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catalogue 1, LAMP introduction and overview 1. LAMP platform overview 2. Build LAMP platform sequence 3. Advantages of compilation and installation 4. Main functions of each component 2, Install Apache (version after httpd 2.4) 1. Close the firewall, subsystem and timing 2. Install and unzip the package last time, and move the accessori ...

preface Class loading mechanism is an important content in the Java field, including hot deployment, framework, reflection and dynamic proxy, which are more or less related to class loading This article records how to solve the problem of loading database driver through learning class loading mechanism. 1, Problem generation In Aug ...

mybatis batch insert or update is a good solution to save resources and connections in many business scenarios. However, sometimes when the database configuration, especially the connection timeout and waiting time, is unreasonable, the following errors may be reported when performing batch operations. 1. Examples of error reporting: com.mysq ...

Author: Sri Sakthivel Original link: https://www.percona.com/blog/enhanced-password-management-systems-in-mysql-8-part-1 MySQL 8.0 has many improvements in password management. This article will introduce the following two features. Password reuse strategyGenerate random password |1 password reuse strategy This policy is simply to restr ...

Chapter 1 installing Docker Introduction: 1. What is Dokcer? An open source application container engine allows developers to package their applications and dependency packages into a portable container, and then publish them to any popular Linux machine. Virtualization can also be realized. The container is completely encapsulated on the ...

1. Reasons for choosing soci slightly 2. Characteristics of soci ① Enter sql statements in stream mode ② Pass and parse parameters through into and use syntax ③ Support connection pool and thread safety remarks: It can be seen that it is only a lightweight package, so it also has greater flexibility. The back end supports oracl ...

Practice content 1. Install centos VI / etc / sysconfig / network scripts / ifcfg-ens33 modify the network configuration file BOOTPROTO=static IPADDR=192.168.100.128~200 Virtual machine IP Address. The last bit is between 128 and 200 NETMASK=255.255.255.0 Subnet mask GATEWAY=192.168.100.2 Default gateway ...

In the first season of snowball learning python, we have contacted the operation sqlite of Python. This blog introduces the story between python, mysql and nosql. Before formal study, make sure that mysql is installed on your computer. mysql installation blog: Supplementary knowledge: the latest windows installation tutorial of mysql in 2021, ...

Current computer tool environment: IDEA, JDK1.8, Mysql5.0, Maven 3.6.1 Steps: 1. Create JAVA WEB project 2. Configure tomcat 3. Load the dependent jar package of mybatis, the dependent jar package of mysql, and the jar packages of junit and hamcrest core (as well as the jar package of log) required for configuration 4. Create a Resources f ...

1. Introduction to database Baidu's definition of database is: "database is" a warehouse for organizing, storing and managing data according to data structure ". It is a collection of large amounts of data stored in computers for a long time, organized, shareable and uniformly managed." In short, a database is a collec ...