ClientName: "Robert"
... },
... {
...
... lientName: "John Doe"
... },
... {
...
... ... | [
{
"code": null,
"e": 1172,
"s": 1062,
"text": "To get the count of a specific value in MongoDB, use aggregate(). Let us create a collection with documents −"
},
{
"code": null,
"e": 1681,
"s": 1172,
"text": "> db.demo210.insertOne(\n... {\n... details: [\n... {\n..... |
Python VLC – Creating MediaPlayer object | 11 Apr, 2022
In this article we will see how we can create a MediaPlayer object in the python vlc module. VLC media player is a free and open-source portable cross-platform media player software and streaming media server developed by the VideoLAN project. MediaPlayer object is the basic object in vlc module for playin... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Apr, 2022"
},
{
"code": null,
"e": 428,
"s": 28,
"text": "In this article we will see how we can create a MediaPlayer object in the python vlc module. VLC media player is a free and open-source portable cross-platform media player so... |
C++ Interview questions based on constructors/ Destructors. | 28 Aug, 2018
1. What is destructor?Ans. Destructor is a member function which is called when an object is deleted/destroyed or goes out of scope.
class String {private: char* s; int size; public: String(char*); // constructor ~String(); // destructor};
2. What is the purpose of using a destructor in C++?An... | [
{
"code": null,
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"text": "\n28 Aug, 2018"
},
{
"code": null,
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"text": "1. What is destructor?Ans. Destructor is a member function which is called when an object is deleted/destroyed or goes out of scope."
},
{
"code": "class String {priv... |
Neo4j Create Node | 23 Aug, 2019
In the Neo4j to create node you will have to state CREATE statement. With the help of cypher language it is easy to create nodes, properties and relation between nodes. Let’s create sample node of GeeksforGeesk. You can see the table format, the actual code and the text also by selecting options. Below exa... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n23 Aug, 2019"
},
{
"code": null,
"e": 383,
"s": 28,
"text": "In the Neo4j to create node you will have to state CREATE statement. With the help of cypher language it is easy to create nodes, properties and relation between nodes. Let’s ... |
enum.IntEnum in Python | 22 Apr, 2020
With the help of enum.IntEnum() method, we can get the enumeration based on integer value, if we compare with normal enum based class it will fail by using enum.IntEnum() method.
Syntax : enum.IntEnum
Return : IntEnum doesn’t have a written type.
Example #1 :In this example we can see that by using enum.In... | [
{
"code": null,
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"text": "\n22 Apr, 2020"
},
{
"code": null,
"e": 207,
"s": 28,
"text": "With the help of enum.IntEnum() method, we can get the enumeration based on integer value, if we compare with normal enum based class it will fail by using enum.IntEnum() meth... |
Python – Create dictionary from the list | 01 Oct, 2020
Given a list. The task is to convert it to a dictionary with the values as the list element and keys as the concatenation of the given string K and value.
Examples:
Input : test_list = [“gfg”, “is”, “best”], K = “pref_” Output : {‘pref_gfg’: ‘gfg’, ‘pref_is’: ‘is’, ‘pref_best’: ‘best’} Explanation : Keys c... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n01 Oct, 2020"
},
{
"code": null,
"e": 183,
"s": 28,
"text": "Given a list. The task is to convert it to a dictionary with the values as the list element and keys as the concatenation of the given string K and value."
},
{
"code"... |
Merge two sorted lists (in-place) | 24 Jun, 2022
Given two sorted lists, merge them so as to produce a combined sorted list (without using extra space).Examples:
Input : head1: 5->7->9
head2: 4->6->8
Output : 4->5->6->7->8->9
Explanation: The output list is in sorted order.
Input : head1: 1->3->5->7
head2: 2->4
Output : 1->2->3->4->5-... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n24 Jun, 2022"
},
{
"code": null,
"e": 169,
"s": 54,
"text": "Given two sorted lists, merge them so as to produce a combined sorted list (without using extra space).Examples: "
},
{
"code": null,
"e": 413,
"s": 169,
... |
How to make a grouped boxplot graph in matplotlib? | To make a grouped boxplot graph in matplotlib, we can take the following steps −
Import matplotlib.pyplot and seaborn.
Set the figure size and adjust the padding between and around the subplots.
Load an example Seaborn dataset from the online repository.
Make a boxplot with male and female group in a single day.
To dis... | [
{
"code": null,
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"text": "To make a grouped boxplot graph in matplotlib, we can take the following steps −"
},
{
"code": null,
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"s": 1143,
"text": "Import matplotlib.pyplot and seaborn."
},
{
"code": null,
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"... |
DateTimeOffset.FromUnixTimeMilliseconds() Method in C# - GeeksforGeeks | 28 Feb, 2019
DateTimeOffset.FromUnixTimeMilliseconds(Int64) Method is used to convert a Unix time expressed as the number of milliseconds which have elapsed since 1970-01-01T00:00:00Z to a DateTimeOffset value.
