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Timer function to provide time in nano seconds using C++
... windows you want to use the QueryPerformanceCounter. And here is more on QPC
Apparently there is a known issue with QPC on some chipsets, so you may want to make sure you do not have those chipset. Additionally some dual core AMDs may also cause a problem. See the second post by sebbbi, where he s...
Converting RGB to grayscale/intensity
... = R^gamma, Glin = G^gamma, Blin = B^gamma
where gamma is 2.2 for many PCs.
The usual R G B are sometimes written as R' G' B' (R' = Rlin ^ (1/gamma))
(purists tongue-click) but here I'll drop the '.
Brightness on a CRT display is proportional to RGBlin = RGB ^ gamma,
so 50% gray on a CRT is qui...
常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...
--local #单独一个项目
git config --global user.name "xxxx" #用户名
git config --global user.email "xxxx@xxx.com" #邮箱
git config --global core.editor vim #编辑器
git config --global alias.st status #按这种方法，配置别名
git config -l #列举所有配置
Git中3种...
Useful GCC flags for C
...olation 1 (check/write): time=1280862302.170759 ptr=0x7fff96eb3d00 size=44
pc=0x7f3a575503c1 location=`mf.c:4:2 (main)'
/usr/lib/libmudflap.so.0(__mf_check+0x41) [0x7f3a575503c1]
./a.out(main+0x90) [0x400a54]
/lib/libc.so.6(__libc_start_main+0xfd) [0x7f3a571e2c4d]
Nearby object 1: ...
Export a stash to another computer
...s:
git commit -a
then add it as a remote on computer 2:
git remote add pc1 user@computer1:/path/to/repo
now you can retrieve the remote information using
git fetch pc1
now you can import the commit in the way you want; using git cherry-pick, git rebase or whatever you like...
If you want it...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...onst char *k);
当"栈"中包含执行脚本需要的所有要素(函数名和参数)后，调用lua_pcall执行脚本：
int (lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
下面进行实例说明：
func.lua
--变量定义
width=1 ;
height=2 ;
--lua函数定义，...
How to enable external request in IIS Express?
...rt Tools. Then run the following command from an administrative prompt:
httpcfg set urlacl /u http://vaidesg1:8080/ /a D:(A;;GX;;;WD)
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What is ANSI format?
...
Just in case your PC is not a "Western" PC and you don't know which code page is used, you can have a look at this page: National Language Support (NLS) API Reference
Can I call a constructor from another constructor (do constructor chaining) in C++?
...or: SomeType(string const &s) { /*...*/ } SomeType(char const *pc) : SomeType(string(pc)) { /*...*/ }
– Cyrille Ka
Sep 14 '15 at 18:14
...
Compile Views in ASP.NET MVC
...ler won't, such as missing/incorrect views and actions. R# will slow your PC down a bit (I find it fine on a large-ish project with 4GB ram and a hyperthreaded CPU) but I easily make back the time I spend waiting for it, and I end up doing fewer operations on my code as R# provides higher level ope...