Measure time in Linux - getrusage vs clock_gettime vs clock vs gettimeofday

http://stackoverflow.com/questions/12392278/measure-time-in-linux-getrusage-vs-clock-gettime-vs-clock-vs-gettimeofdayThe problem is that there are several different time functions available in C and C++, and some of them vary in behavior between implementations. There are also a lot of half-answe.........【阅读全文】

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指针，变量从函数取值

发布时间：2013-08-06 21:21:18

结构体typedef struct _room{ int id; char name[32]; int *p; int phone;}room;room g_room = { 1, "room", NULL, 123};.........【阅读全文】

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VIM 中文乱码

发布时间：2013-08-01 10:31:58

$vi ~/.vimrclet &termencoding=&encodingset fileencodings=utf-8,gbk“set fileencodings=utf-8”set encoding=utf-8linux下，用vi、vim编辑文件时，可能会碰到中文乱码。由于在windows下默认是gb编码，而vim默认是utf-8（gedit默认.........【阅读全文】

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svn is already under version control

发布时间：2013-08-01 10:15:35

提交的文件或目录是其他SVN的东西，即下面有.svn的目录，删除才能提交#find . -mindepth 2 -name '.svn' -exec rm -rf '{}' \;......【阅读全文】

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CFLAGS CPPFLAGS CXXFLAGS

发布时间：2013-08-01 09:26:17

CPPFLAGS is supposed to be for flags for the C PreProcessor; CXXFLAGS is for flags for the C++ compiler.The default rules in make (on my machine, at any rate) pass CPPFLAGS to just about everything,CFLAGS is only passed when compiling and linking C, and&.........【阅读全文】

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