大约有 46,000 项符合查询结果(耗时:0.0357秒) [XML]

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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

...ed(__WIN32__) || defined(__NT__) //define something for Windows (32-bit and 64-bit, this part is common) #ifdef _WIN64 //define something for Windows (64-bit only) #else //define something for Windows (32-bit only) #endif #elif __APPLE__ #include <TargetConditionals.h&...
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Clear MySQL query cache without restarting server

...not clear it for me. Also, MySQL server restart does not help. An explicit SELECT SQL_NO_CACHE does the trick, but not RESET QUERY CACHE. sync && echo 3 | sudo tee /proc/sys/vm/drop_caches from the other answer didn't help, too. – Jānis Elmeris Aug 24 ...
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MyISAM versus InnoDB [closed]

... ---------------------------------------------------------------- Frequent select queries Yes ---------------------------------------------------------------- Frequent insert, update, delete Yes ------------------------------------------------...
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QLabel: set color of text and background

...nd-color :"+colcode+" ; color : blue; }"); getColor() method returns the selected color. You can change label color using stylesheet share | improve this answer | follow ...
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Does ARC support dispatch queues?

...sign, or retain attributes. It also means that if you refer to your queue from a block, the block will retain the queue automatically. So if your deployment target is at least iOS 6.0 or Mac OS X 10.8, and you have ARC enabled, ARC will retain and release your queue, and the compiler will flag any...
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PHP script - detect whether running under linux or Windows?

... placed on a windows system or a linux system. I need to run different commands in either case. 14 Answers ...
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Is leaked memory freed up when the program exits?

... the OS keep track of all allocations? Any heap memory you allocate comes from the virtual memory space of the process - when the process terminates, that space is given back to the system wholesale, right? I don't see why the extra bookkeeping would be necessary, since the process making the allo...
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Windows batch: formatted date into variable

..."Install MS SQL Server, connect with a SQL Client, and execute the command SELECT CONVERT(VARCHAR(16), GETDATE(), 112)". – isapir Oct 13 '17 at 20:38 2 ...
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Is there a standard way to list names of Python modules in a package?

...t really part of the package. And .pyo is another valid extension. Aside from that, using imp.find_module is a really good idea; I think this is the right answer. – DNS Jan 28 '09 at 22:39 ...
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Importing modules from parent folder

... You could use relative imports (python >= 2.5): from ... import nib (What’s New in Python 2.5) PEP 328: Absolute and Relative Imports EDIT: added another dot '.' to go up two packages share ...