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How to use clock() in C++
...nclude <iostream>
#include <ctime>
#include <cstdlib> //_sleep() --- just a function that waits a certain amount of milliseconds
using namespace std;
int main()
{
clock_t cl; //initializing a clock type
cl = clock(); //starting time of clock
_sleep(5167); ...
Timeout command on Mac OS X?
...l fail after 1 second, and shows non zero exit code result
$ timeout 1 "sleep 2" 2> /dev/null ; echo \$?
142
# Will succeed, and return exit code of 0.
$ timeout 1 sleep 0.5; echo \$?
0
$ timeout 1 bash -c 'echo "hi" && sleep 2 && echo "bye"' 2> /dev/null; e...
What does multicore assembly language look like?
...code from address 0xfffffff0. All the other threads start up in a special sleep state called Wait-for-SIPI. As part of its initialization, the primary thread sends a special inter-processor-interrupt (IPI) over the APIC called a SIPI (Startup IPI) to each thread that is in WFS. The SIPI contains ...
Get program execution time in the shell
... value of the TIMEFORMAT variable as the output format.
Example:
$ time sleep 2
real 0m2.009s
user 0m0.000s
sys 0m0.004s
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RSA 算法是如何诞生的 - 创意 - 清泛网 - 专注C/C++及内核技术
...
公钥密码 blah blah blah…不对称密码 blah blah blah…单向函数 blah blah blah…但是符合条件的单向函数目前没找到。我有信心找到这样的单向函数，你看你要不要和我一起试试？
这些显然不足以让早已下决心走纯理论路线的 Adlem...
Using async/await for multiple tasks
...r a default scheduler will hog a thread during that period (even if it is "sleeping"), while the async ones will not. No difference outside of that period, i.e. the task is schedule but not started, and when it has completed but it's caller is still waiting.
– musaul
...
VS Addin插件基本开发入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一个Connect.cs文件，它是插件的入口代码。其中OnConnection函数是插件启动、响应事件的处理函数。里面默认向Tool菜单下添加了子菜单，代码简单明了，不解释。
这时，我们直接Ctrl + F5运行插件，启动VS新实例后，点击”工具“...
C++ HICON与HBITMAP相互转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...con = ::CreateIconIndirect(&ii);//一旦不再需要，注意用DestroyIcon函数释放占用的内存及资源
::DeleteObject(hbmMask);
return hIcon;
}
方法二：
#include <gdiplus.h>
#pragma comment(lib,"GdiPlus.lib")
HICON CreateIcon(HBITMAP hBitmap)
{
Gdiplus::Bitm...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注IT技能提升
...eryInterface接口，来获得对应的正确的接口指针。
(1) 构造函数
第一个参数为智能接口指针的类型，第二个参数为 智能指针的接口ID。
CComPtr<IUnknown> punk;
下面三个例子完全相同
CComPtr<IXXX> pno;
CComPtr<IXXX,&__uuidof(IXXX)> pno;
CComPtr<I...
CMap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...其实不是。获取元素的次序没有确定。
该类的某些成员函数调用了全局的帮助函数，它们必须定制，以满足CMap类的更多用途。请参阅“Microsoft Visual C++ MFC库参考”中的“宏和全局”部分中的“收集类帮助程序”。
CMap引入了宏...