大约有 47,000 项符合查询结果(耗时:0.1082秒) [XML]

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What is the meaning of the term arena in relation to memory?

... For example: char * arena = malloc(HUGE_NUMBER); unsigned int current = 0; void * my_malloc(size_t n) { current += n; return arena + current - n; } The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...
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How to update Python?

I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version. ...
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Why am I merging “remote-tracking branch 'origin/develop' into develop”?

... 208 git pull is probably creating the commit. If you make a local commit and then run git pull aft...
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Mismatch Detected for 'RuntimeLibrary'

...oaded and extracted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path ...
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Get screen width and height in Android

... 1042 Using this code, you can get the runtime display's width & height: DisplayMetrics display...
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Check if string begins with something? [duplicate]

... Use stringObject.substring if (pathname.substring(0, 6) == "/sub/1") { // ... } share | improve this answer | follow | ...
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Passing an integer by reference in Python

... 106 It doesn't quite work that way in Python. Python passes references to objects. Inside your func...
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Which is faster: Stack allocation or Heap allocation

... 501 Stack allocation is much faster since all it really does is move the stack pointer. Using memo...
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Regex empty string or email

... | edited Feb 21 '11 at 9:08 answered Feb 21 '11 at 9:02 Da...
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MySQL vs MongoDB 1000 reads

...ve been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'. ...