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Please lock the domain name. Locking a domain name means that domain names are not transferred to external registrars. Domain names can not be locked until a reasonable amount of time is required. To lock the domain name, send a copy of the lawsuit to the domain registrar and ask the registrar to lock the domain name. For example, when the BBC challenged the owner of BBC.org in 1999, the media organization failed because that domain was legally owned by the Big Blue & Cousins ​​Group of the Canadian Computer Club. The club has a domain since 1994. In contrast, when BBC filed a lawsuit against cyber scooters that sold bbc1.com and bbc2.com (the name of the two BBC channels) in 2000, the court renounces the management of the domain name by the court. We decided it should be. Cover domain name and BBC's attorneys fee

Locking is probably the simplest synchronization primitive in Python. There are only two states of locking, locking and unlocking (surprise). It is created in an unlocked state and has two main methods - acquire () and release (). The acquire () method locks Lock and blocks execution until the release () method in another coroutine sets it to unlock. Then lock it again and return True. The release () method must be called only in the locked state. This sets the state to unlock and returns immediately. If release () is called while unlocked, RunTimeError will be raised.

The most common way to implement a mutex is to use a lock. Locks can be locked or unlocked. This concept is similar to the lock used on the door, aimed at people entering the room, locking the door and starting work, leaving the room once work is completed. Unlocked. Subtasks of parallel programs are often called threads. A smaller, lighter thread is called a fiber and is used in several parallel computer architectures. Larger versions are called processes. In many cases, threads need to change the values ​​of shared variables, and interleaving of instructions between programs is possible in any order. For example, consider the following steps: