Web Develop

The JavaScript language execution environment is single thread, which means that only one task can be completed at a time. If you have multiple tasks, you must queue, complete the previous task, and then perform the latter task, and so on.The

In the project after the release often need to modify the bug, to solve the various problems, to upgrade the project, this time will need to be deployed, on-line project update version.This article briefly describes some of the key points that

Do project time often use to the front-end time plug-in, the general will accumulate several sets of programs to use as a variety of situations, but individual projects more troublesome, deep use down or https://github.com/xdan/datetimepickerMore

Animate.css is an interesting, cross-browser CSS3 animation library. Well worth the reference in our project.Usage1. Animate CSS files are introduced first Head > rel= "stylesheet" href= "Animate.min.css"> head>2. Add the specified animation

float floatFloat:left | Right | none |  Inherit floating to the left |  Floating Right |   No style (default) | Inherited· Default width is content width· Out of document Flow· Move in the specified direction· Float elements in the same document

Const Extracttextplugin = require (' Extract-text-webpack-plugin ')//packaged CSS splits, pulling a part outConst WEBPACK = require (' Webpack ');//introduction of the Webpack, using LodashConst Htmlwebpackplugin = require (' Html-webpack-plugin ')//

Reference: http://www.layui.com/doc/modules/upload.htmlFile Upload (The following function must be executed when the JS file is loaded) Upload.render ({elem:' #id ', URL:'/api/upload/', before:function(obj) {//The obj parameter contains the exact

One, blocking IO and non-blocking IOLinux Network IO Model (5 types)(1) Blocking IO modelAll file operations are blocked, and in the case of a socket interface, call recvfrom in process space, which is not returned until the packet arrives and is

# class) (1) name:the fully qualified. NET C Lass name of the persistENT class (or interface), including its assembly name. (2) Table (Optional-defaults to the unqualified class name): The name of the IT database table. (3) Discriminator-value

1, install dotnet-win-x64 https://dotnet.github.io/2, install Dotnetcore.1.0.4_1.1.1-windowshosting.exe https://www.microsoft.com/net/download/windows Run app Environment3, install WINDOWS6.1-KB2999226-X64.MSU4, install repair Vc_redist.x64.exe5,

Absolute positioning when the position of a div block is defined as absolute positioning, it loses the original position of the document flow, and the parent is the baseline (the parent element must be relative to the position if it is not always

The first most common: For loopfor (j = 0; J length; J + +) { }Optimized for Loopfor (j = 0,len=arr.length; J When the array is large, the optimization is more obvious;Second type: foreachArray. ForEach(function(currentvalue, index, arr), thisvalue)

One: Linux network-relatedIfconfig command, if not, install it with the following commandYum Install-y Net-toolsIf you want to disable a network card:Ifdown Ens33Enable NICIfup Ens33Restart the NICIfdown ens33 && ifup ens33Set the virtual NIC ens33:0

DOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Titletitle> style>. Header{Background-color:Antiquewhite; }. Content{padding:20px; }. Hide{Display:None; } style>Head>Body> Divclass= "Item">

HTML Highertext markuplanuage Hypertext Markup Language---tells the structure of the browser text--Header---page bodyelement = start Tag + content + END tagCSS---provides a way to tell the elements in a browser page how to displayStyle

The implementation code is as follows:jquery implements the left folding menu -DOCTYPE HTML>HTMLLang= "en"dir= "ltr"> Head> MetaCharSet= "Utf-8"> title>title> style>#container{width:200px;Height:500px;Border:1px solid Red;

Browser parsing JS mechanismFirst, the operating mechanism of the browserThe browser is multi-process, which contains:1) GPU Process2) third-party plug-in process3) Browser Rendering process4) Browser ProcessThis process is well understood, the

1. InstallationGlobal installation Json-server:npm  install  -g json-serverIf it is a Linux system or Mac system, you need to add sudo in front of the global installation, and then enter the ciphertext password.sudo npm  install  -g json-server2.

Vue.js is a single page application, but not friendly to SEO, Nuxt is based on Vue development of the service-side rendering framework, the final project can be packaged multiple static pages, solve the SEO problem Over-motion effect

There is a need for business today:is to merge multiple pages into a single page display, in the implementation process I generally use two ways: Use the master page to set the navigation bar and navigate to each page; Take advantage of the