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1, Delay queue and dead letter queue Dead letter queue: elements are not consumed in time after they are generated and are always stored in the queue. Delay queue: the delay queue has a sequence within the queue. Its most important feature is the delay time. It wants to be taken out and processed after or before the specified time. It is simi ...

preface: Hello, guys, I'm running snail rz. Of course, you can call me snail Jun. I'm a rookie who has studied Java for more than half a year. At the same time, I also have a great dream, that is, to become an excellent Java Architect one day. This SpringBoot basic learning series is used to record the whole process of learning the ...

2021-10-28 SpringBoot+ajax+mysql8 to send mobile phone verification code To realize the above functions, we must first think about what we need. After sorting, we will subdivide the verification code - ① the function of sending verification code ② random 6-digit verification code (several are your favorite). Well, the functional segmentation is ...

Sentinel mode of Redis cluster scheme (high availability) (one master, two slave and three sentinels) Linux: conts7 Redis edition: 5.0.14 Link to the download page on the official website: https://redis.io/download Third party Redis Recommended connection tools: RedisDesktopManager Download from the official website: https://redisdes ...

Cover: clouds on the school basketball court I feel shallow on paper. I never know that I have to practice it Note: the version of SpringBoot in this article is 2.5.2; JDK version is jdk 11 Follow up articles 👉 When sending a request from the browser to the SpringBoot backend, how exactly do you find which interface? (Part II) prefa ...

This is the second study note based on SpringBoot. Due to space reasons, this note may be divided into several articles. Automatic configuration principle We take Http encoding autoconfiguration (Http encoding autoconfiguration) as an example to explain the principle of autoconfiguration //Indicates that this is a configuration class. Like ...

preface Why write an RPC framework? I think from the perspective of personal growth, if a programmer can clearly understand the elements of the RPC framework and master the technologies involved in the RPC framework, such as service registration and discovery, load balancing, serialization protocol, RPC communication protocol, Socket communica ...

Last time ! forget it. That's all.... I used the enhanced Controller to complete the i18n support before. Later, I thought about whether to try the interceptor and aop respectively, and do it as I say First, prepare the dependency rely on <!-- aop --> <dependency> <groupId>org.springframework.boot</groupId> ...

Spring boot combined with hibernate validate verification data learning Hibernate validate data verification dependency has been introduced into the web Start dependency of spring boot. As long as the web Start dependency of the project depends, there is no need to introduce dependency. Dependency introduction <dependency> <grou ...

Author Murong Qianyu Source|   https://www.jianshu.com/p/c806003a8530 preface In actual development projects, an exposed interface often faces many requests. Let's explain the concept of idempotence: the impact of any multiple execution is the same as that of one execution. According to this meaning, the final meaning is that the impa ...