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SpringCloudAlibaba+Nacos integration Gateway Spring cloud gateway combined with Sentienl to implement gateway current limiting mechanism Spring Cloud Gateway filter factory Spring Cloud Gateway contains many built-in routing assertion factories. All of these assertions match different attributes of the HTTP request. You can combine multipl ...

1, Background introduction Log management in the project is one of the basic functions. Different users and scenarios have specific requirements for logs, so different strategies need to be used for log collection and management. If it is a distributed project, the log system design is more complex. Log type: business operation, information p ...

Foreword: we all know that HashMap is thread unsafe and is not recommended to be used in multi-threaded environment, but where is its thread unsafe? This paper will decrypt this problem. 1.jdk1. HashMap in 7 In jdk1 Many optimizations have been made to HashMap in 8. Here, we first analyze it in jdk1 7, I believe you all know in jdk1 7. ...

⭐ Introduction ⭐ ️ Hello, I'm Zhijie. There is only one month left for the countdown of the provincial competition of the Blue Bridge Cup. If you have practiced the real problem for nearly seven or eight years, you can obviously feel that the difficulty of the Blue Bridge Cup is becoming more and more difficult. Although it is far from being ...

preface Congratulations to all the friends who read this article for successfully unlocking the advanced features of RabbitMQ series Contents of dead letter queue 🎁 Through this article, you will clearly understand: what is dead letter? What is a dead letter queue? How to use the dead letter queue? etc. 😄 Finally, Xiaoming will he ...

I'm kangarooking, not my brother's brother. An Internet worm "gua" cow, sincerely share experience and technical dry goods. I hope my article is helpful to you. Pay attention to me and make a little progress every day ❗ ❗ ❗ preface This article is applicable to the following groups: The old fellow who wanted to change jobs rec ...

Welcome to WeChat official account: FSA full stack operation 👋 1, Foreword Design pattern is a guide to solve specific problems in software engineering. We often say that there are 23 design patterns in Java. As a better Java, Kotlin with multi paradigm has many new language features. What improvements can be made when using the design pat ...

Java annotation Introduction to annotation Annotation is from jdk5 0 began to introduce new technologies that can be used for checking and constraints Function of Annotation: It's not the procedure itself. It can be explained (this is no different from a comment.)It can be read by other programs (such as compiler, etc.) Format of An ...

1. Implementation of spring connection database (JDBC) Spring has done a lot of encapsulation for JDBC, eliminating redundant code and greatly reducing the development cost. Let's learn about the operation of JDBC in spring through an example. 1) Create data table structure CREATE TABLE user ( id int(1) NOT NULL auto increment, name v ...

Official learning documents Introduction to MyBatis mybatis is a persistence layer framework written in Java. He encapsulates many details of jdbc operation, so that developers only need to care about the sql statement itself, without paying attention to the complex processes such as registering drivers and creating connections. It uses t ...