大约有 42,000 项符合查询结果(耗时:0.0201秒) [XML]

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char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
https://www.tsingfun.com/it/cp... 

char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
https://www.tsingfun.com/it/cp... 

char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
https://www.tsingfun.com/it/cp... 

char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
https://www.tsingfun.com/it/cp... 

char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
https://www.tsingfun.com/it/cp... 

char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升

char类型移动跨平台踩过的坑CFLAG-fsigned-charchar 跨平台 arm fsigned-charchar强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一...
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NULL values inside NOT IN clause

... Query A is the same as: select 'true' where 3 = 1 or 3 = 2 or 3 = 3 or 3 = null Since 3 = 3 is true, you get a result. Query B is the same as: select 'true' where 3 <> 1 and 3 <> 2 and 3 <> null When ansi_nulls is on, 3 <&...
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Why use double indirection? or Why use pointers to pointers?

... If you want to have a list of characters (a word), you can use char *word If you want a list of words (a sentence), you can use char **sentence If you want a list of sentences (a monologue), you can use char ***monologue If you want a list of monologue...
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What's the rationale for null terminated strings?

... From the horse's mouth None of BCPL, B, or C supports character data strongly in the language; each treats strings much like vectors of integers and supplements general rules by a few conventions. In both BCPL and B a string literal denotes the address of a static ar...
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JNI converting jstring to char *

... jstring data type through the use of JNI. And my library method needs a char * as url. 2 Answers ...