Processing of @Enable AutoConfiguration Annotation @AutoConfiguration Import Selector Annotation

Java and Spring Boot novice, the first attempt to source code analysis, welcome to correct!   I. Overview @ The Enable AutoConfiguration annotation is the master switch configured for automatic loading in Spring Boot. This article will start with @Enable AutoConfiguration and try to enhance Spring Boot understanding through source code analy ...

Posted by ghjr on Wed, 09 Oct 2019 18:35:56 -0700

axios source code parsing (middle) code structure

The latest version of axios is v0.19.0. In this section, we will analyze its implementation source code. First, we get its source code through gitHub address, address: https://github.com/axios/axios/tree/v0.19.0 After downloading, you can see the directory structure of axios. There is an index.js file in the home directory. The file is relative ...

Posted by SystemWisdom on Wed, 09 Oct 2019 17:03:37 -0700

Js-web-api (Dom Bom Event Binding Ajax Request Storage)

Dom operation html is a special structure of xml dom: browsers structure the html code they get into a model that browsers can recognize and js can operate on Obtaining DOM Nodes var div1=document.getElementById('div1');//element Var divList = document. getElements ByTagName ('div'); // collecti ...

Posted by versatilewt on Wed, 09 Oct 2019 15:43:26 -0700

FRR Learning Day 6 - EVPN Centralized L3 Gateway

EVPN Centralized L3 Gateway--Trans-subnet Message Forwarding spine configuration Interface Configuration sudo ip link add vbdif10 type bridge sudo ip link add vbdif20 type bridge sudo ip link set vbdif10 up sudo ip link set vbdif20 up sudo ip link add vxlan20 type vxlan id 20 local 192.168.59.130 dstport 4789 nolearning sudo ip link add vxlan1 ...

Posted by MishieMoo on Wed, 09 Oct 2019 14:05:06 -0700

Class and Object Foundation

Catalog Introduction to Object-Oriented Programming PROCESS-ORIENTED PROGRAMMING object-oriented programming Classes and objects Definition class Object creation and use Search order of objects and classes Object binding method Small exercises In ...

Posted by kb9yjg on Wed, 09 Oct 2019 13:37:38 -0700

Analysis of the Principle of Go map

In the process of using map, two problems are often encountered: read-write conflict and traversal disorder. Why is this so? How is the bottom achieved? With these two problems, I have a simple understanding of the map add-delete check and traversal implementation. structure hmap type hmap struct { // Note: the format of the hmap is also en ...

Posted by shurrupak on Wed, 09 Oct 2019 12:06:35 -0700

Spring Boot 2.x Basic Tutorial: Swagger Interface Classification and Detailed Explanation of Element Sorting Problem

Previously adopted Spring Boot 2.x basic tutorial: building powerful API documents with Swagger2 In this article, we learned how to use Swagger to automatically generate API documents for Spring Book projects. Many users left messages asking about the organization and sorting of document content. So, I'll start a special article detailing how S ...

Posted by justinwhite93 on Wed, 09 Oct 2019 10:41:05 -0700

Day015-xml module of Python module learning

xml extends markup language, which can be used to mark data and define data types. xml is a source language that allows users to define their own markup language. ElementTree is python's XML processing module, which provides a lightweight object model. When using the ElementTree module, you need the operation of import xml.etree.ElementTree. E ...

Posted by psychosquirrel on Wed, 09 Oct 2019 09:33:33 -0700

LongAdder Source Code Analysis of Dead java Atoms

(mobile phone horizontal screen source code is more convenient) problem (1) why do we need to add LongAdder in java8? (2) How to implement LongAdder? (3) Comparison between Long Adder and Atomic Long? brief introduction LongAdder is a new atomic class in Java 8. In multithreaded environments, LongAdder performs much better than AtomicLong, esp ...

Posted by cneale on Wed, 09 Oct 2019 04:55:17 -0700

java Foundation (17): Packaging Classes, System, Math, Arrays, Big Data Operations

1. Basic types of packaging Recall that in the third article, when we learned about the basic data types in Java, we said that there are eight basic data types in Java, but these data are basic data, and it is very difficult to perform complex operations on them. What shall I do? 1.1 Summary of Basic Types of Packaging Classes In the actual ...

Posted by khalidorama on Wed, 09 Oct 2019 04:00:22 -0700