大约有 36,010 项符合查询结果(耗时:0.0342秒) [XML]
Get program execution time in the shell
... How is this used on a command like time -p i=x; while read line; do x=x; done < /path/to/file.txt? It immediatly returns 0.00 unless I don't put anything before the while loop.. what gives?
– natli
Dec 14 '12 at 21:45
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What is the benefit of using $() instead of backticks in shell scripts?
... not actually work, I haven't tested the functionality. So, if you vote me down for it, you've lost sight of the intent :-) It's meant just as an illustration as to how you can nest, not as a bug-free production-ready snippet.
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How to copy a directory structure but only include certain files (using windows batch files)
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You don't mention if it has to be batch only, but if you can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
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Recent file history in Vim?
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If you want to use 0-9 as marks for navigation,do not mark them manually
– yuan
Feb 1 '13 at 7:22
19
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Switching from zsh to bash on OSX, and back again?
..., I just feel comfortable with the lay out of bash in some situations. How do I switch back and forth, or turn zsh on and off? Thanks!
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jquery data selector
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I've created a new data selector that should enable you to do nested querying and AND conditions. Usage:
$('a:data(category==music,artist.name==Madonna)');
The pattern is:
:data( {namespace} [{operator} {check}] )
"operator" and "check" are optional. So, if you only have :dat...
PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
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How to sort a file, based on its numerical values for a field?
...; numbers, for example filenames of rolling logs then sorting with sort -n doesn't work as expected:
$ ls |sort -n
output.log.1
output.log.10
output.log.11
output.log.12
output.log.13
output.log.14
output.log.15
output.log.16
output.log.17
output.log.18
output.log.19
output.log.2
output.log.20
outp...
How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
...It is, in my opinion, ludicrously slow. No matter what size I make the window, the scrolling is about three pixels per click. I'd like it to be much more than that.
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Why do Lua arrays(tables) start at 1 instead of 0?
I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
