大约有 35,460 项符合查询结果（耗时：0.0480秒） [XML]
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...
See what has been installed via MacPorts
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edited Jul 30 '17 at 20:48
nbro
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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edited Oct 15 '16 at 10:43
Arslan Ali
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answer...
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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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...
What is the best way to tell if a character is a letter or number in Java without using regexes?
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answered Oct 28 '10 at 23:06
AdamAdam
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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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@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...
How to list all installed packages and their versions in Python?
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Ashwini ChaudharyAshwini Chaudhary
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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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