Course Intermediate  11428

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  17719

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  11417

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：The linux export command can be used to set or display environment variables; when executing a program in the shell, you can use export to add, modify or delete environment variables for subsequent execution of the program. The syntax format is "export [-fnp][variable Name]=[variable setting value]".

2020-11-03 comment 0  10916

Course Introduction：The working principle of the thermostat is to sample and monitor the ambient temperature through a temperature sensor, and then start or stop the heating or cooling equipment through the control circuit based on the difference between the set temperature value and the actual detected temperature value, thereby To achieve the purpose of keeping the temperature within the set value range. Detailed introduction: 1. Sampling and monitoring of temperature sensor. The temperature sensor is a key component of the thermostat. Its function is to detect the ambient temperature and convert the detected temperature value into an electrical signal, and then pass it to the control circuit for processing. The temperature sensor Generally, thermistors, thermocouples, etc. are used.

2023-09-18 comment 0  3571

Course Introduction：1. Injection classification After a Bean instance calls the parameterless constructor to create a null object, it must initialize the properties of the Bean object. Initialization is done automatically by the container and is called injection. Depending on the injection method, there are two commonly used types: set value injection, construction injection, and implementation-specific interface injection. Since the third method uses intrusive programming and pollutes the code, it is rarely used. 1. Set value injection ​ 2. Construct injection ​ 2. Namespace injection ​ 3. Collection attribute injection ​ 4. Automatic annotation of domain attributes

2017-06-26 comment 0  1804

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1254

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1116