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redis silver I To make a digression, recently, the epidemic situation in the capital of China is very serious. We are all in the current of the times. This is not for individuals. I hope you can protect yourself and have fun every day. [toc] preface Statement: refer to the Internet, and leave a message if there is any dispute. Standing on the s ...

Code reference http://bbs.csdn.net/topics/391070227?page=1     Here is the posted Code: public void dealListWithMutiThread(){ List<Object> list = new ArrayList<Object>(10000); int index = 0; ExecutorService ex = Executors.newFixedThreadPool(5); int dealSize = 2000; List&l ...

When it comes to Spring AOP, we are going to enhance transaction control by ourselves, and the Spring framework is ready for us to use these functions. Of course, don't think that SrpingAOP can only enhance the transaction function. AOP can be used to enhance any method you want to enhance. So how do ...

Series Catalog What is spi 01-spi?Getting Started spi 02-spi battle resolution slf4j package conflict problem spi 03-spi jdk for source code parsing spi 04-spi dubbo for source code resolution spi 05-dubbo adaptive extension adaptive expansion spi 06 - Implement SPI framework from scratch spi 07-Automatically generate SPI profile implementatio ...

@Configuration configure spring and start the spring container @Configuration is used to define the configuration class, which is labeled on the class, which is equivalent to < beans > in the xml configuration file of spring. Its function is to configure the spring container (application context) Example description: Configuration class @ ...

Today's Content 1. Database Connection Pool 2. Spring JDBC : JDBC Template Database Connection Pool 1. Concept: It is actually a container (collection) that holds database connections. When the system is initialized, the container is created and some connection objects are requested in the container. When the user accesses the database, ...

Source code for this article: GitHub. Click here || GitEE. Click here 1. Introduction to Column Library ClickHouse is the 2016 Open Source Column Storage Database (DBMS) of Yandex, Russia. It is mainly used for OLAP online analysis processing queries, and can use SQL queries to generate real-time analysis data reports. Column storage Row stor ...

java lazy development: mybatis generator generates the corresponding entity class, xml Mapper file, interface and help class according to the table design in the database. Take spring-tool-suite-3.9.2.RELEASE as an example: install Introduction package <dependency> <groupId>org.mybatis.generator</groupId> <artifa ...

Getting to know JDBC 1, JDBC concept jdbc English full name: java database connectivity is a set of specifications for Java to access database, which can be understood as a set of classes and interfaces provided by java to connect database The relationship between jdbc and database driver: 　　 2, jdbc easy to use Usage process: (the driver jar ...

thanks Download sonarqube-6.4 Download SonarQube Scanner mysql adds a database named sonar and the user sonarqube@sonarqube Unzip SonarQube and modify the database configuration and user configuration of the configuration file [root@localhost pig]# vim sonarqube-6.4/conf/sonar.properties # Configure database user na ...