Article Introduction：The database has been built and various configurations have been completed, but when starting slave;, an error message is reported: ERROR 1200 (HY000): The server is not configured as slave; fix in config file or with CHANGE MASTER TO says here, I don’t have It is configured as a slave, but I have already configured it. MySQL version: 5.6.19 Master: master I

2017-03-11 comment 0  3080

Article Introduction：The same project sometimes involves multiple databases, that is, multiple data sources. Multiple data sources can be divided into two situations: 1) Two or more databases are not related and are independent. In fact, this can be developed as two projects. For example, in game development, one database is a platform database, and the other databases are corresponding to games under the platform; 2) Two or more databases are in a master-slave relationship. For example, mysql builds a master-master, and then brings There are multiple slaves; or master-sla... built using MHA...

2017-06-15 comment 0  2121

Article Introduction：The same project sometimes involves multiple databases, that is, multiple data sources. Multiple data sources can be divided into two situations: 1) Two or more databases are not related and are independent. In fact, this can be developed as two projects. For example, in game development, one database is a platform database, and the other databases are corresponding to games under the platform; 2) Two or more databases are in a master-slave relationship. For example, mysql builds a master-master, and then brings There are multiple slaves; or master-sla... built using MHA...

2017-06-15 comment 0  1292

Article Introduction：1. Open Master Lu, click and select [Hardware Detection], as shown in the figure below. 2. In [Hardware Health] on the left, check the dates of various hardware, etc., as shown in the figure below. 3. In the list on the left, you can view the detailed information of the hardware or the date of use, etc., and use the date to determine whether it is a refurbished machine, as shown in the figure below.

2024-04-23 comment 0  633

Article Introduction：Recently, many friends have asked the editor, Master Lu, how to detect whether a computer is a refurbished machine. Next, let us learn how Master Lu detects whether a computer is a refurbished machine. I hope it can help everyone. How does Master Lu detect whether a computer is refurbished? How Master Lu detects whether the computer is a refurbished machine 1. Open Master Lu, click and select "Hardware Detection", as shown in the figure below. 2. In "Hardware Health" on the left, check the dates of various hardware, etc., as shown in the figure below. 3. In the list on the left, you can view the detailed information of the hardware or the date of use, etc., and use the date to determine whether it is a refurbished machine, as shown in the figure below.

2024-08-19 comment 0  263

Article Introduction：Recently, Chen Lu, President of Cadiz Smart Lock China, visited Tangshan Department Store Group (Tangbai Electric). The two parties exchanged in-depth resource advantages and reached an in-depth strategic cooperation in 2024-2025 based on the actual situation of the Tangshan market, and completed the first contract signing of more than 1,000 units. Cadiz smart lock strategic goals, next, the two parties will continue to deepen cooperation in channel layout, retail promotion and other areas to jointly promote the high-end and popularization process of the smart home market. Caddis has significant global leadership advantages and has been favored by many partners. As the world's leading high-end smart lock brand, Caddis currently has 711 patents and ranks first in the world in terms of number of smart lock patents. Its products are sold in 36 countries, with cumulative sales exceeding 10 million units, a variety of high-end smart locks represented by Cadiz Legend Master K70 series

2024-08-23 comment 0  500

Article 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  1136

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

2016-08-08 comment 0  992

Article Introduction：charles captures requests in eclipse

2016-12-02 comment 0  1628

Article Introduction：Illustrated method to find the path of the PHP configuration file php.ini. Graphical method to find the path of the PHP configuration file php.ini. Recently, some bloggers asked in which directory php.ini exists? Or why does it not take effect after modifying php.ini? Based on the above two questions,

2016-07-13 comment 0  744

Article Introduction：IT House reported on July 14 that Huawei recently released new commercial AI storage products "OceanStorA310 deep learning data lake storage" and "FusionCubeA3000 training/pushing hyper-converged all-in-one machine". Officials said that "these two products can train basic AI models." , industry model training, and segmented scenario model training and inference provide new momentum." ▲ Picture source Huawei IT Home compiled and summarized: OceanStorA310 deep learning data lake storage is mainly oriented to basic/industry large model data lake scenarios to achieve data regression from Massive data management in the entire AI process from collection and preprocessing to model training and inference application. Officially stated that OceanStorA310 single frame 5U supports the industry’s highest 400GB/s

2023-07-16 comment 0  1457

Article Introduction：The difference between the exec function and the shell_exec function in PHP, execshell_exec. The difference between the exec function and the shell_exec function in PHP. Both execshell_exec functions execute Linux command functions. The difference is that the return results are different. exec can only get the last line number.

2016-07-13 comment 0  993

Article Introduction：Nginx server combines Nginx and tomcat to access jsp

2016-12-02 comment 0  1753

Article Introduction：:This article mainly introduces the PHP function container ing..., students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1050

Article Introduction：Interface usage of PHP object-oriented programming, PHP object-oriented programming. Interface usage in PHP object-oriented programming, PHP object-oriented programming interface is a very important concept in PHP object-oriented programming. This article explains in more detail in the form of examples

2016-07-13 comment 0  942

Article Introduction：PHP object-oriented programming and other constant usage examples, sed usage examples. Examples of constant usage in PHP object-oriented programming, examples of sed usage. Class constants are a very important concept in PHP object-oriented programming. A firm grasp of class constants will help further improve

2016-07-13 comment 0  967

Article Introduction：Java Tutorial—The Difference Between Int and Integer

2016-12-02 comment 0  1928

Article Introduction：Here is a JAVASCRIPT client solution for obtaining URLs with QUESTRING parameters, which is equivalent to ASP's request.querystring and PHP's $_GET

2017-04-24 comment 0  4078

Article Introduction：JavaWeb learning summary_Servlet development

2016-12-02 comment 0  1888

Article Introduction：Examples explain PHP object-oriented polymorphism, examples explain object-oriented. Examples explain object-oriented polymorphism in PHP. Examples explain object-oriented polymorphism. What is polymorphism? Polymorphism is the third feature of object-oriented languages ​​after database abstraction and inheritance. Polymorphism is many

2016-07-13 comment 0  864