大约有 39,770 项符合查询结果（耗时：0.0749秒） [XML]
What is the difference between .*? and .* regular expressions?
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edited Nov 21 '16 at 7:43
Wiktor Stribiżew
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How to search for occurrences of more than one space between words in a line
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answered Sep 21 '10 at 9:16
AlexanderMPAlexanderMP
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How do you calculate log base 2 in Java for integers?
...int log = 0;
if( ( bits & 0xffff0000 ) != 0 ) { bits >>>= 16; log = 16; }
if( bits >= 256 ) { bits >>>= 8; log += 8; }
if( bits >= 16 ) { bits >>>= 4; log += 4; }
if( bits >= 4 ) { bits >>>= 2; log += 2; }
return log + ( bits &g...
str performance in python
...()
0.25641703605651855
>>> Timer('"%s" % x', 'x=100').timeit()
0.2169809341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambd...
How to scroll to top of page with JavaScript/jQuery?
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– Niet the Dark Absol
Mar 13 '13 at 16:51
To make this work on my IE/Chrome/FF cross-browsers, I must combine Niet Dar...
How to check if an object is an array?
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edited Nov 20 '14 at 21:16
answered Jan 6 '14 at 18:11
Fe...
Inserting image into IPython notebook markdown
...tion](files/image.png)?
– kynan
Mar 16 '13 at 0:09
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@minrk : it doesn't work for me. I put "<...
jQuery 1.9 .live() is not a function
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answered Jan 16 '13 at 8:30
Samuel Liew♦Samuel Liew
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Very simple log4j2 XML configuration file using Console and File appender
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edited Jan 18 '14 at 16:59
answered Jan 18 '14 at 16:53
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Do you put unit tests in same project or another project?
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Jason JacksonJason Jackson
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