大约有 40,000 项符合查询结果(耗时:0.0309秒) [XML]

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How can I tell gcc not to inline a function?

Say I have this small function in a source file 8 Answers 8 ...
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std::vector performance regression when enabling C++11

I have found an interesting performance regression in a small C++ snippet, when I enable C++11: 1 Answer ...
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Django filter queryset __in for *every* item in list

... Summary: One option is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories. There is the aggregation approach. This query would be shorter and...
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Why aren't python nested functions called closures?

...s in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
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Is it valid to replace http:// with // in a ?

... we test our sites in Firefox, Safari, IE6, IE7 and Opera. These browsers all understand that URL format. share | improve this answer | follow | ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

...answered Dec 4 '13 at 19:36 Dan AllanDan Allan 27.4k66 gold badges6060 silver badges6060 bronze badges ...
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Python - Create a list with initial capacity

...bject %d" % ( i, ) result.append(message) return result def doAllocate( size=10000 ): result=size*[None] for i in range(size): message= "some unique object %d" % ( i, ) result[i]= message return result Results. (evaluate each function 144 times and average ...
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Add a prefix to all Flask routes

...tant to the route at every definition. Is there a way to do this automatically? 10 Answers ...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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Abstract methods in Python [duplicate]

...what a metaclass is, don't worry about it. :-) – kindall Dec 8 '10 at 0:15 1 The linked tutorial ...