大约有 45,000 项符合查询结果(耗时:0.0658秒) [XML]

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Does Haskell require a garbage collector?

... to detect that x2 can safely be deallocated when f returns (rather than waiting for the garbage collector to deallocate x2). Essentially, we are asking that the compiler perform escape analysis to convert allocations in to garbage-collected heap to allocations on the stack wherever possible. This...
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Default implementation for Object.GetHashCode()

How does the default implementation for GetHashCode() work? And does it handle structures, classes, arrays, etc. efficiently and well enough? ...
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How to check that an object is empty in PHP?

... You can cast to an array and then check if it is empty or not $arr = (array)$obj; if (!$arr) { // do stuff } share | improve this answer | ...
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How to tell whether a point is to the right or left side of a line

...f the determinant of vectors (AB,AM), where M(X,Y) is the query point: position = sign((Bx - Ax) * (Y - Ay) - (By - Ay) * (X - Ax)) It is 0 on the line, and +1 on one side, -1 on the other side. share | ...
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Why would I make() or new()?

...nce between new() and make() , but in practice, you can create objects within local scope and return them. 7 Answers ...
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Should I use PATCH or PUT in my REST API?

I want to design my rest endpoint with the appropriate method for the following scenario. 6 Answers ...
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Quick and easy file dialog in Python?

I have a simple script which parses a file and loads it's contents to a database. I don't need a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to pre...
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How can I unit test a GUI?

...verall code coverage is lower than I'd like. Are there any guidelines on unit-testing GUI code? Does it even make sense? 14...
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What does it mean if a Python object is “subscriptable” or not?

... It basically means that the object implements the __getitem__() method. In other words, it describes objects that are "containers", meaning they contain other objects. This includes strings, lists, tuples, and dictionaries. ...
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What's the difference between URI.escape and CGI.escape?

...follow | edited Oct 24 '12 at 17:07 answered May 14 '10 at 5:27 ...