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What does the “===” operator do in Ruby? [duplicate]
I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works?
3 Answers
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What does “yield break;” do in C#?
I have seen this syntax in MSDN: yield break , but I don't know what it does. Does anyone know?
10 Answers
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What does git push origin HEAD mean?
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@MaciejD git push origin without specifying a branch name doesn't work. either you add a branch name or you say HEAD, meaning the current branch you're in
– Schwarzie2478
Dec 16 '19 at 16:34
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Creating range in JavaScript - strange syntax
...nts
How the Number function handles arguments
What Function.prototype.call does
They're rather advanced topics in javascript, so this will be more-than-rather long. We'll start from the top. Buckle up!
1. Why not just Array(5).map?
What's an array, really? A regular object, containing integer ke...
How does Trello access the user's clipboard?
...hen we hide the textarea when the Ctrl key comes up)
Specifically, Trello does this:
TrelloClipboard = new class
constructor: ->
@value = ""
$(document).keydown (e) =>
# Only do this if there's something to be put on the clipboard, and it
# looks like they're starting ...
What does [ N … M ] mean in C aggregate initializers?
... };
It is not portable. Compiling with -pedantic with tell you so.
How does it work here?
The preprocessor replaces #include <asm/unistd.h> with its actual contents(it defines miscellaneous symbolic constants and types, and declares miscellaneous functions) in the range based construct, wh...
What does (x ^ 0x1) != 0 mean?
...not equivalent. The code can be C++ (and in C++, ^ can be an operator that does anything). So you don't know the context, @Spook is right.
– xryl669
Dec 19 '13 at 18:33
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Regex - Does not contain certain Characters
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What does the first caret mean? Would this mean not anything that does not contain those characters... thus meaning only strings that do contain those characters?
– RobKohr
Jan 3 '15 at 16:45...
What does #defining WIN32_LEAN_AND_MEAN exclude exactly?
...de Windows.h)", but WIN32_LEAN_AND_MEAN excludes commdlg.h from Windows.h. Does that mean we should include commdlg.h even though the documentation says "nclude Windows.h"?
– Ayxan Haqverdili
Aug 26 at 4:10
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Can you explain the HttpURLConnection connection process?
...e read timeout expires before data is available for read.
getInputStream does the opposite. Like getOutputStream, it also opens a connection stream, but the intent is to read data from the server, not write to it. If the connection or stream-opening fails, you'll see a SocketTimeoutException.
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