大约有 48,000 项符合查询结果(耗时:0.0302秒) [XML]

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Is cout synchronized/thread-safe?

... @ildjarn - No, @edA-qa mort-ora-y is correct. As long as cout.sync_with_stdio() is true, using cout to output characters from multiple threads without additional synchronization is well-defined, but only on the level of individual bytes. Thus, cout << "ab"; and cout << "cd" exec...
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How to find memory leak in a C++ code/project?

.... The most common and most easy way to detect is, define a macro say, DEBUG_NEW and use it, along with predefined macros like __FILE__ and __LINE__ to locate the memory leak in your code. These predefined macros tell you the file and line number of memory leaks. DEBUG_NEW is just a MACRO which is u...
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How to check iOS version?

... /* * System Versioning Preprocessor Macros */ #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
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How to enable C++11/C++0x support in Eclipse CDT?

...t; Paths and Symbols -> Symbols -> GNU C++. Click "Add..." and paste __GXX_EXPERIMENTAL_CXX0X__ (ensure to append and prepend two underscores) into "Name" and leave "Value" blank. Hit Apply, do whatever it asks you to do, then hit OK. There is a description of this in the Eclipse FAQ now as ...
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mysql_config not found when installing mysqldb python interface

...but it is not mysql itself. And apparently mySQLdb needs the command 'mysql_config', so you need to install that first. Can you confirm that you did or did not install mysql itself, by running "mysql" from the shell? That should give you a response other than "mysql: command not found". Which lin...
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Assign a variable inside a Block to a variable outside a Block

... You need to use this line of code to resolve your problem: __block Person *aPerson = nil; For more details, please refer to this tutorial: Blocks and Variables share | improve this...
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How to remove k__BackingField from json when Deserialize

I am getting the k_BackingField in my returned json after serializing a xml file to a .net c# object. 13 Answers ...
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How to automatically generate N “distinct” colors?

...uration [0, 100), lightness [0, 100) for(i = 0; i < 360; i += 360 / num_colors) { HSLColor c; c.hue = i; c.saturation = 90 + randf() * 10; c.lightness = 50 + randf() * 10; addColor(c); } share ...
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How to set selected value of jquery select2?

...d" value of a Select2 component: $('#inputID').select2('data', {id: 100, a_key: 'Lorem Ipsum'}); Where the second parameter is an object with expected values. UPDATE: This does work, just wanted to note that in the new select2, "a_key" is "text" in a standard select2 object. so: {id: 100, text:...
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Is there an online name demangler for C++? [closed]

... This one worked for me, but not the one in the more popular answer: _ZN9cdnalizer11rewriteHTMLINS_6apache8IteratorEcEET_RKSsRKNS_6ConfigES3_S3_St8functionIFS3_RKS3_SB_EES9_IFvSsEE – matiu Dec 28 '13 at 6:52 ...