大约有 35,700 项符合查询结果（耗时：0.0325秒） [XML]
Objective-C: Extract filename from path string
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21
@TwoDumpling NSString *myExtension = [myString pathExtension]
– chown
Sep 25 '11 at 2:25
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Emacs: print key binding for a command or list all key bindings
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Matt CurtisMatt Curtis
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How to get the last N rows of a pandas DataFrame?
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answered Feb 7 '13 at 21:03
Wes McKinneyWes McKinney
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How to add target=“_blank” to JavaScript window.location?
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twinlakestwinlakes
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How to find if directory exists in Python
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answered Jan 19 '12 at 21:07
phihagphihag
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Is there a command for formatting HTML in the Atom editor?
... the topic.
– Ricardo
Dec 29 '15 at 21:00
2
atom-beautify, for example, has 685,927 downloads as ...
Deprecated ManagedQuery() issue
...i.getPath()));.
– Femi
Oct 3 '12 at 21:29
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Extract first item of each sublist
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You could use zip:
>>> lst=[[1,2,3],[11,12,13],[21,22,23]]
>>> zip(*lst)[0]
(1, 11, 21)
Or, Python 3 where zip does not produce a list:
>>> list(zip(*lst))[0]
(1, 11, 21)
Or,
>>> next(zip(*lst))
(1, 11, 21)
Or, (my favorite) use numpy:
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When to use ko.utils.unwrapObservable?
...RP Niemeyer
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Saving grid.arrange() plot to file
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answered Jun 12 '13 at 21:07
baptistebaptiste
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