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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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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...
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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How to list all installed packages and their versions in Python?
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Ashwini ChaudharyAshwini Chaudhary
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What's the dSYM and how to use it? (iOS SDK)
... example, decode a stack-trace into readable format. It is a Bundle(e.g F49088168M.app.dSYM) with the next structure:
For example a crash log looks like:
//before
0 libswiftCore.dylib 0x000000018f3c9380 0x18f394000 + 217984
1 libswiftCore.dylib 0x000000018f3c9380 0x18f...
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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@Media min-width & max-width
... /* default styles here for older browsers.
I tend to go for a 600px - 960px width max but using percentages
*/
@media only screen and (min-width: 960px) {
/* styles for browsers larger than 960px; */
}
@media only screen and (min-width: 1440px) {
/* styles...
Difference between float and double in php?
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answered Jul 19 '10 at 12:14
MacmadeMacmade
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Unix shell script to truncate a large file
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– Chris Suszyński
Jul 8 '14 at 13:50
2
As @AaronToponce poined out, "$ > file" is indeed not ...
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...