The largest data structure in Java: LinkedHashMap?

Author: Monarudohttps://www.jianshu.com/p/06a0fd962e0b There are many Map families, of which HashMap And Concurrent HashMap are the most used, while LinkedHashMap seems to be less useful, but it has a sequence.There are two types, one is the adding order, the other is the access order. LinkedHashMap inherits HashMap .So if it's you, how do yo ...

Posted on Tue, 16 Jun 2020 21:01:57 -0400 by aboldock

Alibaba Nacos configuration center of Spring Cloud series

Introduction to Nacos       Nacos is an open source tool launched by Alibaba company, which is used to realize service discovery and Configuration management of distributed system. The English full name is Dynamic Naming and Configuration Service. Na is Naming/NameServer, i.e. registration center. co is Configuration, i.e. Configuration ce ...

Posted on Tue, 16 Jun 2020 03:16:20 -0400 by david_s0

Super practical Nginx minimalist tutorial, covering common scenes

By dunwuhttps://github.com/dunwu/ngin... summary What is Nginx? Nginx (engine x) is a lightweight Web server, reverse proxy server and email (IMAP/POP3) proxy server. What is reverse proxy? Reverse Proxy means that the proxy server accepts the connection request on the internet, then forwards the request to the server on the internal network ...

Posted on Tue, 16 Jun 2020 00:04:55 -0400 by jongretar

Spring AOP Learning Notes 03: Acquisition Enhancer for Core Implementation of AOP

  Above Describes how spring opens AOP, simply by registering the AnnotationAwareAspectJAutoProxyCreator class with the container, because this class eventually implements the BeanPostProcessor interface and completes the creation of the AOP proxy object in its postProcessAfterInitialization() method when the bean init method is executedAfter ...

Posted on Mon, 15 Jun 2020 22:49:31 -0400 by sm

SpringMVC Chapter 3 (Request redirection and forwarding, exception handling, interceptor, SSM integration)

I am a sophomore major in Internet of Things Engineering, and a small wave in the Internet. Blogging is to record my learning process, and I hope to help many of them in their infancy.Linyuan admires fish, so it's better to go back and make a net.Let's come on together! Blog Home Page: https://blog.cs ...

Posted on Mon, 15 Jun 2020 21:41:25 -0400 by SsirhC

Spring Boot Global Profile

2.1.5 Global Profile The global profile can modify some default configuration values.Spring Boot uses oneApplication.propertiesorApplication.yml/applicationThe.Yaml file acts as a global configuration file and is placed in the [src/main/resources] directory or in the [config] of the class path. Typically placed in the resources directory. We c ...

Posted on Mon, 15 Jun 2020 18:19:02 -0400 by MtPHP2

springboot is a set of distributed locks based on Redisson, which supports annotation and el expression

1. Background Recently, there is an urgent need for a set of distributed locks in the project to solve the concurrency problem of some interfaces, and various data are collected on the Internet. Combined with its own project scenario, it relies on Redis to implement a set of distributed locks, which ...

Posted on Sun, 14 Jun 2020 23:38:45 -0400 by Reviresco

Please don't use this JSON package in JDK 7 +!

Source: mAysWINd www.cnblogs.com/mayswind/p/9222245.html Introduction to JSON Lib Json lib is a commonly used Json Library in Java before. The last version is 2.4, which supports JDK 1.3 and 1.5 respectively. The last update time is December 14, 2010. Although it has not been maintained for many years, search on search engines“ Java Jso ...

Posted on Sun, 14 Jun 2020 22:50:12 -0400 by m00gzilla

The reentrant distributed lock commanded by the boss was finally perfectly implemented ~

Redo is always easier than transform Recently, I am working on a project to fully integrate an implementation system from another company (hereinafter referred to as the old system) into my own company's system (hereinafter referred to as the new system), which requires that the functions implemented ...

Posted on Sun, 14 Jun 2020 20:26:06 -0400 by BillyMako

The reentrant distributed lock commanded by the boss has finally been perfectly implemented!!!

Redo is always easier than transform Recently, I am working on a project to fully integrate an implementation system from another company (hereinafter referred to as the old system) into my own company's system (hereinafter referred to as the new system), which requires that the functions implemented by the other party be fully implemented in t ...

Posted on Sun, 14 Jun 2020 19:46:59 -0400 by scorphus