大约有 16,000 项符合查询结果(耗时:0.0166秒) [XML]

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'this' vs $scope in AngularJS controllers

...on is called, this is the controller. When a function defined on a $scope object is called, this is the "scope in effect when the function was called". This may (or may not!) be the $scope that the function is defined on. So, inside the function, this and $scope may not be the same. $scope Ever...
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Make xargs handle filenames that contain spaces

... command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this? ...
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Is C++ context-free or context-sensitive?

... Below is my (current) favorite demonstration of why parsing C++ is (probably) Turing-complete, since it shows a program which is syntactically correct if and only if a given integer is prime. So I assert that C++ is neither ...
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Regex for quoted string with escaping quotes

How do I get the substring " It's big \"problem " using a regular expression? 16 Answers ...
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What does the regular expression /_/g mean?

... The regex matches the _ character. The g means Global, and causes the replace call to replace all matches, not just the first one. share | ...
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Calling C++ class methods via a function pointer

How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write: ...
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Convert data.frame column format from character to factor

... would like to change the format (class) of some columns of my data.frame object ( mydf ) from charactor to factor . 6 A...
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Rotated elements in CSS that affect their parent's height correctly

... Assuming that you want to rotate 90 degrees, this is possible, even for non-text elements - but like many interesting things in CSS, it requires a little cunning. My solution also technically invokes undefined behaviour according to the CSS 2 spec - so while I've tested and confirme...
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form serialize javascript (no framework)

... The miniature from-serialize library doesn't rely on a framework. Other than something like that, you'll need to implement the serialization function yourself. (though at a weight of 1.2 kilobytes, why not use it?) ...
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What is a monad?

Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is? ...