Web Foundation - JavaScript

Article Directory DOM Simple Learning: To meet case requirements Event Simple Learning BOM: 1. Concepts: Browser Object Model Browser Object Model 2. Composition: 3. Window: Window Object 4. Location: Address bar object DOM: Concepts: Core DOM model: HTML DOM Event monitoring mechanism: DOM ...

Posted on Wed, 22 Jan 2020 18:09:39 -0800 by Jramz

MyBatis reverse engineering: automatically generate model, xml Mapping file and mapper interface according to data table

Use of MyBatis Generator (MBG) MBG can generate the corresponding model, xml Mapping file and mapper interface according to the data table, which is just a simple generation and needs to be modified according to the needs.   1. Download jar package https://github.com/mybatis/generator/releases After decompression, there are three jar packages, ...

Posted on Wed, 22 Jan 2020 07:40:32 -0800 by ATLien

linux big data cluster building -- cloud server hadoop cluster building

Catalog Step 1: hadoop package download Step 2: upload the apache hadoop package and extract it Step 3: modify the configuration file 1 modify core-site.xml 2 modify hdfs-site.xml 3 modify hadoop-env.sh 4 modify mapred-site.xml 5 modify yarn-site.xml 6 modify mapred env.sh 7 modify slaves ...

Posted on Wed, 22 Jan 2020 02:21:33 -0800 by MortimerJazz

Annotations at the core of the MyBatis framework use resultMap and multitable queries

A few days ago, I found annotations troublesome and suddenly realized that compared to the traditional mapper.xml+ interface, XML uses interface mapping more troublesome, so we can use annotations to simplify development. Here is a brief introduction to the use of @Results, @Result, @One and @Many. This ...

Posted on Tue, 21 Jan 2020 17:46:12 -0800 by Jebs

Android multichannel configuration

Multichannel packaging is not a new technology for a long time. There are thousands of online searches, but for developers who have not used it, they are confused after reading the articles that are copied and copied online, and they can not find the multichannel configuration that meets their own needs ...

Posted on Tue, 21 Jan 2020 03:31:15 -0800 by Kitara

Sketch - three and a half sentences - recite apk

1. demand At the annual meeting of the company, each department is required to produce a program. Our interface is the skit "three sentences and a half". Four people, each of them say a sentence, but the line is too long, so they wrote a demo to recite the line. In the final 10 programs of t ...

Posted on Mon, 20 Jan 2020 10:48:02 -0800 by leena86

KVM virtualization Foundation

About virtualization What is virtualization In computer technology, Virtualization (Technology) or Virtualization (English: virtualization) is a kind of resource management technology, which abstracts and transforms various physical resources (CPU, memory, disk space, network adapter, etc.) of a computer and presents them for partition and co ...

Posted on Sun, 19 Jan 2020 18:42:53 -0800 by sneha1234

TomCat quick start

primary coverage 1. Review of web related concepts 2. web server software: Tomcat 3. Getting started with Servlet Review of web related concepts 1. Software architecture 1. C/S: client / server 2. B/S: Browser / server 2. Resource classification 1. Static resource: after all users access, ...

Posted on Sun, 19 Jan 2020 06:10:57 -0800 by El Ornitorrico

SSM framework note 01: MyBatis

1, What is MyBatis (1) MyBatis overview MyBatis is an excellent persistence framework that supports normal SQL queries, stored procedures, and advanced mapping. MyBatis eliminates almost all manual setup of JDBC code and parameters and retrieval of result sets. MyBatis uses simple XML or annotations f ...

Posted on Sun, 19 Jan 2020 00:08:14 -0800 by dannymc1983

The construction of spring MVC project development environment

1. Using Maven to create a simple java web project 2. Add the package needed to use spring MVC in pom.xml <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.2.2.RELEASE</version> </dependency& ...

Posted on Sat, 18 Jan 2020 22:49:45 -0800 by Sanjib Sinha