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How does Java handle integer underflows and overflows and how would you check for it?
How does Java handle integer underflows and overflows?
12 Answers
12
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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's the best way to check if a file exists in C?
...f( access( fname, F_OK ) != -1 ) {
// file exists
} else {
// file doesn't exist
}
You can also use R_OK, W_OK, and X_OK in place of F_OK to check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR any of them together (i.e. c...
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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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...
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 ...
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...
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...