Course Intermediate  11245

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17581

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11291

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction："mutex" in Yii refers to the "Mutex component", which allows concurrent processes to execute each other to prevent "race conditions"; the syntax for using "mutex" is "if ($mutex->acquire($mutexName)) { } else {}".

2020-02-03 comment 0  2970

Course Introduction：The Linux system is an operating system that supports concurrent execution of multiple tasks. It can run multiple processes at the same time, thereby improving system utilization and efficiency. However, if there are multiple threads in a process, and these threads need to share some data or resources, data inconsistency or resource competition may occur, leading to system errors or exceptions. In order to solve this problem, you need to use some synchronization mechanisms, such as semaphores, condition variables, mutexes, etc. Among them, the mutex is a relatively simple and effective synchronization mechanism. It allows a thread to lock shared data or resources when accessing them to prevent other threads from accessing them at the same time, thus ensuring thread safety. This article will explain in detail the method of synchronizing the mutex Mutex in Linux multi-threads, including the mutex

2024-02-11 comment 0  942