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Single linked list Little prince single linked list One day, the little prince was fascinated by the game of queuing. There were 10 toys numbered 1-10 placed in order on the table. Now the little prince wants to place them according to his preferences. The little prince selects a beautiful toy from among them and puts it in the front of all t ...

    Introduction to Mybatis - add, delete, modify and query a single table based on configuration Introduction to Mybatis Configuration steps Use steps (all xml configurations have been configured) Basic data Entity class Interface of DAO layer Master profile Sub profile Test class  summary Introduction to Mybatis Official ...

The design of docking interface parameters is simple and easy. A brief introduction to Postman Chrome post is a powerful API for debugging web requests.Postman can send any type of http request and support GET/PUT/POST/DELETE. Any number of headers can be attached to the request header.Postman supports different authentication mechanisms (bas ...

JavaSE_04 [ process control statement ] Today's content for loop statementwhile loop statementdo... while loop statementbreakcontinue Learning objectives Understand the format and execution process of for statement Understand the format and execution flow of while statement Understand the format and execution flow of do... while statement ...

Introduction to Drone Drone It is an extensible continuous integration engine based on Docker container technology. It is written in GO language and can be used for automatic testing, construction and even release. Each build is executed in a temporary Docker container, which enables developers to fully control their build environment and ensur ...

ThreadPoolExecutor task submission executor task submission process It can be seen from the source code that the Excutor interface under JUC only provides an executable method executor public interface Executor { /** * Executes the given command at some time in the future. The command * may execute in a new thread, in a poole ...

The Spring framework provides caching abstraction APIs for different caching products. The use of the API is very simple, but the function is very powerful. Today we will see annotation based Java configuration on the cache. Please note that we can also implement similar functions through XML configuration. @EnableCaching It supports spring's ...

This article is based on springboot 2 X Transactions are often used in the development of relational databases. In fact, non relational databases, such as redis, also support transactions. This paper mainly discusses how to use redis transactions in SpringBoot. Please refer to the following for the relevant introduction of transactions: 0. Cau ...

Spring cloud Gateway has built-in many routing assertion factories, which can be used directly through configuration or combined with multiple routing assertion factories. Next, we will introduce several common routing assertion factory classes. 1) Path route assertion factory The Path route assertion factory receives a parameter and determ ...

After the continuous integration deployment based on jenkins is completed, the task construction is completed, and the test results need to be notified to relevant personnel. Here is how to configure email notification in jenkins. 1, Install mail plugin System management - > management plug-in - > optional plug-in, select email extension ...