Programmer Group

1. What is YAML YAML is a recursive abbreviation for "YAML Ain't a Markup Language". YAML actually means "Yet Another Markup Language". The main strength of this voice is data-centric, not markup language. For example, xml language will use a lot of markup. YAML is a highly readable and easy to understand format used to expr ...

Mybatis inserts multiple records using the @ Insert annotation Several methods of converting JSONObject to List In a large software engineering job, if an administrator wants to send messages to multiple users, the front end needs to send an array with user numbers to the back end. Here is a summary of several methods for the back-end to rece ...

Feige's note: This article was written by my colleague Su Hui. The content is more comprehensive and the code is more complete. My last article Why is the PCA calculated by plink different from that calculated by GCTA? Is an introduction, and when this article gives Plink -- the number of PCA samples,, you can calculate the percentage of each P ...

1, Experimental purpose 1. Understand and master the jump principle of transfer instruction 2. Master the method of using call and ret instructions to realize subroutines, and understand and master the parameter transfer mode 3. Understand and master 80 × 25 color character mode display principle 4. Integrate addressing mode and assembly ...

1 case description Using JavaScript, css and html to make a simple message board can also be regarded as a simple comment area. It is required to enter some text in the page text box, click the "publish" button to display the entered text below, re-enter some text, and then click publish to display the newly published content at ...

1 install VMware virtual machine The default installation is OK. If you change the installation location, remember to use the VMware installation directory after the changed location 2. Install RedHat red hat system 2.1 virtual machine settings: Create a new virtual machineCustom (Advanced)Select virtual machine hardware compatibility ...

1, Create local project Because microservice is an aggregate project, we need to create a blank folder locally as the local project workspace. All project modules are in the workspace. Remember that it must be a blank folder without anything in it or any Chinese on the pathOpen idea, select file - > open, go in and select the newly crea ...

pojo package com.kuang.pojo; public class Hello { private String str; public String getStr() { return str; } public void setStr(String str) { this.str = str; } @Override public String toString() { return "Hello{" + "str='" + str + '\'' + '}'; } } xml ...

catalogue 1, Introduction 2, Installing Docker in LInux system (CentOS7)   1. Uninstall the previous version of docker 2. Install Yum utils 3. Set the warehouse address 4. Update yum cache 5. Install the new docker 3, Three basic concepts of Docker 1. Image Tiered storage features of Image 2. Container 3. Repository 4, Docke ...

catalogue 1, Experimental environment 2, Common commands 3, Noun interpretation 1. Switch 2. Switch configuration 3. Port aggregation 4. Port mirroring 5. Port binding 6.VLAN 1, Experimental environment          Switch: H3C S5000P series Ethernet switch 2, Common commands 1.Enter system vie ...