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This article refers to the Twoqueues caching model, which is to say that data is cached in memory. In any language, you might want to put some data in memory, avoiding duplication and reading. The most common scenario is the jquery selector, where

In S. For, you can traverse the dominant property of an object or array, which means that our own defined attributes are traversed, and those that are already on the prototype are the ones that are available by default, such as:

Some time ago the company made a relatively large project, need to use OCX control, I plant most of the projects are used C#.net, and WinForm program with OCX control interface is relatively simple, but the JavaScript call OCX interface, but and

Introduction Control sub page in parent page Control parent page in sub-page First, a primer Let's take a look at an example, there are two pages, 1.html embedded 2.html through the IFRAME, two pages are the same domain 1.html

Programmers who are familiar with web development must not be unfamiliar with Ajax. Now there are many JS frameworks that encapsulate Ajax implementations, such as JQuery's Ajax functions, which are very handy to call. Of course this article does

Event delegation, also called an event delegate. is a common technique for binding events commonly used in JavaScript. As the name implies, "event Agent" is to delegate the original need to bind the event to the parent element, so that the parent

For example, the ie10-version is in accordance with the general only support attachevent and not support AddEventListener, but to IE11, but in turn only support AddEventListener and not support attachevent. This alone can tell IE is a big hole, the

Generally in programming, we will define functions and variables to successfully construct our system. But how does the parser find the data (functions, variables)? What happens when we refer to the object we need? Many ECMAScript programmers know

JS calls local database main JS file var HD = { Is_db:null, Uid:null, Ukey:null, ShortName: ' HD ', Version: ' 1.0 ', DisplayName: ' hd_2345 ', maxsize:100000, Data:null, Other:null, Login:null, Index:null, Creating a Database Initdatabase:function (

Take the process of Hadoop as an example, you can view it as a common Java process 1.tmpwatchman Tmpwatch can see that tmpwatch is used to remove some temporary file name that was not used at the time tmpwatch-removes files which haven ' t been

Recently interested in the V8 JavaScript engine, found that PHP has a v8js extension, on its own MacBook Air mounted a play, recording the installation process. 1. Install V8 Javscript engine. Follow the instructions on the wiki

Article Introduction: the most popular JavaScript library jquery no longer supports older versions of IE. Until JQuery2.0 's release, the popular jquery JavaScript library has reached an important milestone. The 2.0 version shrank by 12

Article Introduction: Whether you know anything about jquery mobile or have a lot of interest in it, you've started using it as a project developer, and you're welcome to join this JQM learning trip. Whether you know anything about

Article Introduction: the long-awaited 2012 best jquery plugin was unveiled. Recently, the famous foreign blog Wdl released the 2012 best JQuery plug-ins. Since its release in 2006, JQuery has been the most popular and widely used

Version featuresVersion Features 2d/3d Map Perfect ConversionCool 3D map, enjoy three-dimensional city. The highest accuracy to 5 meters, show you see each side of the building. See the overpass level, no longer miss the exit. HD Satellite mapA 400

Before q+, desktop users were still the online experience of local applications and browsers. With 1.0 of the trial, 2.0 of the release, q+ will be a ready to participate in different depths and levels of the Internet life platform. After release

Original: Understanding Progressive enhancement Author: Aaron Gustafson Translator: Empty curtains @ Taobao UED Since 1994, the Web development community has been called the "smooth degradation (graceful degradation)" drum. This is a concept

Many modern browsers have a search box on the right side of the address bar, and the default installation is Google search. As shown in the following figure In fact, this is an application of opensearch, as long as the corresponding micro-format

Believe that every front-end engineers have their favorite JavaScript frame, said emotion or faith, JavaScript framework to bring people is not only convenient development, there is a pure logical beauty, whether it is the simplicity of jquery, or

First of all, to wait for the release of yesterday's friends say sorry. The 1.2PR1, which was scheduled to be released yesterday, was postponed to today, 1.1.5 released as official version number. The following features are mainly added 1.