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Article directory Preface: 1, Apache Web page optimization 1.1 web page compression 1.1.1 overview of apcahe web page optimization 1.1.2 gzip introduction 1.1.3 Apache compression module 1.1.4 configure web compression function 2, Apache Web compression experiment 2.1 compiling apache manually ...

Multi database is to use multiple databases in different database instances, or different databases in the same database instance. Start to implement JDBC template multiple data sources: github: https://github.com/fengqing11/datasources-mybatis Complete project structure: Create database: There are tw ...

Written in the front: this note is part of the concept that I organized by following the madness teacher's video self-study. Please refer to Baidu Encyclopedia and official documents System environment: jdk 12 mysql 8.0.17 maven 3.6.2 IDEA What is MyBatis MyBatis an excellent persistence fram ...

This article mainly introduces the Hibernate framework, the concept of ORM and the introduction of hibernate. I believe you will use hibernate after reading it. If you want speed, you will not reach it. If you want speed, you will reach it! 1, Basic concepts hibernate is an ORM framework, which is called object "relative database mappin ...

Junior to intermediate 1. What is the content provider? Content Provider is mainly used to realize the function of data sharing between different applications. It provides a complete set of mechanism, which allows one program to access the data in another program, and also ensures the security of the accessed data. Currently, using content pro ...

Catalog Hot deployment: Consolidated message queuing (RabbitMQ) Installing RabbitMQ Hot deployment: Add spring boot devtools to the pom.xml file. <!--Hot deployment dependency--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring- ...

1 big data 1.1 big data concept big data, IT industry term refers to a collection of data that cannot be captured, managed and processed within a certain period of time with conventional software tools, It is a mass, high growth rate and diversified information asset that needs new processing mode t ...

Panorama Advertising Access Tutorial I believe everyone has met the need to add advertising in the app. Most of the way is to add advertising on the open page to attract users to click and jump.There are many advertisements on the market at present. Today we will introduce the simple integrated access ...

Frontier: Dubbo is a very popular technology in today's popular distributed architecture, allowing days of free time to learn and work on later projects to pave the way for later distributed projects. Introduction to Dubbox Dubbox is a distributed service framework, its predecessor is the Alibaba open source project Dubbo, which is used by dom ...

What is Spring First, Spring is a lightweight inversion of control (IoC) and aspect oriented (AOP) container framework The spring framework is created because of the complexity of software development. Spring uses basic JavaBean s to do things that were previously only possible with EJB s. However, sp ...