Programmer Think

1, Foreword This article mainly introduces some annotations encountered in using mybatis in the project. Although it is not the most complete, it is basically enough for development. 2, Mybatis annotation 1,@Results Function: used to map query result set to entity class attribute. When the database field name is inconsistent with the attr ...

1. Brief overview 😵 It's better to teach people to fish than to teach people to fish. I also spent a lot of time querying information and learning this. This article only represents my personal views and positions. If there are mistakes, please comment and point out the exchange. In order to take care of novices and understand the tutorial ...

Direct answer JLS gives us some hints that restricting access to dynamic local variables by valid final variables may introduce concurrency problems. But what English is this? Simply put: java is designed to prevent the modification of data from being out of sync, that is, to prevent the outer local variables you use inside the lambda from be ...

brief introduction hello, today I share my understanding of springboot. Springboot is a one-stop framework used by many enterprise web development. On the whole, springboot is the overall re encapsulation of spring! Spring officials have given many advantages of spring boot 1. It's a good time to create an independent spring application. It's ...

I read a lot of articles about outh2 application, and the introduction is rather obscure and difficult to understand. At the same time, there is no actual case description, Next, I will explain with a simple case of security+outh2 and explain why this implementation method is the best through the wechat authentication process. 1. Security im ...

​ 1. What is message queue Message queue is mainly used to manage asynchronous messages (after registration, SMS sending is not necessary, and queue can be used). Realize the two-way decoupling between systems, and also play the role of message buffer and message distribution. When the producer generates a large amount of data, but the consum ...

        Spring cloud is a complete set of framework for implementing microservices based on spring boot. It provides such components as configuration management, service discovery, circuit breaker, intelligent routing, micro agent, control bus, global lock, decision-making, distributed session and cluster state management. ...

1. Create a normal Spring boot project After creating the project, start it directly, and the password will be printed on the console: Enter in the browser http://localhost:8080 , it will jump to the login page: The default user name is user, and the password is printed on the console. This indicates that spring security is effectiv ...

Refer to the previous operation: ssm + js realizes the registration function thinking ① Backstage Mapper a. Query operation, query status = 1 b. Write mapping file c. Po d. DtoService: finish paging settings a. Paging operation while querying b. PageHelperController a. Get the front-end submission page number and number b. Returns the data o ...

brief introduction My autumn recruitment is basically over. The busiest time period is August and September. There is basically no written examination / interview in October, or I am really tired and don't want to continue the autumn recruitment. I want to lie down. Some of them really take the initiative to end the process Because of the exp ...