Syntax: public static DateTimeOffset FromUnixTimeMilliseconds (long milliseconds);
Here, it takes a Unix time... | [
{
"code": null,
"e": 24302,
"s": 24274,
"text": "\n28 Feb, 2019"
},
{
"code": null,
"e": 24500,
"s": 24302,
"text": "DateTimeOffset.FromUnixTimeMilliseconds(Int64) Method is used to convert a Unix time expressed as the number of milliseconds which have elapsed since 1970-01-01T00... |
CSS | var() Function - GeeksforGeeks | 18 Dec, 2018
The var() function in CSS is used to insert a value for custom property.
Syntax:
var( custom_property, value )
Parameters: This function accepts two parameters which are listed below:
custom_property: It is the required parameter. The name of custom property must start with two dashes(–).
value: It is opti... | [
{
"code": null,
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"s": 28018,
"text": "\n18 Dec, 2018"
},
{
"code": null,
"e": 28119,
"s": 28046,
"text": "The var() function in CSS is used to insert a value for custom property."
},
{
"code": null,
"e": 28127,
"s": 28119,
"text": "Syntax:"
},
{... |
Adjusted Coefficient of Determination in R Programming - GeeksforGeeks | 11 Oct, 2020
Prerequisite: Multiple Linear Regression using R
A well-fitting regression model produces predicted values close to the observed data values. The mean model, which uses the mean for every predicted value, commonly would be used if there were no informative predictor variables. The fit of a proposed regress... | [
{
"code": null,
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"text": "\n11 Oct, 2020"
},
{
"code": null,
"e": 25291,
"s": 25242,
"text": "Prerequisite: Multiple Linear Regression using R"
},
{
"code": null,
"e": 25704,
"s": 25291,
"text": "A well-fitting regression model produces ... |
Spring JdbcTemplate CRUD Example | Spring JDBC Example | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In this tutorial, I am going to show you how ... | [
{
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"text": "PROGRAMMINGJava ExamplesC Examples"
},
{
"code": null,
"e": 172,
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"text": "Java Examples"
},
{
"code": null,
"e": 183,
"s": 172,
"text": "C Examples"
},
{
"code": null,
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"s": 183,
... |
C++ Program to Decode a Message Encoded Using Playfair Cipher | In this scheme, pairs of letters are encrypted, instead of single letters as in the case of simple substitution cipher.
In playfair cipher, initially a key table is created. The key table is a 5×5 grid of alphabets that acts as the key for encrypting the plaintext. Each of the 25 alphabets must be unique and one letter... | [
{
"code": null,
"e": 1182,
"s": 1062,
"text": "In this scheme, pairs of letters are encrypted, instead of single letters as in the case of simple substitution cipher."
},
{
"code": null,
"e": 1536,
"s": 1182,
"text": "In playfair cipher, initially a key table is created. The key ... |
Difference between Method Overriding and Method Hiding in C# | 19 Mar, 2019
Method Overriding is a technique that allows the invoking of functions from another class (base class) in the derived class. Creating a method in the derived class with the same signature as a method in the base class is called Method Overriding.In simple words, Overriding is a feature that allows a subcla... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n19 Mar, 2019"
},
{
"code": null,
"e": 728,
"s": 53,
"text": "Method Overriding is a technique that allows the invoking of functions from another class (base class) in the derived class. Creating a method in the derived class with the s... |
Fix “Error Could not find method implementation() for arguments [com.android.support:appcompat-v7:26.0.0]” in Android Studio | 16 Jun, 2021
Implementation is a dependency configuration used for library declaration and was introduced in the Android Gradle Plugin 3.0 by Google. Implementation dependencies are declared in this configuration which is internal and not meant for consumer exposure. The main reason for “Could not find method implement... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n16 Jun, 2021"
},
{
"code": null,
"e": 557,
"s": 28,
"text": "Implementation is a dependency configuration used for library declaration and was introduced in the Android Gradle Plugin 3.0 by Google. Implementation dependencies are declar... |
turtle.onscreenclick() function in Python | 26 Jul, 2020
The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version of Python installed with Tk support.
This function is used to bind fun to a mouse-click event on canvas.
Syntax :
turtle.onscre... | [
{
"code": null,
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"s": 25,
"text": "\n26 Jul, 2020"
},
{
"code": null,
"e": 270,
"s": 53,
"text": "The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a ve... |
Python – Filter float strings from String list | 29 Nov, 2019
Sometimes, while working with Python list, we can have a problem in which we need to separate the float values from valid strings. But problem arises when float values are in form of strings. Let’s discuss certain ways in which this task can be performed.
