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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
I'm seeing this in some code, and I have no idea what it does:
4 Answers
4
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Why doesn't RecyclerView have onItemClickListener()?
...yclerView and I was surprised to see that RecyclerView does not have onItemClickListener() .
32 Answers
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Why JavaScript rather than a standard browser virtual machine?
Would it not make sense to support a set of languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only?
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How to fix “Headers already sent” error in PHP
...generate_id
setcookie / setrawcookie
Output can be:
Unintentional:
Whitespace before <?php or after ?>
The UTF-8 Byte Order Mark specifically
Previous error messages or notices
Intentional:
print, echo and other functions producing output
Raw <html> sections prior <?php ...
Does Typescript support the ?. operator? (And, what's it called?)
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Update: it is supported as of TypeScript 3.7 and called Optional chaining: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScrip...
What does it mean by select 1 from table?
I have seen many queries with something as follows.
15 Answers
15
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What does the 'static' keyword do in a class?
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static members belong to the class instead of a specific instance.
It means that only one instance of a static field exists[1] even if you create a million instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specif...
Why we should not use protected static in java
...n Is there a way to override class variables in Java?
The first comment with 36 upvotes was:
8 Answers
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When should I really use noexcept?
...ny function signatures, but I am unsure as to when I should consider using it in practice. Based on what I have read so far, the last-minute addition of noexcept seems to address some important issues that arise when move constructors throw. However, I am still unable to provide satisfactory answe...
Why not to deploy on a Friday? [closed]
Joel mentioned in StackOverflow podcast #24 that it's FogCreek company policy to not ship software on Fridays. However, he didn't elaborate as to why.
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