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SpringBoot and Mybatis configure multiple data sources to connect to multiple databases Currently Mybatis is the framework for the industry to operate databases, but in many business scenarios, we need to configure multiple data sources in one project to implement business logic.You can also implement multiple data sources in SpringBoot and wr ...

Due to the popularity of K8s technology, enterprises of all sizes are using it now. Although it is not popularized, I believe it will happen sooner or later, so hurry up and learn more! There are two ways to create resources in K8s: command line and YAML file. This blog mainly introduces the ways to use YAML file. If you need to use command li ...

1. What is Dependent Injection Formal definition of dependency injection: Dependency Injection is the process in which a customer class defines only one injection point because it depends on only one interface of a service class and not on a specific service class.In the process of running the program, the client class does not instantiate th ...

1. Crawler With Scrapy, we can easily write a site crawler. However, if the number of sites captured is very large, such as crawling news information of major media, multiple spiders may contain a lot of repetitive code. If we keep the common parts of spiders in each site and extract different parts as separate configurations, such as crawling ...

I. Installation of NginxOn the basic concepts of Nginx, in previous blogs: https://blog.51cto.com/14227204/2464167With a detailed introduction, this blog post starts directly from the installation. Environmental preparation: Three centos 7.5, one running Nginx and two running simple web services, are designed to test the effectiveness of the ...

  1. Click textview to change color and release to restore. The effect is shown in the left figure: 2. No recovery after loosening. As shown in the right picture:                                                                  1, textview Click to change color, release to restore 1. Set clickable property to true -----Te ...

1, Call the default parameterless constructor to create (common) bean object: Car.java package com.zj; public class Car { private String brand; private double price; public Car(){ System.out.println("Car Object created "); } public String getBrand() { return brand; } public voi ...

Integration steps Guide bag 1.spring (including spring MVC) 2.mybatis 3. Mybatis spring integration package 4. Database drive 5. Third party connection pool. Configure the web.xml file spring listener and front-end controller as well as solving the Chinese scrambling of post submission request <?xml version="1.0" e ...

A few days ago, we need to make a demand: when adding an xml file, we need to add an xml tag with uncertain quantity and the same attribute. If we want to do it in a table, we need to use the same attribute, and use a unified header. The following attribute values just need to be added, deleted, or modified, just like mysql fil ...

scene Effect     Note: Blog: https://blog.csdn.net/badao_liumang_qizhi Pay attention to the public address Domineering procedural ape Get programming related ebooks, tutorials and free downloads. Realization Change the layout to LinearLayout and set it to vertical layout through Android: orientation = "vertical" > then add a Rat ...