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1. Basic introduction to CSS 1.1 understanding CSS CSS(Cascading Style Sheets): CSS, or cascading style sheet, is a computer language used to represent file styles such as HTML (an application of Standard General Markup Language) or XML (a subset of Standard General Markup Language). CSS can not only modify the web page statically, but ...

Tip: after the article is written, the directory can be generated automatically. Please refer to the help document on the right for how to generate it preface Tip: the following is the main content of this article. The following cases can be used for reference https://www.cnblogs.com/xiohao/p/4234184.html 1, The role of Java serializ ...

Recently, I took over a job of adjusting the project framework. I was assigned to build the nacos registry; nacos registry is an open source component of alibaba. It provides the registry and configuration center functions of spring cloud alibaba microservice architecture, and provides a more intuitive visual interface; This article will introd ...

Spring framework is the most widely used framework in Java. Its success comes from the concept rather than the technology itself. Its concepts include ＾ IoC (Inversion of Control) and ＾ AOP(Aspect Oriented Programming). 1|0 what is Spring: 1. Spring is a lightweight open source framework for DI / IoC and AOP containers, derived from some co ...

SMBMS Basic architecture database Database architecture [the external chain image transfer fails. The source station may have an anti-theft chain mechanism. It is recommended to save the image and upload it directly (img-vli3iozs-1626496921096) (C: \ users \ Hasee \ appdata \ roaming \ typora user images \ image-20210715140247552. PNG)] ...

The following is based on MyBatis official website Document extension 1. What is MyBatis? MyBatis is an excellent persistence layer framework, which supports custom SQL, stored procedures and advanced mapping. MyBatis eliminates almost all JDBC code and the work of setting parameters and obtaining result sets. MyBatis can configure and map pr ...

1, What is a filter 1. Filter is one of the three major components of Java Web. The three components are: Servlet program, Listener listener and filter filter 2. Filter is a Java EE specification. That is, the interface. 3. The function of Filter is to intercept requests and Filter responses. Common application scenarios: 1. Permission che ...

Spring AOP (aspect oriented programming) concept 1. What is AOP? AOP is the abbreviation of Aspect Oriented Programming, which means Aspect Oriented Programming. It is a technology to realize the unified maintenance of program functions through precompiled mode and runtime dynamic agent. AOP is the continuation of OOP, a hot spot in software d ...

The running result of the following Java code is public class Dog { String name=null; int age = 10; public Dog() { this.name = "Wangcai"; this.age = 20; } public void show(){ System.out.println("Name:" + name + "age:" + age); } public static void main(String[] args) { new Dog().show(); } } //Name: Wangcai age: 20 I ...

Important content 1. Branch Contents of logical operators left over from the previous article Breaking principle of 0.0 logical operator &&(and) | (or)! (non) Circuit breaking principle of logic and: Condition 1 & & condition 2 & & condition 3 as long as one of your conditions is false, the overall result ...