registerListeners() of Spring source code and publish subscribe mode

registerListeners() of Spring source code and publish subscribe modeHello, I'm classmate Tian, a programmer.Today, let's explain the registerListeners() method in the refresh() method, which is often referred to as the publish subscribe mode of Spring. This paper first gives an example of publish subscribe mode, then explains the principles of ...

Added by jreed2132 on Mon, 07 Mar 2022 09:45:46 +0200

Quickly understand the commonly used asymmetric encryption algorithms, and no longer have to worry about the thorough inquiry of the interviewer

Interviewer: what are your commonly used encryption algorithms? Encryption algorithms are usually divided into two kinds: symmetric encryption algorithm and asymmetric encryption algorithm. The symmetric encryption algorithm uses the same key in encryption and decryption; Asymmetric encryption algorithm uses different keys in encryption and ...

Added by Xadian on Mon, 07 Mar 2022 09:25:38 +0200

[SpringBoot] basic knowledge of SpringBoot

1, Introduction to SpringBoot Baidu Encyclopedia: Spring Boot is a new framework provided by pivot team. It is designed to simplify the initial construction and development process of new spring applications. The framework uses a specific way to configure, so that developers no longer need to define a templated configuration. In this way, ...

Added by BrianM on Mon, 07 Mar 2022 07:03:41 +0200

4. Use Redis to optimize login module

#Using Redis to optimize login module Redis is used to optimize the functions with high access frequency that will affect efficiency Use Redis to store verification code [the transfer of external chain pictures fails, and the source station may have anti-theft chain mechanism. It is recommended to save the pictures and upload them d ...

Added by metalhead41 on Sun, 06 Mar 2022 15:55:02 +0200

Spring security global method security: pre authorization and post authorization

1. Can non Web applications use Spring Security for authorization?    so many knowledge points about Spring Security mentioned earlier are designed based on Web applications. So isn't it web applications that can't use Spring Security for authentication and authorization? Spring Security is ideal for scenarios where applications ...

Added by msaz87 on Sun, 06 Mar 2022 14:21:21 +0200

Java Vue+SpringCloud integration before and after the completion of Alipay payment (sandbox) operation process [detailed]

Java Vue+SpringCloud integration before and after the completion of Alipay payment (sandbox) operation process [detailed] The realization of Alipay payment function in our project is actually very simple. Don't say much, come straight to the point! preparation Baidu enters Alipay official website Choose me to be a developer Click ...

Added by fire_cracker on Sun, 06 Mar 2022 14:18:38 +0200

3. Follow, cancel, follow and fan list

#Follow and cancel [the transfer of external chain pictures fails, and the source station may have anti-theft chain mechanism. It is recommended to save the pictures and upload them directly (img-xwZ8AhZC-1646567007779)(D:\TyporaNotes \ Niuke forum project \ Chapter III pictures \ image-20220306104936732.png)] Design the key and Valu ...

Added by wyvern on Sun, 06 Mar 2022 14:01:22 +0200

SpringBoot-20-Mybatis code generation

SpringBoot-20-Mybatis code generation What is Mybatis? Mybatis is an open source project of apache ibatis, which was officially renamed mybatis in 2010. It is a Java persistence layer framework. The persistence layer framework provided by ibatis includes SqL Maps and Data Access Objects(Daos) Mybatis features: Mybatis is easy to learn: you ...

Added by Gier NL on Sun, 06 Mar 2022 13:21:27 +0200

RabbitMQ Application Demo: supports hot plug of multiple consumer instances

Demand background There are several reasons why multiple consumer instances need to be deployed in the project: Based on the reliability improvement requirements of the system. Especially for the container deployment scheme based on micro service architecture, multi instance deployment of micro service is the basic requirement to ensure the re ...

Added by cmaclennan on Sun, 06 Mar 2022 12:55:33 +0200

[elasticsearch]1. Basic operation of getting started

ES getting started HTTP Install ES Download from ElasticSearch official website , take the latest version as an example, elasticsearch-7.17.0-windows-x86_64.zip Unzip the compressed package, enter the bin directory in elasticsearch, and double-click elasticsearch Bat run, enter in the browser http://localhost:9200 , press enter, and the ...

Added by Torleif on Sun, 06 Mar 2022 08:00:47 +0200