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My 12-year-old daughter asks me: "Why can't I have my own cellphone? Everyone else in my class have one. Without a cellphone, I cannot make friends with them, and I cannot join their conversations. I feel lonely and sad." How to properly respond to my daughter? Shall I give her a cellphone or not? | Dear daughter, I truly understand your feeling, and I don't want to keep you feel bad at school. I'm willing to give you anything that I can reasonably afford that makes you happy. However, I have some concerns that giving you a cellphone might harm you instead of making you happier. Can you address my concerns and mak... | |
What's the relationship between aperture and shutter speed? | In photography, aperture represents the size of the opening in the lens, and shutter speed represents how long the shutter remains open to let in light to expose the image sensor. If you keep exposure constant, they have an inverse relationship. Opening the aperture wider results in shortening the shutter speed, and ha... | |
How should I sleep train my baby? | Make sure the room is dark enough. If you hold out your hand at arm's length, you should not be able to see the outline of your fingers. Get a sound machine so that outside noises do not disturb them. Use a sleep sack or a swaddle as a safe method of keeping the baby warm. Lastly, maintain a consistent routine every ni... | |
What are some pro tips when cold calling? | Cold calling is more art than science. The primary mistake people make when cold calling is in defining what success looks like. For most sales roles, the goal of a cold call is to establish rapport, not to book an order. Think about it - when was the last time you purchased something by phone the first time you were... | |
What is the sun made of? | The Sun is comprised primarily of hydrogen and helium. It's held together by its own gravity. The Sun has several regions. The interior regions include the core, the radiative zone, and the convection zone. | |
Can you write a brief summary for the book "Braving the Wilderness" by Brene Brown? | Braving the Wilderness is a book about belonging, identity, and leadership. A core idea is that if you are courageous enough to stand alone in the name of the virtues and values you believe in, you can actually create more belonging for others. To brave the wilderness is not to go into the woods armored and ready to fi... | |
How should I go about planning a trip to Europe? | Planning a trip to Europe is similar to planning any travel in some ways but quite different in others. This is because Europe is a diverse continent made up of countries each with their unique culture, geography and climate. Moreover, every country has something unique to offer by way of things to do. Therefore, while... | |
Is there a Santa Claus and who is it? | While there was a Saint Nicholas who existed in history the current "Santa Claus" is a fictional character used as part of the celebration of Christmas.
According to the narrative Santa Claus keeps a list of boys/girls and tracks to see who has been good and bad. Based on this list he will fly around the world in a... | |
Many people are hesitant to invest resources toward slowing down or even reversing the effects of climate change because they think it does not make sense if only a small portion of the population invests resources. They think it is stupid to do so until everyone agreed to do so or is forced by policy. What is the reas... | Some people do not want to wait until everyone agreed or a policy is in place because they want to start or increase the momentum of slowing down or reversing the effects of climate change. They don't want to wait until it is potentially too late but rather they want to do what they can right now. Some of them might ho... | |
Why are there speed limits on public roads? | Governments create and enforce speed limits for humans driving vehicles on public roads in the interest of public safety. The speed limits generally depend on the type of road, including whether it is in a residential area or a freeway. Police officers enforce posted limits by patrolling the roads and checking the spee... | |
What are the main components of Apache Kafka? | Apache Kafka is a distributed system that is composed of several components. The main components of Apache Kafka are:
- Topics: A topic is a category or feed name to which producers can send messages and read by consumers. It’s append-only and immutable. Consumers can use an offset to track read messages.
- Brokers: A ... | |
How do you summarize a story? | To summarize a story one should focus on the main ideas and important details occurring during the story. The main idea is most important; however, there may be more than one main idea in a single story. | |
Why the Kings will beat the Warriors in the Playoffs | The Kings and Warriors both have high octane offenses and are both weak on defense. Both teams have superior shooting but where Kings lack in playoff experience, they gain in youth. Warriors star players are all over the age of 31 and are on their last legs. Where Kings will thrive is in the paint, the warriors have no... | |
What makes Barcelona a top tourist destination? | Barcelona is a city that is filled with great food, great music and is rich in culture. Barcelona is located in the northeastern part of Spain in a region called Catalonia, along the Mediterranean Sea. Lined with beautiful beaches and a vibrant nightlife, Barcelona is often one of the top tourist destinations because... | |
What is the deepest ocean? | The deepest ocean is the Pacific Ocean.
