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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
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That ~~ is a double NOT bitwise operator.
It is used as a faster substitute for Math.floor().
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How do I close all open tabs at once?
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Shortest/simplest/fastest way would be:
:qa
To save work in all tabs and quit:
:wqa
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Alternative to itoa() for converting integer to string C++? [duplicate]
I was wondering if there was an alternative to itoa() for converting an integer to a string because when I run it in visual Studio I get warnings, and when I try to build my program under Linux, I get a compilation error.
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How do you get a list of the names of all files present in a directory in Node.js?
I'm trying to get a list of the names of all the files present in a directory using Node.js. I want output that is an array of filenames. How can I do this?
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Contains case insensitive
...against dynamic patterns):
if (!/Ral/i.test(referrer)) {
// ^i = Ignore case flag for RegExp
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What is the status of JSR 305?
... 2017, JSR 305 (new annotations) continues to carry official status of “Dormant”. A question about it's status in the google group has been unanswered since 2010.
There is a reference implementation of the JSR-305 annotations here which is used by many projects, including guava. With maven ...
Automatic post-registration user authentication
...omatically logged in with those credentials, instead of being immediately forced to provide their credentials again.
9 Answ...
Only detect click event on pseudo-element
...ht after the opening <p> tag, apply styles to p span instead of p:before, and bind to it.
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What is the best way to dump entire objects to a log in C#?
So for viewing a current object's state at runtime, I really like what the Visual Studio Immediate window gives me. Just doing a simple
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Can someone explain the traverse function in Haskell?
...tion.
data Tree a = Empty | Leaf a | Node (Tree a) a (Tree a)
The Functor instance of Tree would be:
instance Functor Tree where
fmap f Empty = Empty
fmap f (Leaf x) = Leaf (f x)
fmap f (Node l k r) = Node (fmap f l) (f k) (fmap f r)
It rebuilds the entire tree, applying f to...