keycode 0 =keycode 1 =keycode 2 =keycode 3 =keycode 4 =keycode 5 =keycode 6 =keycode 7 =keycode 8 = BackSpace BackSpacekeycode 9 = Tab Tabkeycode 10 =keycode 11 =keycode 12 = Clearkeycode 13 = Enterke... [阅读全文]

“返回值优化”是我们对个常见优化手段只要可能我们都应该返回对象有效引用而不是重新生成个临时对象但是也许这种想法在多线程里需要更仔细斟酌下 我从个简单例子讲起: templateT FdMap { std::vectorT vec_; public: void Set( fd,const T & v){ (fd = 0){ (fd ve... [阅读全文]