Windows allows you to lock your screen so that others cannot access your computer without entering your password. This is very useful when you need to be away from your computer for a while and do not ...

Windows 8 has a new lock screen that allows you to display information from your Windows apps while the computer is locked. This allows you to lock down your computer, but at the same time have useful ...

lock_guard 对象通常用于管理某个锁(Lock)对象，因此与 Mutex RAII 相关，方便线程对互斥量上锁，即在某个 lock_guard ...