标准库 sync 提供了 2 种锁，sync.Mutex (互斥锁) 和 sync.RWMutex (读写锁)。 Lock 方法是一个阻塞操作，并发线程中一旦有一个线程获得锁，那么其他线程陷入阻塞等待，直至该线程调用 Unlock 方法释放锁。

A lock-free ring buffer (LFRB) accomplishes the same result without something like a mutex (lock), instead using ... the LFRB’s capacity was set, for example when the user demands that a ...

在做例如直播功能，有时我们可能要对相机捕获的图像数据做一些额外操作(Crop, Scale, 美颜等)但由于某些操作算法本身很耗时，以fps为30为例，如果某一帧处理较慢将可能会掉帧，所以设计一个缓冲队列先将捕获到的相机数据放入空闲队列中，随后程序中如果 ...

Voice commands via the companion app make smart locks much more convenient; for example, you can simply tell your phone to "unlock the front door" to disengage the lock. Geofencing features ensure ...

The fifth beta for Haiku R1 over a year and a half of hard work to improve Haiku’s hardware support and its overall stability ...

Many of the best luggage options in 2024, like the selections below, come equipped with TSA-approved locks. Below, we've rounded up some of the best luggage pieces with TSA-approved locks.

Door Lock Ratings Protect your home and family with the best door lock or smart lock. Some door locks offer extra security with deadbolt and spring-bolt reinforcement technology.

The transition to a smart lock is met with a lot of skepticism. While they help you manage access to your home, many doubt their usability. However, the best smart locks are a godsend as they ...

Example of a Mortgage Rate Lock Float Down Let's say a borrower finds a home and makes an offer. They are now in the process of underwriting the mortgage before the closing in 30 days. The ...

You should ask your lender about this option before you lock in your rate so you know the rules under which it would apply, as well as potential costs. For example, the lender’s policy might ...