大约有 47,000 项符合查询结果(耗时:0.0421秒) [XML]

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How to install a specific version of a ruby gem?

... 1182 Use the -v flag: $ gem install fog -v 1.8 ...
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Convert a matrix to a 1 dimensional array

I have a matrix (32X48). 10 Answers 10 ...
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Regexp Java for password validation

... 318 Try this: ^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$ Explanation: ...
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Why is GHC so large/big?

... 188 It's a bit silly really. Every library that comes with GHC is provided in no less than 4 flavo...
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Listing only directories using ls in Bash?

... Gordon DavissonGordon Davisson 88.4k1414 gold badges9595 silver badges116116 bronze badges ...
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Is it possible to cast a Stream in Java 8?

Is it possible to cast a stream in Java 8? Say I have a list of objects, I can do something like this to filter out all the additional objects: ...
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How do CUDA blocks/warps/threads map onto CUDA cores?

...r can issue an instruction. See reference 2 for differences between a GTX480 and GTX560. If you read the reference material (few minutes) I think you will find that your goal does not make sense. I'll try to respond to your points. 1'. If you launch kernel<<<8, 48>>> you will ge...
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What is the difference between square brackets and parentheses in a regex?

... These regexes are equivalent (for matching purposes): /^(7|8|9)\d{9}$/ /^[789]\d{9}$/ /^[7-9]\d{9}$/ The explanation: (a|b|c) is a regex "OR" and means "a or b or c", although the presence of brackets, necessary for the OR, also captures the digit. To be strictly equivalent, you...
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How to tell if a file is git tracked (by shell exit code)?

... 8 Answers 8 Active ...
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Suppress echo of command invocation in makefile?

... | edited Apr 1 '12 at 18:45 answered Apr 1 '12 at 18:38 ...