sleep n

Know that you can have this statement run for n seconds by executing select sleep (n) in MySQL:Mysql> Select Sleep (1); +----------+| Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec)The execution time returned to the client

Know that you can have this statement run for n seconds by executing select sleep (n) in MySQL:? 1234567 mysql> selectsleep(1);+----------+| sleep(1) |+----------+|        0 |+----------+1 row in set(1.00 sec) The

Know that you can have this statement run for n seconds by executing select sleep (n) in MySQL:[SQL]View PlainCopy  Mysql> Select Sleep (1); +----------+   | Sleep (1) | +----------+   | 0 | +----------+   1 row in

All know that by executing select sleep (n) in MySQL, you can have this statement run for N seconds: Mysql> Select Sleep (1);+----------+| Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec) The execution time returned to the client

The effect of sleep is needless to say, almost every language provides a similar function, the call is very simple. The function of sleep is to let the program wait for some time, and in order to achieve this goal, there are many ways, the simplest

Directory(i) causes (ii) hybrid spin lock (iii) q3.h and Ringbuffer　　　(d) ringqueue (upper) spin lock (v) The Art of Ringqueue (middle) Sleep 　OpeningI have studied disruptor these days. NET version, due to. NET version follow-up, online only v2.10

Example of implementing the sleep function in nodejs This article describes how to implement the sleep function in nodejs. This article describes the development process and performance testing of the sleep function. For more information,

Implementation of sleep function instance in nodejs, nodejssleep Nodejs is most uncomfortable with its single-threaded features, which cannot be implemented in many cases. For CPU-intensive scenarios, the performance is not strong enough. For a long

One of the most unpleasant things about Nodejs is its single-threaded features, which are impossible to do, and are not strong enough for CPU-intensive scenarios. For a long time, I wanted to find some solutions under the JavaScript language

1. Introduction to sleep (suspend)In Linux, sleep mainly involves three steps:1) Freeze user-State processes and kernel-state tasks2) Call the suspend callback function of the registered device in the order of registration3) sleep the core device