大约有 16,380 项符合查询结果(耗时:0.0321秒) [XML]

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Array include any value from another array?

What's the most efficient way to test if an array contains any element from a second array? 5 Answers ...
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How to pip install a package with min and max version range?

I'm wondering if there's any way to tell pip, specifically in a requirements file, to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ). ...
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json_encode sparse PHP array as JSON array, not JSON object

...uential - it has keys 0 and 2, but doesn't have 1 as a key. Just having numeric indexes isn't enough. json_encode will only encode your PHP array as a JSON array if your PHP array is sequential - that is, if its keys are 0, 1, 2, 3, ... You can reindex your array sequentially using the array_value...
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Swift Programming: getter/setter in stored property

... Ok. Reading through Apples documentation on Swift I found this: If you assign a value to a property within its own didSet observer, the new value that you assign will replace the one that was just set. So all you have to do is this: var rank: Int ...
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Creating stored procedure and SQLite?

Is it somehow possible to create a stored procedure, when using SQLite? 4 Answers 4 ...
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What is the difference between lock and Mutex?

What is the difference between lock and Mutex? Why can't they be used interchangeably? 7 Answers ...
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How to sort with lambda in Python

In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is: 4 Answers ...
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bool to int conversion

... int x = 4<5; Completely portable. Standard conformant. bool to int conversion is implicit! §4.7/4 from the C++ Standard says (Integral Conversion) If the source type is bool, the value false is converted to zero and the value true i...
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fatal: Not a valid object name: 'master'

... When I git init a folder it doesn't create a master branch This is true, and expected behaviour. Git will not create a master branch until you commit something. When I do git --bare init it creates the files. A non-bare git init will also create the same files, ...
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master

...gerrit and I want to know why we need to do git push gerrit HEAD:refs/for/master instead of doing git push origin master ...