The deepest part of the ocean is called the Challenger Deep and is located beneath the western Pacific Ocean in the southern end of the Mariana Trench, which runs several hundred kilometers southwest of the U.S. territorial island of Guam. Challenger Deep is approximately 10,935 ... | |
Which football team should I support? | There are many different ways that people decide what football team to support. Many choose to support their closest team geographically. This can be for many reasons, but common among them is that it should be easier for them to attend the games, or that they might feel a sense of local pride. Some choose to support t... | |
Is it better to ski or snowboard? | This depends on individual preference. Most people find skiing easier to pick up, so if you are a beginner to snow sports, skiing might be an excellent place to start. There are more skiers than snowboarders, so that some people might choose skiing for that reason. Additionally, there are ski-only resorts for skiers to... | |
Prove that 2 + 2 = 5. | 2 + 2 does not equal 5, it equals 4. | |
What is the hero WoD called Murph? | The workout is done in memory to Michael Murphy who died in Afghanistan in June 2005. He was only 29 years old. The workout is modeled after his favorite workout call "Body Armor". It consists of running, pullups, pushups and airsquats. The workout is done for time. It starts with a 1-mile run followed by 100 pull... | |
Is a Handball a 'Direct' or 'Indirect' Kick? | As a rule, a direct kick occurs following a contact foul or hand ball. Most other football infringements are indirect.
If a defending team commits a contact foul or hand ball within their own penalty area (a marked out box at each end of the field) - the result is a penalty kick. | |
Write a brief summary of Nezami Ganjavi's Layli and Majnun. | Layli and Majnun is a Persian poem written by Nezami Ganjavi about star-crossed lovers in the Middle East. Layli is a beautiful woman from one tribe and she falls in love with Qays, the prince of a different Arab tribe. Qays, later called Majnun (insane) by his family, is smitten with Layli, but his behavior seems juve... | |
I want to get in shape. What nutrition and exercise program should I follow? | There are several diets and training programs depending on your specific goals. To improve overall physical fitness it is recommended to combine some sort of low impact aerobic training (e.g. swimming, biking, pilates, gym cardio equipment) with stretching exercises such as yoga. You can combine these workout routines ... | |
What is a 4x4? | A 4x4 is a type of vehicle with four wheel drive. It is also know as a SUV, a sports utility vehicle. They are typically higher off the ground than standard cars, with more room inside the cabin. 4x4s typically are heavier with poorer handling, but have the capacity to drive off-road and cope with poor weather conditio... | |
What's fun about disc golf? | Disc golf (also known as frisbee golf) is a sport with a similar set of rules to golf but instead played with specially designed discs (aka frisbees) that are thrown. Similar to golf, the discs are designed with different qualities to produce different outcomes. For example, there is a driver for long straight throws a... | |
Where should I fly fish for trout in Washington state? | Some of the popular bodies of water to fish for trout in Washington state are the Yakima River, Naches River, the Middle Fork of the Snoqualmie, and the beaches of the puget sound. You can also find excellent trout fishing in Washington’s high lakes, although not all lakes are able to support a healthy population of tr... | |
How has the video gaming industry evolved over the years ? | Video games have been around for a while now. The industry have evolved massively in the recent 10 years. The industry begun with games that were programmed for the early computers. Then, specific devices like the Playstation from Sony, X-Box from Microsoft started to enter the scene. These helped with growing the numb... | |
How many basketball teams are in NBA? | There are 30 teams in NBA, 15 in east and 15 in west. The most recent expand with the Charlotte Bobcats in 2004. There is rumor that there is a possible NBA expansion to 32 teams around 2025. | |
What is the best swimming form? | It is hard to say what is the best swimming form as everyone's body may be more acclimated to a certain form. One of the most standard forms of swimming that works for most people is the breast stroke. | |
Why do people love the FIFA world cup? | The FIFA world cup is loved by all because it is the one sporting event that brings national communities to rally around a common sport. Futbol (football) or soccer as it is known in the United States has a way to unite and nations and cheer for their favorite national team. It is arguably the one sport that has an e... | |
How do I cast on a knitting project? | Casting on is how to make the first row of stitches. Each method of casting on can look and feel slightly different (such as various levels of stretchiness and flexibility) so most knitters have their preferred cast on method. Many use the long-tail cast on method which can work for many projects. First, measure the l... | |
What is the best smartphone on the market? | The answer to this question depends on multiple parameters, such as: 1.) do you prefer an iOS or an Android phone 2.) do you prefer a small display or a large display 3.) which benchmark parameters are relevant for you. AnTuTu is a well known benchmarking tool for mobile devices. As of their benchmarking in February 20... | |
What type of car should I buy if I live in a city? | When living in the city, it is important to drive a vehicle that is compact enough to fit in small parking spaces and one that has sufficient fuel efficiency to drive for longer periods of time without requiring additional fuel. This is due to the scarcity of gas stations within city limits.
