The factory mode of design mode is the strongest in history. It's hard to argue against it!

Design pattern is a high-level abstract summary of various codes written in your actual work. If you don't learn design pattern, the abstraction ability will certainly not be too strong. There are 23 common design patterns. Today we only talk about the simplest factory pattern.Factory mode is a creation mode, which obtains new objects one by on ...

Posted on Tue, 07 Dec 2021 01:46:08 -0500 by sheffrem

How to integrate custom SPI with sentinel to realize fuse current limiting

preface We talked before Talk about how to implement an SPI with interceptor function . At that time, the core idea of our implementation was to use responsibility chain + dynamic agent. Today, let's talk about how to integrate sentinel to realize fuse current limiting through dynamic agent Pre knowledge Introduction to alibaba sentinel Se ...

Posted on Tue, 07 Dec 2021 03:39:45 -0500 by alexinjamestown

java version of gRPC practice 6: the client dynamically obtains the server address

Links to the full series of "java version gRPC actual combat"Generate code with protoService publishing and invocationServer streamClient streamBidirectional flowThe client dynamically obtains the server addressRegistration discovery based on eurekaWhy does the client get the server address dynamicallyThis article is the sixth in the ...

Posted on Tue, 07 Dec 2021 01:50:26 -0500 by Jaguar

Research on MySQL coding

preface It was in 2002, and MySQL 4.1 began to support UTF-8 coding RFC 2279 It is stipulated that the code uses 1 ~ 6 bytes to store a single character, and MySQL developers checked it in September of the same year Source code The UTF-8 encoding is changed from the maximum 6 bytes to 3 bytes, so there is the current UTF8MB3. As we all know, U ...

Posted on Tue, 07 Dec 2021 02:36:02 -0500 by misterguru

Summary of common Spring Boot annotations

  Summary of common Spring Boot annotations 1, Start annotation @ SpringBootApplication @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) @Documented @Inherited @SpringBootConfiguration @EnableAutoConfiguration @ComponentScan(excludeFilters = { @Filter(type = FilterType.CUSTOM, classes = TypeExcludeFilter.class), @Filter(type = ...

Posted on Tue, 07 Dec 2021 01:46:28 -0500 by AMV

SpringBoot integrates Spring Cache to simplify distributed cache development

prefaceLast blog post, we This paper deeply introduces the integration of spring boot and Redis We use RedisTemplate or StringRedisTemplate to select different data structures in combination with scenarios, which will cause the cache code and business code to be tightly coupled. Is there a simpler way?Answer: Yes, SpringCache.In this blog post, ...

Posted on Tue, 07 Dec 2021 03:34:41 -0500 by siri