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cancelling queued performSelector:afterDelay calls
...lector
[self performSelector:@selector(mySel:) withObject:nil afterDelay:5.0];
// cancel the above call (and any others on self)
[NSObject cancelPreviousPerformRequestsWithTarget:self];
See apple docs, it's right at the end of the performSelector:withObject:afterDelay: description.
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What does $1 [QSA,L] mean in my .htaccess file?
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edited Nov 10 '18 at 5:39
SherylHohman
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Remove not alphanumeric characters from string
...ut string:
input.replace(/\W/g, '')
Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also remove underscores use e.g.:
input.replace(/[^0-9a-z]/gi, '')
The input is malformed
Since the test string contains various escaped chars, which are not alphanum...
How to sort strings in JavaScript
...em2.attr)
return -1;
if ( item1.attr > item2.attr)
return 1;
return 0;
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Rails nested form with has_many :through, how to edit attributes of join model?
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90
Figured out the answer. The trick was:
@topic.linkers.build.build_article
That builds the lin...
How to iterate over the keys and values in an object in CoffeeScript?
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edited Jun 4 '14 at 8:40
penmark
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answered Jun 20 '11 at 8:53
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Select between two dates with Django
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suhailvs
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answered Oct 18 '10 at 20:46
Daniel RosemanDaniel Roseman
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Why does `a == b or c or d` always evaluate to True?
...ame == "Kevin" or name == "Jon" or name == "Inbar"', setup="name='Inbar'")
0.4247764749999945
>>> timeit.timeit('name in {"Kevin", "Jon", "Inbar"}', setup="name='Inbar'")
0.18493307199999265
For those who may want proof that if a == b or c or d or e: ... is indeed parsed like this. The bu...
How to run multiple DOS commands in parallel?
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Bali CBali C
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16
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Difference between float and double in php?
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answered Jul 19 '10 at 12:14
MacmadeMacmade
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