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Coding for kids refers to the opportunities available for children to get involved in coding. These opportunities aim to be fun and gamified to keep kids' young minds engaged. You might also hear coding referred to as "programming," or "computer programming." And while it is difficult to ima...
What is the purpose of quotation marks in coding? Quotation marks are used whenever we need a program to take some characters literally as part of an instruction rather than interpreting them as code elements themselves. For example, if you want your program to execute “echo ‘Hello World’”...
You can simplify the preceding code using the ?. operator: C# Copy customer?.Order = GetCurrentOrder(); The right side of the = operator is evaluated only when the left side isn't null. If customer is null, the code doesn't call GetCurrentOrder. In addition to assignment, you can...
Unit tests are written to verify that the logic of the code behaves correctly in different scenarios, which helps identify bugs early in the development process. Importance of iOS Unit Testing Coding is a very abstract activity if you sit down and think about it. Developing apps is an understa...
I got a call from the recruiter later: So they liked you as a person and think you’re great. But the lead says he’ll pass. He says you haven’t a lot of experience with “hand coding”. He thinks you’re too reliant on WYSIWG programming. ...
How do noise-canceling headphones work? Noise-canceling headphones use active noise control to counteract ambient noise. Utilizing a built-in microphone, noise-canceling headphones measure ambient sound, and then generate a waveform through the ear piece that is the exact negative of this ambient sou...
Color coding is a popular style. Folders are organized purely by aesthetic: reds, blues, and yellows are all grouped together. Not only is it pretty, but it’s pretty useful – as long as you remember the app icon. You let your home screen explode like an artist’s canvas (and you ...
For this one, we wanted to do something a bit more challenging, making a qeb request, fetch google.com's logo and store it. It's not a very hard task but being a developer, you might still need to check the docs for what the APIs are called and how to call t...
Extract.This technique breaks down code into smaller pieces and then moves those pieces to a different method. Fragmented code is replaced with a call to the new method. Refactoring by abstraction.This technique reduces the amount of duplicate code. This is done when there is a large amount of...