Deploying rabbitMQ image cluster
rabbit MQ: 3.8.5
Erlang: Official recommended minimum 21.3 recommended 22.x
The memory no ...
Posted by JayBachatero on Tue, 30 Jun 2020 03:06:29 +0200
By reading this blog, you can learn about java's reflection mechanism and how to use custom annotations to solve everyday R&D problems based on the spring lifecycle.
In daily R&D, it is common to encounter an action triggered by Business A and at the same time trigger the action of Business B. This form of ...
Posted by rross46 on Mon, 29 Jun 2020 18:57:16 +0200
Singleton mode is one of the creation modes. In our software development process, there are many classes that are only created once globally, such as app framework class, global management class, configuration file, log, database, etc. Using singleton mode can make our code elegant.
The UML class diagram and C++ sample code are given below:
Posted by mightymaster on Mon, 29 Jun 2020 18:15:58 +0200
By kaliarch Link: https://juejin.im/post/5e02fb...
Background: Recently, there are some puzzles about the function of etcd in k8s application. If we study it alone, we can better understand some characteristics of k8s.
1.1 introduction to etcd
Etcd is an open source project launched by CoreOS team in June 2013. Its goal is to bu ...
Posted by alco19357 on Mon, 29 Jun 2020 12:25:04 +0200
Using Golang to develop stagers
Last article The development of MSF stages is not completely to the North (1) We talked about how to use c to develop the stagers of msf. In this article, we discussed how to use Golang to achieve the same function
Train of thought
In Golang, it's important to know how to get the file descriptor of socket. In ...
Posted by pirri on Mon, 29 Jun 2020 11:17:12 +0200
1, Private key
in this lesson, we will continue to register the Token, which is to backup the private key. Each public chain will have a private key, but it is different. There are four private keys in MAC. namely
Wallet key is one of the necessary information to open MAC wallet. ...
Posted by doodmon on Mon, 29 Jun 2020 10:36:56 +0200
Part of the inspiration comes from the article Java Concurrent Programming -- Lock
1. If h==t is true, h and T are both null or the same specific node, and there is no successor node. false is returned.2. If h!=t holds, head.next Whether it is null. If it is null, it returns true. When h!=t and h.next==null?? , may appear the first tim ...
Posted by ram4nd on Mon, 29 Jun 2020 09:57:37 +0200
Declaration and creation of gesture monitor
The statement is as follows:
private GestureDetector detector = null;// Declare a gesture monitor
Create the following:
// Create a GestureDetector object and override the relevant methods
detector = new GestureDetector(this, new GestureDe ...
Posted by shadownet on Mon, 29 Jun 2020 09:45:43 +0200
<h1>Self cultivation of the whole stack: using @ vue/cli vue.js Environment construction</h1>
Success, real success, is being willing to do the things that other people are not. Success, real success, is willing to do what others don't want to do.
Table of Contents
When you read this article, I think you are interested in h ...
Posted by haddydaddy on Mon, 29 Jun 2020 09:27:29 +0200
1. What is a deadlock? What's the harm?
1.1 what is deadlock?
Occurs in concurrency
[mutually exclusive]: when two (or more) threads (or processes) hold each other's resources required by each other, but do not actively release them, all of them can't move forward, resulting in endless blocking o ...
Posted by ollmorris on Mon, 29 Jun 2020 08:23:19 +0200