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Testing whether a value is odd or even
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Use modulus:
function isEven(n) {
return n % 2 == 0;
}
function isOdd(n) {
return Math.abs(n % 2) == 1;
}
You can check that any value in Javascript can be coerced to a number with:
Number.isFinite(parseFloat(n))
This check should preferably be done outside the isEv...
Git: Discard all changes on a diverged local branch
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answered Mar 1 '10 at 20:03
mipadimipadi
344k7777 gold badges492492 silver badges464464 bronze badges
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How to randomize (shuffle) a JavaScript array?
..., randomIndex;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = array[curr...
Compiler error: memset was not declared in this scope
I am trying to compile my C program in Ubuntu 9.10 (gcc 4.4.1).
2 Answers
2
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recursively add file extension to all files
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edited Jul 10 '09 at 9:24
answered Jul 10 '09 at 9:14
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Argparse optional positional arguments?
...tion='store_true')
_StoreTrueAction(option_strings=['-v'], dest='v', nargs=0, const=True, default=False, type=None, choices=None, help=None, metavar=None)
>>> parser.add_argument('dir', nargs='?', default=os.getcwd())
_StoreAction(option_strings=[], dest='dir', nargs='?', const=None, defaul...
How can I get the font size and font name of a UILabel?
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edited Jun 1 '14 at 20:46
answered Feb 1 '11 at 19:04
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list_display - boolean icons for methods
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edited Aug 17 '16 at 15:01
maciek
2,44022 gold badges2020 silver badges2626 bronze badges
answered Nov...
What does $$ mean in the shell?
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103
In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename...
jQuery ui dialog change title after load-callback
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Trying Tobemyself
3,56033 gold badges2424 silver badges4242 bronze badges
answered Jan 31 '10 at 13:14
Nick Craver♦Nick C...