Understanding is the best way to remember how a linked ④ pseudo-class in CSS is ordered

Understanding is the best way to remember how a linked ④ pseudo-class in CSS is orderedIn CSS, a tag has 4 pseudo-classes, namely:a:link, a:visited, a:hover, a:activeA little bit of knowledge of the front-end ER are aware that 4 pseudo-classes are

MVC implementation Upload video preview

The last project used to upload video, originally intended to use Baidu's Webuploader do, but Webuploader may have a problem is not upload too big things.As a result, can only change a way to do Ah, see a half-day finally decided to use the

CSS3 Animation 2 (Transform usage)

1. Write directly in the style, such as a small arrow,transform:rotate (135deg) can2. Write the animation process,@keyframes and transform and animation together withWritten in @keyframes minify{0%{Transform:scale (1);-webkit-transform

PHP using composer

Before written related to the composer, then met a few friends asked me, I tidied up a bit, convenient for everyone to check in the future ~ ~ Do not play open source programmer is not a good cook    1. Perform online installation         CURL-SS

The combination mode in PHP

Just read the "in-depth PHP object-oriented, mode and practice," a book of the combination of the content, in order to deepen understanding and memory, so began to write this blog.To facilitate subsequent comprehension, two concepts, local objects,

Architecture of small e-commerce websites

Ext: Architecture of the small e-commerce websiteAnother year end, this year, from the traditional software industry into the e-commerce enterprises, is a career change it. At first, I feel that the e-commerce site has no technical content, and

Collision problem caused by improper design of verification code in web Security development

Thanks to an e-commerce platform security engineer Feiyu with me to discuss this bug fix. In the past, in the process of security testing, there are often problems caused by the verification code, even in some banks or e-commerce login and check the

mvc-framework.class.php

Core Startup classClass framework{Get the project up and uppublic static function run () {echo "Running ...";Self::init ();Self::autoload ();Self::router ();}Initialize methodpublic static function init () {Define path, get current working path

PHP File Upload $_files global variable usage Introduction

Let's take a look at the use of the variables in filesThe $_files Super global variable is special, and is the only two-dimensional array in a predefined super-global array. The role is to store various information about uploading files that are

Native HTML5 input Type=file button UI Customization

Native too uglyRaise the value of YanImplement scenario one, set Input[type=file] transparency to 0, use an absolute positioning matte above the custom button label layer.1 DOCTYPE HTML>2 HTML>3 Head>4 MetaCharSet= "Utf-8" />5

Css:first-child selector and HTML DOM firstchild properties

CSS Selector Reference Manual instanceSelect each element that belongs to the first child element of its parent element and set the style for it:p:first-child{Background-color:yellow;}Try it yourself.Browser support IE Firefox

ASP to simulate POST request asynchronous data submission method

This article mainly introduces the ASP to simulate the post request asynchronous data submission method, this article uses msxml2.serverxmlhttp.3.0 to implement the POST request, the need for friends can refer to the followingSometimes need to get

JS Prototype chain understanding

1. Each object has a prototype attribute (__PROTO__)2. The object's prototype (__PROTO__) points to its constructor (Class) of the prototype property3. The prototype property of the constructor (Class) is itself an object, and its prototype (__PROTO_

JS front-end of various face questions

Reprint: http://bbs.blueidea.com/thread-3107428-1-1.html1. The EFG that intercepts the string ABCDEFGAlert (' ABCDEFG '. SUBSTRING (4));2. Determine the most frequently occurring characters in a string and count the number of occurrences/* var str =

Two include of JSP

In JSP, there are two ways to include the specified JSP program or HTML file, respectively, in two forms:1. static include:"fileURL" %>Belongs to the compile-time directive. JSP Engine will be in the conversion period of the JSP program to

Nodejs callback function

Block Code instance:Main.jsvar fs=require ("fs"); var data=fs.readfilesync ("1.txt"); Console.log (data.tostring ()); Console.log (" end of program execution ");Non-blocking code instances:Main.jsvar fs=require ("fs"); Fs.readfile ("1.txt") ,

JSONP processing cross-domain requests

Jsonp requires the front-end and back-end co-ordination to complete Service-Side settings (ASP. NET MVC implementation ) : when you return the Json The packet is inside a method name, as above Client settings: Also add a

First knowledge of jquery

The Lightweight JS LibraryCompatible with various browsers +CSS3Tradition: js+dhtm JQ: Frees up the programming of the client,Environment constructionGo to the official website to get the latest version of http://jquery.com/download/, it is

Implementation principle of vue.js bidirectional binding

The core functions of Vue.js are two, one is the response type data binding system, the other is the component system. This article explores how the Hello World bidirectional binding is implemented in almost all of Vue's introductory introductions.

MVC4 setting Pseudo-static---route pseudo-static

Some customers are required to set up static, in order to complete the requirements, and the simpler way is to set pseudo-static, for Example: http://localhost:80/Home/Index.html, can also access Http://localhost:80/Home/Index This is a relatively

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