大约有 900 项符合查询结果(耗时:0.0149秒) [XML]

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Javascript Shorthand for getElementById

..., in my benchmark it's about three times as slow as a regular function. 0.4µs * 3 = 1.2µs – Robert Jun 20 '11 at 15:58  |  show 3 more comme...
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How do I enable MSDTC on SQL Server?

...wered Aug 11 '08 at 12:04 Lars MæhlumLars Mæhlum 5,86633 gold badges2424 silver badges3232 bronze badges ...
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Extracting extension from filename in Python

Is there a function to extract the extension from a filename? 24 Answers 24 ...
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How can I remove non-ASCII characters but leave periods and spaces using Python?

...ignore all symbols that are not supported. For example, the Swedish letter å is not an ASCII character: >>>s = u'Good bye in Swedish is Hej d\xe5' >>>s = s.encode('ascii',errors='ignore') >>>print s Good bye in Swedish is Hej d Edit: Python3: str ->...
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Sum a list of numbers in Python

... sum(i for i in a) is just redundant. – Jean-François Fabre♦ Apr 18 '18 at 13:37 7 sum(Dec...
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When should I create a destructor?

...ed Feb 4 '11 at 13:58 Øyvind BråthenØyvind Bråthen 52.2k2525 gold badges113113 silver badges138138 bronze badges ...
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Pickle or json?

... answered Feb 13 '10 at 22:22 Håvard SHåvard S 20.4k55 gold badges5555 silver badges6767 bronze badges ...
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Java 8 Streams: multiple filters vs. complex condition

...le filter but that’s only relevant for rather computational intense tasks¹. So there is no simple answer. The bottom line is, don’t think about such performance differences below the odor detection threshold. Use what is more readable. ¹…and would require an implementation doing paralle...
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Convert a Python list with strings all to lowercase or uppercase

...3, map wins the race, but does nothing :) – Jean-François Fabre♦ Mar 7 '18 at 19:22 @NedDeily map(str.lower,["A","B...
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CSS '>' selector; what is it? [duplicate]

...ered Dec 16 '10 at 10:44 David MårtenssonDavid Mårtensson 7,10044 gold badges2727 silver badges4646 bronze badges ...