Programmer Think

In the previously developed java applications, we used the lib package to import the required dependencies. However, as the program becomes more and more complex and the project becomes larger and larger, we need more and more dependent packages. All of them are copied to lib package, which obviously can not meet our needs. Is there a better wa ...

Step 1: configure pom file, and configure mybatis and database related dependencies Here, mybatis uses version 3.4.5. Note: mybatis 3 @ Mapper annotation is only supported for versions above 4.0 Relevant dependency codes are as follows: <dependency> <groupId>org.mybatis</groupId> <artifactId> ...

1: Link to idea database 2: The first mybatis process 1: The package and xml interceptor required by Maven are intercepted and scanned <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven. ...

Author | sparrow source| Alibaba cloud official account This article is from Arthas. It was submitted in March 2021. The way of participation in the award-winning essay in April can be seen at the end of the article. The project initially used Arthas for two purposes: Through arthas, we can solve the problem of realizing the performance ...

In Spring Tools 4 for Eclipse, select File - > New - > Maven Project, and then add relevant information in the interface as shown in the figure. <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.6.RELEASE</version&g ...

1. Two way binding does not take effect The drop-down box has three options: A, B and C, but after selecting B, it still displays A. in fact, the value selected in v-model has become B, but the display has not changed. Cause of problem: queryParams. Attribute of v-model binding xxx and queryParams are attributes declared in data. xxx is not w ...

1, Premise: Prepare three servers: 1.Gitlab: IP 192.168.83.140 2.Jenkins+maven: IP 192.168.83.141 3.Tomcat: IP 192.168.83.142 Three servers turn off the firewall: systemctl stop filewalld setenforce 0 2, Gitlab installation 192.168.83.140 1. Deploy docker (1) Install docker using yum or up2date yum -y install docker (2) Start docker ...

The project initially used Arthas for two purposes: Through arthas, we can solve the problem of realizing the performance problem analysis tool of test environment, performance test environment and production environment. By using the combination of jad, mc and redefine functions, the ability of hot update of some node codes in the prod ...

There are many tutorials published to Maven Central, but most of them have problems. This article is my summary based on solving many problems, which is used to help students in need avoid repeating the same mistakes. What you need can be collected. What if you use it~ 1,Farewell to Bintray jCenter First of all, say goodbye to bintray jcenter ...

Note: This article is a note taken following the mybatis course of crazy God talking about java. Don't spray it if you don't like it! Link to mybatis Video: [crazy God says Java] the latest complete tutorial of Mybatis, the IDEA version is easy to understand_ Beep beep beep_ bilibili What is MyBatis MyBatis is an excellent persistence la ...