大约有 1,401 项符合查询结果(耗时:0.0259秒) [XML]

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Why is the .bss segment required?

... 81 The .bss segment is an optimization. The entire .bss segment is described by a single number, ...
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Why is exception handling bad?

... 81 Exceptions make it really easy to write code where an exception being thrown will break invaria...
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multiprocessing.Pool: When to use apply, apply_async or map?

...with_callback() may yield a result such as [1, 0, 4, 9, 25, 16, 49, 36, 81, 64] Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made. So, if you need to run a function in a separate process, but want the current proce...
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Why does changing 0.1f to 0 slow down performance by 10x?

...2.6}; const float z[16]={1.123,1.234,1.345,156.467,1.578,1.689,1.790,1.812,1.923,2.034,2.145,2.256,2.367,2.478,2.589,2.690}; float y[16]; for(int i=0;i<16;i++) { y[i]=x[i]; } for(int j=0;j<9000000;j++) { for(int i=0;i<16;i++) { ...
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How to make shallow git submodules?

...me>.shallow true. See the end of this answer) See commit 275cd184d52b5b81cb89e4ec33e540fb2ae61c1f: Add the --depth option to the add and update commands of "git submodule", which is then passed on to the clone command. This is useful when the submodule(s) are huge and you're not really inter...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

... Dev Null 3,81811 gold badge1616 silver badges3737 bronze badges answered Apr 2 '12 at 17:23 David StoneDavid Sto...
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What is the best collation to use for MySQL with PHP? [closed]

... Overflowh 1,02266 gold badges1818 silver badges3636 bronze badges answered Dec 15 '08 at 7:58 Eran GalperinEran Galperin ...
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Explain how finding cycle start node in cycle linked list work?

... 81 This is Floyd's algorithm for cycle detection. You are asking about the second phase of the al...
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Switch statement fallthrough in C#?

... 81 Damn - I've been programming with C# since the early days of 1.0, and I've never seen this until now. Just goes to show, you learn new thin...
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How do I style a dropdown with only CSS?

...and Safari on Mac. How about other browsers? – Tintin81 Jan 27 '17 at 11:22 2 Works for me in fir...