大约有 45,000 项符合查询结果（耗时：0.0561秒） [XML]
Regex how to match an optional character
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Use
[A-Z]?
to make the letter optional. {1} is redundant. (Of course you could also write [...
Algorithm to detect corners of paper sheet in photo
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I'm Martin's friend who was working on this earlier this year. This was my first ever coding pr...
How to ignore xargs commands if stdin input is empty?
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322
For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
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Tool to Unminify / Decompress JavaScript [closed]
...ly formats the code, it doesn't change variable names, nor uncompress base62 encoding.
edit: in fact it can unpack "packed" scripts (packed with Dean Edward's packer : http://dean.edwards.name/packer/)
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do you have kcachegrind like profiling tools for mac [closed]
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answered Mar 8 '13 at 21:47
mr-skmr-sk
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How to get VM arguments from inside of Java application?
... Askin Geeks
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answered Oct 7 '09 at 14:32
David SchulerDavid Schuler
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How to create PDFs in an Android app? [closed]
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edited Apr 8 '15 at 18:42
Rubens Mariuzzo
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I lost my .keystore file?
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edited Jul 8 '16 at 20:56
DJ.
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answered Dec 1 '10 at 8:18
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Master-master vs master-slave database architecture?
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Extracting the last n characters from a string in R
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I'm not aware of anything in base R, but it's straight-forward to make a function to do this u...