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一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为什么要有manifest文件
一台pc上，用一组建往往会有不止一个版本（c:/windows/winsxs或系统目录下），程序在加载的时候，不知加载哪个，于是manifest文件来指明。
manifest在哪儿，如何创建。
如果用VS开发，可以Set通过porperty->confi...
MPICH vs OpenMPI
...
Purpose
First, it is important to recognize how MPICH and Open-MPI are different, i.e. that they are designed to meet different needs. MPICH is supposed to be high-quality reference implementation of the latest MPI standard and...
Set Locale programmatically
...the changes to take effect.
EDIT 11th MAY 2018
As from @CookieMonster's post, you might have problems keeping the locale change in higher API versions. If so, add the following code to your Base Activity so that you update the context locale on every Activity creation:
@Override
protected void at...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...if ....; then
....
else
....
fi
[ -f "somefile" ] ：判断是否是一个文件
[ -x "/bin/ls" ] ：判断/bin/ls是否存在并有可执行权限
[ -n "$var" ] ：判断$var变量是否有值
[ "$a" = "$b" ] ：判断$a和$b是否相等
-r file 用户可读为真
-w file ...
ATL COM开发入门（二）（ActiveX/COM组件回调JS） - C/C++ - 清泛网 - 专注C/C++及内核技术
...数中回调前台js函数，显示计数。
一、ATLDemo.idl 中添加一个新的接口：
BeginTiming函数体：
STDMETHODIMP CAtlDemoIf::BeginTiming(IDispatch* pIDispatch)
{
gIDispatch = pIDispatch;
UINT nRet = SetTimer(NULL, // handle to main window
ID_TIMER, // ...
VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...在SetUnhandledExceptionFilter捕获到。这是CRT相对于前面版本的一个比较大的改变，但是很遗憾，Microsoft却没有在相应的文档明确指出。
解决方法
之所以应用程序捕获不到那些异常，原因是因为新版本的CRT实现在异常处理中强...
stl multimap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：主要思路为根据key，multimap的特点为key是可以重复，即一个key对应多个value。将所有key取出来，然后每个key逐个遍历。
1、取出所有的key，可以用set
for (pIter = mapTest.begin(); pIter != mapTest.end(); pIter++)
{
setKey.in...
‘std::tr1’ does not name a template type - C/C++ - 清泛网 - 专注C/C++及内核技术
...。
C++ tr1是针对C++标准库的第一次扩展。即将到来的下一个版本的C++标准c++0x会包括它，以及一些语言本身的扩充。tr1包括大家期待已久的smart pointer，正则表达式以及其他一些支持范型编程的东东。草案阶段，新增的类和模板...
CGContextDrawImage draws image upside down when passed UIImage.CGImage
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Good point, though mostly you don't need custom alpha levels for drawing an image (typically those are baked into images ahead of time for things that need alpha). Basically my motto is, use a little code as you can because more code means more...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...ou will have typically have 1-8 cache locations for all of these. Thus almost all of those accesses will trigger an L1 cache eviction, and fetching of data from a slower cache or main memory.
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