learn devops from scratch

. property = value//set, add style attribute.Note: If the attribute is "-" linked, the "-" is removed and the first letter of the following word is capitalized. 2. Inline style and CSS cascading style common wayObject. Currentstyle. Properties IE is used to get the actual style attributes.getComputedStyle (object, null). Firefox is used to get the actual style attributes.Note: You can only get settings that cannot be set.7:dom Additions and deletions changeOne: Create nodes (Notes and document n

event occurs.Event.button: Returns an integer that indicates which mouse button was clicked when the event was triggered. 0 Specify the left mouse button, 1 specifies the mouse wheel, 2 specifies the right mouse button. However, the old version of IE does not comply with the specifications of the Internet , its Button property meaning as follows: 1 left mouse button 2 right mouse button 3 at the same time press 4 wheel 5 left button plus the wheel 6 right button plus the wheel 73 simultaneously

have various problems). Solution: Encapsulate the code separately into two anonymous self-executing functions (function () {' Use strict '; var a = 4;var B = 3;console.log (A + b);}) ();(function () {var c = 6;var D = 7;console.log (c + D);}) ();5: Strict mode changes syntax and behaviorStrict mode has made some changes to JavaScript's syntax and behavior.1 : The global variable is explicitly declared. In normal mode, if a variable is assigned without a declaration, the default is the global va

Object Basics1. OOP2. Object Application3. Type of Object3.1 Local objectsECMA-262T defines local objects (native object) as "objects provided by ECMAScript implementations that are independent of the hosting environment." In simple terms, a local object is a class ( reference type ) defined by ECMA-262.They include:　　　　Object Function Array String BooleanNumber Date RegExp Error evalerrorRangeerror referenceerror syntaxerror TypeError urierror3.2 Built-in objectsECMA-262 defines the built-in ob

ECMAScript Foundation1, grammarSimple.2, variableUse the var operator to add a variable name definition.If the variable name is not declared, the ECMAScript interpreter creates a global variable with the variable.Using "Use strict" is recommended to develop good habits and always declare all variables.3, original value and reference valueIn ECMAScript, variables can hold two types of values:(1) Original value: is a simple data segment stored in the stack, whose values are stored directly in the

enhancement to spring functionality, but rather a way to quickly use spring.Development PreparationDevelopment environment JDK 1.8Development tools (Eclipse)Project management tools (Maven)　　　　　　　　　　　　　　　　　　Hello World's New projectCreate Maven Project (Spring-boot-hello)the pom.xml of Hello WorldSpring Boot Parent dependency, the introduction of this post-related introduction will not need to add a version configuration, Spring boot will automatically select the most appropriate version to add

A project is created:Creating a project is the first step in development.Run Untiy after the first run will pop upWe are here to create a project at random.Two untiy Panel Introduction:Three-code Editor switching:Here I have installed the vs2012.The development of the environment here is basically even good, you can't wait to do the development of the pit. Just a moment, let me introduce some basic knowledge of 3d.First, the axisSpeaking of axes, many students think of the first time may be this

Hello everyone, here is "learn the Web series from scratch" and synchronize updates at the following address ... Github:github.com/daotin/web Public number: The top of the Web front Blog Park: http://www.cnblogs.com/lvonve/ csdn:blog.csdn.net/lvonve/ Here I will start with the Web front End 0 Foundation, step-up learning web-related knowledge points, during the period will also sh

Hello everyone, here is "learn the Web series from scratch" and synchronize updates at the following address ... Github:github.com/daotin/web Public number: The top of the Web front Blog Park: http://www.cnblogs.com/lvonve/ csdn:blog.csdn.net/lvonve/ Here I will start with the Web front End 0 Foundation, step-up learning web-related knowledge points, during the period will also sh

###########################Oracle '-Create TABLE space###########################1. Create a table space test--Query the table space of the current databaseSELECT tablespace_name,extent_management from Dba_tablespaces;--Create a regular table space testCREATE tablespace TestDataFile 'F:\oracletesting\test. DBF' SIZE 100MAutoextend on NEXT 100M MAXSIZE 2048MEXTENT MANAGEMENT LOCAL UNIFORM SIZE 100KSEGMENT SPACE MANAGEMENT MANUAL;January 1, 2015 Thursday 22:09 02 secondsMindong in Hefei, Anhui Pro

supports triggers, stored procedures, functions, events, views, administrative users, and so on. It's also easy to use for beginners.　Its well-designed GUI allows users to create, organize, access and share information in a safe and easy way. Navicat supports Chinese and is available for free version. Http://www.navicat.com Mysqldumper uses PHP-based MySQL database backup and recovery issues. The hundreds of trillion database can be easily backed up and restored without worrying about inte

database storage structure and access policy.c, monitoring the operation of the database (System operation is normal, system efficiency), timely processing of the database system in the course of the problems arising from the operation.D, security management, through the system's permission settings, Integrity control to ensure the security of the system.E, daily maintenance.F. Management of database related documents.(2) System analyst and Database DesignerThe system analyst is responsible for