大约有 13,000 项符合查询结果(耗时:0.0213秒) [XML]

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How to translate between Windows and IANA time zones?

...p[ ianaZoneId ]; links = Enumerable.Repeat( canonical, 1 ).Concat( links ); did the trick for me. – Johannes Rudolph Jun 1 '15 at 15:46 2 ...
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Is a Java string really immutable?

.... However, looking at the source code of String, we can see that the value character array for a substring is actually copied (using Arrays.copyOfRange(..)). This is why it goes unchanged. You can install a SecurityManager, to avoid malicious code to do such things. But keep in mind that some libra...
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Why is the use of alloca() not considered good practice?

...of the program's execution. In the header file: void DoSomething() { wchar_t* pStr = alloca(100); //...... } In the implementation file: void Process() { for (i = 0; i < 1000000; i++) { DoSomething(); } } So what happened was the compiler inlined DoSomething function and a...
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Why is C so fast, and why aren't other languages as fast or faster? [closed]

...what the machine does can be seen in the rules that govern the widening of char objects for use in expressions: whether the values of char objects widen to signed or unsigned quantities typically depends on which byte operation is more efficient on the target machine. ...
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What is the bit size of long on 64-bit Windows?

...bit' and 'long, pointers are 64-bit'. Type ILP64 LP64 LLP64 char 8 8 8 short 16 16 16 int 64 32 32 long 64 64 32 long long 64 64 64 pointer 64 64 64 The ILP64 sys...
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Parse (split) a string in C++ using string delimiter (standard C++)

...ollowing, you need add 2 not 1 due to the size of the delimiter which is 2 characters :) : std::string s = "scott>=tiger>=mushroom"; std::string delimiter = ">="; size_t last = 0; size_t next = 0; while ((next = s.find(delimiter, last)) != std::string::npos) { st...
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Why is MySQL's default collation latin1_swedish_ci?

... He is Finnish , but Finnish and Swedish share almost the same special characters ,so they share the same case insensitive collation – kommradHomer Feb 26 '14 at 10:47 5 ...
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What is RSS and VSZ in Linux memory management

...-in-c/7212248#7212248 */ void ProcStat_init(ProcStatm *result) { const char* statm_path = "/proc/self/statm"; FILE *f = fopen(statm_path, "r"); if(!f) { perror(statm_path); abort(); } if(7 != fscanf( f, "%lu %lu %lu %lu %lu %lu %lu", &(...
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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?

John uses CHARACTER VARYING in the places where I use VARCHAR . I am a beginner, while he is an expert. This suggests me that there is something which I do not know. ...
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Find out HTTP method in PHP [duplicate]

...g filter_input( \INPUT_SERVER, 'REQUEST_METHOD', \FILTER_SANITIZE_SPECIAL_CHARS ) (you might of course use other filter, eg. FILTER_SANITIZE_STRING - see here for a full list). Obviously, in the regular (GET/POST) case there ain't anything to sanitize, but a good habit is still a good habit IMO....