Method #1 : Using loop + Exception HandlingThe comb... | [
{
"code": null,
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"text": "\n29 Nov, 2019"
},
{
"code": null,
"e": 284,
"s": 28,
"text": "Sometimes, while working with Python list, we can have a problem in which we need to separate the float values from valid strings. But problem arises when float values are in ... |
Program for class interval arithmetic mean | 07 May, 2021
Given a class interval and frequency distribution and the task is to find Arithmetic mean. In case of frequency distribution the raw data is arranged by intervals having corresponding frequencies. So if we are interested to find arithmetic mean of the data having class interval we must know the mid variabl... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n07 May, 2021"
},
{
"code": null,
"e": 428,
"s": 52,
"text": "Given a class interval and frequency distribution and the task is to find Arithmetic mean. In case of frequency distribution the raw data is arranged by intervals having corr... |
id() function in Python | 25 Nov, 2017
Introductionid() is an inbuilt function in Python.Syntax:
id(object)
As we can see the function accepts a single parameter and is used to return the identity of an object. This identity has to be unique and constant for this object during the lifetime. Two objects with non-overlapping lifetimes may have th... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n25 Nov, 2017"
},
{
"code": null,
"e": 111,
"s": 53,
"text": "Introductionid() is an inbuilt function in Python.Syntax:"
},
{
"code": null,
"e": 122,
"s": 111,
"text": "id(object)"
},
{
"code": null,
"e":... |
How to input or read a Character, Word and a Sentence from user in C? | 21 Sep, 2021
C is a procedural programming language. It was initially developed by Dennis Ritchie as a system programming language to write an operating system. The main features of the C language include low-level access to memory, a simple set of keywords, and a clean style, these features make C language suitable fo... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n21 Sep, 2021"
},
{
"code": null,
"e": 518,
"s": 52,
"text": "C is a procedural programming language. It was initially developed by Dennis Ritchie as a system programming language to write an operating system. The main features of the C... |
Minimize modulo operations to make given Array a permutation of [1, N] | 15 Feb, 2022
Given an array arr[] of size N, the task is to find the minimum number of operations required to make the array a permutation of numbers in range [1, N] where, in each operation, an element at any index i can be replaced by arr[i]%k (k = any value greater than 0). Return -1 if the array cannot be made a pe... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n15 Feb, 2022"
},
{
"code": null,
"e": 373,
"s": 28,
"text": "Given an array arr[] of size N, the task is to find the minimum number of operations required to make the array a permutation of numbers in range [1, N] where, in each operati... |
Java - String concat() Method | This method appends one String to the end of another. The method returns a String with the value of the String passed into the method, appended to the end of the String, used to invoke this method.
Here is the syntax of this method −
public String concat(String s)
Here is the detail of parameters −
s − the String that... | [
{
"code": null,
"e": 2709,
"s": 2511,
"text": "This method appends one String to the end of another. The method returns a String with the value of the String passed into the method, appended to the end of the String, used to invoke this method."
},
{
"code": null,
"e": 2745,
"s": 270... |
Database Connectivity using C/C++ | In this section, you will learn how to use SQLite in C/C++ programs.
Before you start using SQLite in our C/C++ programs, you need to make sure that you have SQLite library set up on the machine. You can check the SQLite Installation chapter to understand the installation process.
Following are important C/C++ SQLite i... | [
{
"code": null,
"e": 1256,
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"text": "In this section, you will learn how to use SQLite in C/C++ programs."
},
{
"code": null,
"e": 1469,
"s": 1256,
"text": "Before you start using SQLite in our C/C++ programs, you need to make sure that you have SQLite library set up on... |
Python – os.pardir() method with example | 18 May, 2020
In Python, OS module provides various functions to interact with the operating system. This module comes under the Python standard utility module, so there is no need to install it manually.
os.pardir is a constant string used by the operating system to refer to the parent directory. This method is also av... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n18 May, 2020"
},
{
"code": null,
"e": 219,
"s": 28,
"text": "In Python, OS module provides various functions to interact with the operating system. This module comes under the Python standard utility module, so there is no need to insta... |
Java Program to Search for a File in a Directory | 21 Oct, 2020
Searching files in Java can be performed using the File class and FilenameFilter interface. The FilenameFilter interface is used to filter files from the list of files. This interface has a method boolean accept(File dir, String name) that is implemented to find the desired files from the list returned by ... | [
{
"code": null,
"e": 28,
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"text": "\n21 Oct, 2020"
},
{
"code": null,
"e": 464,
"s": 28,
"text": "Searching files in Java can be performed using the File class and FilenameFilter interface. The FilenameFilter interface is used to filter files from the list of files. This i... |
Docopt module in Python | 10 Jul, 2020
Docopt is a command line interface description module. It helps you define a interface for a command-line application and generates parser for it. The interface message in docopt is a formalized help message.
You can install docopt module in various ways, pip is one of the best ways to install docopt.
$pip... | [
{
"code": null,
"e": 28,
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"text": "\n10 Jul, 2020"
},
{
"code": null,
"e": 237,
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"text": "Docopt is a command line interface description module. It helps you define a interface for a command-line application and generates parser for it. The interface message in doc... |
plotly.express.line_3d() function in Python | 17 Jul, 2020
Plotly library of Python can be very useful for data visualization and understanding the data simply and easily. Plotly graph objects are a high-level interface to plotly which are easy to use.
This function is used to create a 3D line plot and can be used with pandas dataframes. Each row of dataframe is r... | [
{
"code": null,
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"s": 0,
"text": "\n17 Jul, 2020"
},
{
"code": null,
"e": 222,
"s": 28,
"text": "Plotly library of Python can be very useful for data visualization and understanding the data simply and easily. Plotly graph objects are a high-level interface to plotly whic... |
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