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Ansible batch automation management tool (2) 1. Introduction to Tools and Environment 1.1 Introduction to ansible Tools for batch management servers Managing by ssh without deploying agent s Popular automation tools: https://github.com/ansible/ansible 1.2 Introduction to Jenkins Visual Operations and Maintenance (mainly for Visual Deploym ...

Preface By the time of writing, ThinkPHP 6.0 had entered RC3. ThinkPHP 6.0 is expected to be released this autumn as the last or penultimate RC version before the official version, which means that ThinkPHP 6.0 is becoming more and more perfect and stable, and is a candidate version worth trying. As a result, the thought-queue extension, which ...

Introduction to spring cloud The current version of spring cloud has been updated to Finchley, which supports Springbott version 2.0 or more. The specific version can refer to the table below. Cloud code Boot version (train) Boot version (tested) lifecycle Angle 1.2.x incompatible with 1.3 EOL in July 2017 Brixton 1.3.x 1.4.x 20 ...

I'm very sorry, because I was a little busy yesterday, I didn't write the solution to this problem. I'll make it up today and try to write in more detail so that you can understand it. Look at the meaning of the title: In a distant country, there are beautiful lakes on one side and endless deserts on the other. The administrative division of ...

1. Jump to login page after Auth middleware check That is, they fail the authentication check of the auth middleware, are intercepted by the auth middleware, and then jump to the login page.In this case, Laravel automatically jumps back to the page that was browsed before the user logged in by default.How does auth middleware do this? Open th ...

The go keyword can be used to open a goroutine for task processing, and channel s are needed if communication is required between multiple tasks. func testSimple(){ intChan := make(chan int) go func() { intChan <- 1 }() value := <- intChan fmt.Println("value : ", value) }   A simple example of this is that a newly open ...

HashMap 1.8 hashmap constructor //The 30th power of maximum capacity 2 static final int MAXIMUM_CAPACITY = 1 << 30; //Default load factor static final float DEFAULT_LOAD_FACTOR = 0.75f; ​ //Hash bucket, store list. The length is 2. N The power, or initialization time, is 0. transient Node<K,V>[] table; ...

Every sentence Don't always ask low-level questions. Such people are either lazy, unwilling to search on the Internet, or dumb, and have no ability to think independently. Relevant Reading [Little Spring] Talk about Data Binder in Spring (Source Code Analysis) [Little Spring] Talk about Data Binding in Spring - the Use of Property Accessor an ...

This article is based on thinking about an interesting question, in another of my blog posts.< An Interesting 5 X 5 Square Matrix Painting Problem > It is described in detail. Given its conclusion, as a programmer, I still want to use this problem as a starting point to write a path-finding algorithm that can traverse all possible routes, ...

Introduction to 0.JTA(Java Transaction Manager) (1) jta and jdbc Simply put, jta is a multi-library transaction. jdbc is a single-library transaction. (2) XA and JTA XA: XA is a specification or a transaction protocol. The XA protocol was first proposed by Tuxedo and handed over to the X/Open organization as the interface standard between ...