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mutex = CreateMutex(NULL, false, NULL); WaitForSingleObject(mutex, INFINITE); ReleaseMutex(mutex); CloseHandle(mutex); 阅读全文
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rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,0 阅读全文
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前要先加锁pthread_cond_wait内部会解锁,然后等待条件变量被其它线程激活 pthread_cond_wait被激活后会再自动加锁 激活线程: 加锁(和等待线程用同一个锁) pthread_cond_signal发送信号 解锁 线程便会调用pthread_cond_wait阻塞自己,但是 阅读全文
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netsh winsock reset 打开虚拟机前选择net模式 重启电脑 阅读全文
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future对象通过以下方式获得 async promise::get_future packaged_task::get_future 阅读全文
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类似于std::function,它会把结果自动到转移到future对象 int countdown (int from, int to) { for (int i=from; i!=to; --i) { std::cout << i << '\n'; std::this_thread::sleep 阅读全文
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std::function<int(int,int)> foo,bar;用函数类型初始化模板参数 阅读全文
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double my_divide (double x, double y) {return x/y;} int main () { using namespace std::placeholders; // adds visibility of _1, _2, _3,... // binding f 阅读全文
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Returns an rvalue reference to arg if arg is not an lvalue reference. If arg is an lvalue reference, the function returns arg without modifying its ty 阅读全文
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c->s GET /media/simple?path=/home/xpy/http/example/huoyuanjia.mp4 HTTP/1.1Host: 192.168.233.128:8000Accept: */*Accept-Language: en_USUser-Agent: VLC/3 阅读全文