Small to mid-sized sedans ... | |
What is cholesterol and bad cholesterol and why would I want to reduce my levels? | Cholesterol is a waxy, fat-like substance found in the cells in your body. Your liver makes cholesterol and it is also found in some foods like meat and dairy products. Your body needs certain levels of cholesterol to function, but too much raises the risk of cardiovascular disease.
LDL, low-density lipoprotein, is ... | |
Why do humans fall in love? | There are various reasons why humans fall in love: for example, because they see themselves in each other and thus find it easier to manage the relationship in terms of understanding and compatibility; some people feel attracted to those who have similar values to their own and thus the same way of feeling and acting. ... | |
What is the history of the saxophone? | The saxophone was invented by Adolphe Sax, a Belgian instrument designer who was born in 1814 and died in 1894. While the instrument is predominantly made of brass, it is classified as a woodwind instrument due to the fact that it uses a reed as a means by which sound is produced. The saxophone is a transposing instr... | |
How Is Linux Licensed? | Linus has placed the Linux kernel under the GNU General Public License, which basically means that you may freely copy, change, and distribute it, but you may not impose any restrictions on further distribution, and you must make the source code available.
This is not the same as Public Domain. See the Copyright FAQ, ... | |
My daughter's friend is lactose intolerant. What foods should we avoid when we take out to eat with us? | You'll want to look out for anything that contains milk, butter, cream, buttermilk, cheese, or ice cream. This means pizza is off the table (it almost always has cheese), and much Italian cuisine like lasagna or alfredo sauces must be avoided. You also need to be careful about fried foods, because batters often contain... | |
How can I change the type of a column? | Changing a column’s type or dropping a column requires rewriting the table. For an example, see Change column type. | |
What Is Linux? | The name "Linux" is used to refer to three similar yet slightly different things, which can be confusing to all but the hardcore geek. The three usages vary by how much of a complete software system the speaker is talking about.
At the lowest level, every Linux system is based on the Linux kernel — the very low-level ... | |
How hard is it to learn how to ski? | Learning how to ski is moderately hard. Depending on if you learn on your own or hire a professional instructor, you can expect to go skiing at least five to eight times before you feel comfortable on skis. There are also different mountains that offer different terrain which can impact how quickly you pick up skiing. ... | |
What is a hunting dog? | Hunting dogs are usually paired with a human to help in the sport of hunting. They have been used for hundreds of years and are considered to improve the hunters abilities. Hunting dogs are typically pointers or retrievers. There are many breeds, such as German Shorthaired Pointers and labradors just to name a coupl... | |
What type of battery should I get to power my trolling motor? | Traditionally the answer is to utilize a deep cycle marine lead acid battery. These batteries are similar to a car battery but instead of having a high amount of cold cranking amps they have the ability to be run to a lower state of charge without damage. A better solution is to use a LiFePO4 battery. These batterie... | |
when was the first digital electronic calculating machine developed? | The first digital electronic calculating machines were developed during World War II. The first semiconductor transistors in the late 1940s were followed by the silicon-based MOSFET (MOS transistor) and monolithic integrated circuit chip technologies in the late 1950s, leading to the microprocessor and the microcompute... | |
Is the Cordyceps fungus from The Last of US real? | Yes, Cordyceps is a real fungus naturally occurring in nature. However, unlike its portrayal in the The Last of Us videogames and TV show adaptation by HBO it can not infect humans and is in fact often used in medicinal supplements and even eaten as food. The Cordyceps fungus does infect insects in real life, with ants... | |
What are some of the challenges when walking with crutches? | You will probably find it intuitive to use crutches to move around flat areas when you have a leg injury. You may not immediately know how to safely move up and down stairs with crutches, but there are many videos on the Internet that show clear examples of how to do so, with or without a handrail as support. One of th... | |
What is the difference between a Narrow Transformation and Wide Transformation | + Narrow Transformation: In Narrow transformation, all the elements that are required to compute the records in single partition live in the single partition of parent RDD. Ex:- Select, Filter, Union,
+ Wide Transformation: Wide transformation, all the elements that are required to compute the records in the single par... | |
How does a human do arithmetic calculation as fast as a calculator? | Use a tech called Mental abacus. When a person reads the numbers, he or she will mentally visualize an abacus and do the calculation by moving the beads in the abacus. The calculation can be done in a great speed. | |
