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How do Python's any and all functions work?
...y know the result. The advantage is, entire iterable need not be consumed. For example,
>>> multiples_of_6 = (not (i % 6) for i in range(1, 10))
>>> any(multiples_of_6)
True
>>> list(multiples_of_6)
[False, False, False]
Here, (not (i % 6) for i in range(1, 10)) is a ge...
Code Golf - π day
Guidelines for code-golf on SO
26 Answers
26
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
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Thanks for the pointer, but sudo apt-get install gcc-multilib g++-multilib seems better (it resolves to your gcc version automatically).
– leesei
Nov 25 '14 at 7:36
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
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Didn't work for me. Completion block is called while the animation is still running.
– mrvincenzo
Feb 19 '13 at 12:56
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Calculating arithmetic mean (one type of average) in Python
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See the question above: To avoid division by zero ( for [] )
– Simon Fakir
Jul 27 '17 at 11:05
6
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In Django, how does one filter a QuerySet with dynamic field lookups?
...nt expansion may be used to solve this problem:
kwargs = {
'{0}__{1}'.format('name', 'startswith'): 'A',
'{0}__{1}'.format('name', 'endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very common and useful Python idiom.
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append to url and refresh page
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For a case where you know this will be the only parameter, you can also set search instead of appending to it: window.location.search = '?param=42';
– Dave DuPlantis
Sep 2 '15 at 17:12
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Extract file name from path, no matter what the os/path format
... extract filenames from paths, no matter what the operating system or path format could be?
17 Answers
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
... to [Void], but that may not be as understandable when glancing at code or for new users.
I guess I slightly prefer redirecting output to $null.
Do-Something > $null
Edit
After stej's comment again, I decided to do some more tests with pipelines to better isolate the overhead of trashing the...
How to get the anchor from the URL using jQuery?
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For current window, you can use this:
var hash = window.location.hash.substr(1);
To get the hash value of the main window, use this:
var hash = window.top.location.hash.substr(1);
If you have a string with an URL/hash, ...