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VC DDE(Dynamic Data Exchange)与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
... {
printf("DDE Initialization Failed: 0xx\n", iReturn);
Sleep(1500);
return 0;
}
//Start DDE Server and wait for it to become idle.
HINSTANCE hRet = ShellExecute(0, "open", szTopic, 0, 0, SW_SHOWNORMAL);
if ((int)hRet < 33)
{
printf("Unab...
C++及Windows异常处理(try,catch; __try,__finally, __except) - C/C++ - ...
...一个局部对象来封装一个资源,这样一来局部对象的析构函数就可以自动释放资源。这样,程序员就不会“忘记释放资源”了。 [译注:因为C++的对象“生命周期”机制替他记住了 :O) ] 下面是一个例子:
class File_handle {
...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
【精心整理】【实用】visual C++中最常用的类与API函数这篇文章能让初学者快速了解visual C++MFC中常见的核心的类与函数,虽然全部看下来有点枯燥,但对初学者快速了解MFC的框架结构很有好处。...这篇文章能让初学者快速了解visu...
fastest (low latency) method for Inter Process Communication between Java and C/C++
...g overhead (or core caches?) is also the culprit
At the same time Thread.sleep(0) (which as strace shows causes a single sched_yield() Linux kernel call to be executed) takes 0.3 microsecond - so named pipes scheduled to single core still have much overhead
Some shared memory measurement:
Sept...
Lock, mutex, semaphore… what's the difference?
...ocess. The other non selected threads (@ acquiring this object) are put to sleep.
[No interprocess capability, very primitive object].
2) Mutex Semaphore (aka Mutex)= Kernel object used for allowing the execution of just one active thread from many others, among different processes. The other non ...
Easy way to prevent Heroku idling?
...ation Available' message. This also works great with Pagoda, and any other sleepy host.
– Jacob Evan Shreve
Jun 18 '13 at 21:21
...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
...ng mtime, seconds, useconds;
gettimeofday(&start, NULL);
usleep(2000);
gettimeofday(&end, NULL);
seconds = end.tv_sec - start.tv_sec;
useconds = end.tv_usec - start.tv_usec;
mtime = ((seconds) * 1000 + useconds/1000.0) + 0.5;
printf("Elapsed time: %ld mi...
How to stop a goroutine
... close(ch)
return
}
time.Sleep(100 * time.Millisecond)
}
}()
go func() {
time.Sleep(3 * time.Second)
done <- struct{}{}
}()
for i := range ch {
fmt.Println("receive value: ", i)
}
fmt.Prin...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...设置,线程语言默认采用用户设置语言。设置线程语言的函数是SetThreadLocale。
设置线程语言为“中文”的代码如下:
SetThreadLocale(MAKELCID(MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED), SORT_DEFAULT));
设置线程语言为“英语(美国)”...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...c 切换栈帧
kv (数量) 栈帧信息
dt -r 递归 ntdll!*
u /uf (函数)
ub (往前)
常用前缀:Cc(Cache Manager),Cm(Configuration Manager),Ex(Excutive support routines),FsRtl(文件系统驱动程序运行库),Ps(Process support),Rtl(运行库),Zw...