Who is Harry Potter? | Harry Potter is a series of seven fantasy novels written by British author J. K. Rowling. The novels chronicle the lives of a young wizard, Harry Potter, and his friends Hermione Granger and Ron Weasley, all of whom are students at Hogwarts School of Witchcraft and Wizardry. The main story arc concerns Harry's conflict... | |
Why do people like to live in Minnesota? | Minnesota is a great place to live for a multitude of reasons. While the winter weather can be difficult, the overall high quality of life people from Minnesota have heavily outweighs this perceived negative. Minnesota’s education system is consistently rated of one of the best in the United States. Standardize test... | |
What is splitboarding? | First of all, a splitboard is a snowboard that splits in half length-wise to allow for enhanced mobility while climbing up a slope. When the splitboard is split in half, you adjust the bindings so the setup looks just like a ski setup. After you split the board, you put climbing skins on the bottom of the splitboard to... | |
What are good activities for two year old boys? | Two year old boys tend to be active, curious and social. Enjoyable activities for this age include going to the park, dancing to music, reading a book, and taking a walk around the neighborhood. Local community organizations also commonly plan activities for toddlers at places like libraries, schools and parks. | |
What are the most airplanes to learn how to fly? | The most popular single engine propeller plane in the United States is Cessna 172 model, where it gives pilots the ability to complete visual flight rules (VFR) flying as well as Instrument flight rules (IFR). Cessnas tend to be reliable and safe planes with proper maintenance. | |
When do avalanches occur? | Avalanches are primarily caused by unstable snow conditions. Although a mountainside covered in snow might appear as a uniform surface, it is actually made up of many layers of snow from different storms, each of which might have very different compositions. For example, a "dry" snow from a very cold storm might land d... | |
What is the difference between coalesce and repartition when it comes to shuffle partitions in spark | Coalesce essentially groups multiple partitions into a larger partitions. So use coalesce when you want to reduce the number of partitions (and also tasks) without impacting sort order. Ex:- when you want to write-out a single CSV file output instead of multiple parts
Use repartition when you want to cause a shuffle... | |
How do I apply for a single-entry e-visa to Uzbekistan as a US citizen for tourism? What potential pitfalls do I need to look out for? | US citizens traveling for tourism who are under the age of 16 or over the age of 55, do not need an e-visa to enter Uzbekistan. Those between the ages of 16 and 55, will need to apply for an e-visa at the following website: https://e-visa.gov.uz/main. Applicants will need a US passport valid for at least 90 days from t... | |
What is Hornachuelos? | Hornachuelos is a small, picturesque village in the Southern Region of Spain called Andalusia. It is famous for its ancient history, Roman walls and Natural Park. | |
What makes for a great pizza? | There are many different variations of pizza. Many would say that the crust and sauce are more important than the toppings when considering what makes a pizza great. Toppings (pepperoni, mushroom, sausage, pineapple, etc.) are generally pretty standard, with little variation by source or region, though premium ingredie... | |
Is Linux Unix? | Officially an operating system is not allowed to be called a Unix until it passes the Open Group's certification tests, and supports the necessary API's. Nobody has yet stepped forward to pay the large fees that certification involves, so we're not allowed to call it Unix. Certification really doesn't mean very much an... | |
Why should one travel the world? | As the son of a U.S. Diplomat, I've had the opportunity to live abroad most of my life in countries such as Cambodia, Australia, South Korea and Malaysia. Through my travels despite the sad goodbyes to friends and family, I learned the importance of being open-minded, resilient and open to a diverse network. When you t... | |
Is brazilian jiu jitsu good for self defense? | Brazilian Jiujitsu, or BJJ, is known as the gentle art in martial arts. BJJ can be practiced in two modalities: Sport BJJ and the other as self defense. Sport BJJ is competitive and based on a point system based on a competitor being awarded a number of points based on advancing to a more advantageous position. Altern... | |
What is the English Premier League? | The English Premier League, also known as EPL, is the top professional football league in England consisting of 20 teams. At the end of each 38 game season, the bottom three teams are relegated. The rankings are determined based off a point system where a win is equivalent to 3 points, a tie equivalent to 1 point, and ... | |
How does the Harvard housing system work? | First-Year students live in one of the seventeen dormitories located in and around Harvard Yard. Rooms are assigned based on a brief survey sent to admitted students. The survey asks questions like “How many roommates do you want?”, “How comfortable are you with noise?”, and “What type of music do you listen to?”. Afte... |
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