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In the following piece of code (taken from the Groovy Semantics Manual page), why prefix the assignment with the keyword def? def x ...

I’ve seen default used next to function declarations in a class. What does it do? class C { C(const C&) = default; C(C&&) ...

One use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var? 15 Answers 15

I heard about a “yield” keyword in JavaScript, but I found very poor documentation about it. Can someone explain me (or recommend a ...

I’m confused about this. Most of us have been told that there isn’t any goto statement in Java. But I found that it ...

I have a a dictionary mapping keywords to the repetition of the keyword, but I only want a list of distinct words so ...

What does the register keyword do in C language? I have read that it is used for optimizing but is not clearly defined ...

This question already has answers here: Manually raising (throwing) an exception in Python (12 answers) Closed 3 years ago. I have read the ...

I saw this keyword for the first time and I was wondering if someone could explain to me what it does. What is ...

This is a silly question, but you can use this code to check if something is a particular type… if (child is IContainer) ...