大约有 43,700 项符合查询结果(耗时:0.0407秒) [XML]

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Javascript and regex: split string and keep the separator

... answered Aug 17 '12 at 8:01 JonJon 383k6868 gold badges674674 silver badges755755 bronze badges ...
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Call apply-like function on each row of dataframe with multiple arguments from each row

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How to find where gem files are installed

...t about your gem environment: RubyGems Environment: - RUBYGEMS VERSION: 2.1.5 - RUBY VERSION: 2.0.0 (2013-06-27 patchlevel 247) [x86_64-darwin12.4.0] - INSTALLATION DIRECTORY: /Users/ttm/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0 - RUBY EXECUTABLE: /Users/ttm/.rbenv/versions/2.0.0-p247/...
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C++ preprocessor __VA_ARGS__ number of arguments

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What ReSharper 4+ live templates for C# do you use? [closed]

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Is it possible to use 'else' in a list comprehension? [duplicate]

... c. It can be used in comprehension statements: >>> [a if a else 2 for a in [0,1,0,3]] [2, 1, 2, 3] So for your example, table = ''.join(chr(index) if index in ords_to_keep else replace_with for index in xrange(15)) ...
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What is the difference between String.slice and String.substring?

... 882 slice() works like substring() with a few different behaviors. Syntax: string.slice(start, stop...
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How do I replace NA values with zeros in an R dataframe?

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Two versions of python on linux. how to make 2.7 the default

...ed by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it? On top of that, monkeying with /usr/bin can break your package manager's ability to manage packages. And changing the order of directories in your PATH will affect a lot of oth...
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Virtualbox “port forward” from Guest to Host [closed]

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