大约有 39,000 项符合查询结果（耗时：0.0624秒） [XML]
How to get Erlang's release version number from a shell?
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154
erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell
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Is there an alternative sleep function in C to milliseconds?
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answered Jul 21 '09 at 3:52
cafcaf
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PHP: How to send HTTP response code?
... with HTTP response codes (status-codes), like HTTP 200 OK, or some 4XX or 5XX code.
9 Answers
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How to perform a mysqldump without a password prompt?
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answered Feb 15 '12 at 12:08
FranklineFrankline
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iPhone UIView Animation Best Practice
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[UIView transitionWithView:mysuperview
duration:0.75
options:UIViewAnimationTransitionFlipFromRight
animations:^{
[myview removeFromSuperview];
}
completion:nil];
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Table row and column number in jQuery
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answered Apr 25 '09 at 5:31
Christian C. SalvadóChristian C. Salvadó
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When should I use jQuery's document.ready function?
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answered Oct 25 '12 at 5:46
JashwantJashwant
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How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum ...
Remove unwanted parts from strings in a column
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eumiroeumiro
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