JS Learning Note 12_ optimization

I. maintainability optimization 1. Add commentsAnnotations can enhance the readability and maintainability of the code, and of course, the ideal is full of annotations, but this is not realistic. So we just need to add a note to some key places:

PHP Design Pattern-Abstract Factory

Statement: This series of blog reference "Big Talk design mode", author Geoscience.We introduced the simple factory and plant method design pattern, and today we learn the last factory-the abstract factory.case: chasing mm without eating, to

JS Expand & Shrink Two kinds

Document     JS Expand & Shrink Two kinds

PHP Development Tools

Zend StudioZend Studio is a PHP language integrated development Environment (IDE) developed by Zend Technologies Corporation. In addition to strong PHP development support also support HTML, JS, CSS, but only for the PHP language to provide

Countdown native JS

Countdown Body,div{margin:0;padding:0;font-family: "Microsoft Jas Black"; font-size:16px;} #div1 {letter-spacing:3px;width:300px;height:50px;position:absolute;left:50%;top:50%;margin-left:-150px; Margin-top:-50px;background: #ff6000;

Change the configuration method for the site root and default page in Tomcat

1.tomcat the original default root directory is http://localhost:8080, if you want to modify the root directory of access, you can:Locate the Tomcat Server.xml (under the Conf directory) and find:name= "localhost" appBase= "WebApps"

Upgrade PHP to 5.6 under CentOS

Today is just empty to upgrade the PHP environment to version 5.6, first of all, my environment is the source code package compiled LNMP environmentFirst to the PHP official website to download a php5.6 tar package, put on top of the machine, start

Web front-end development engineer "Don't think about it" a few points of knowledge

1. DOM structure--what relationships may exist between two nodes and how to move between nodes arbitrarily.Document.documentelement returns the root node of the document Document.body Document.activeelement returns the tag node (IE) that is being

PHP-MVC News Project Experience-1

These days have been delving into Pengcheng's custom MVC, and his news stories, to learn about the power of MVC. Once again, I salute the great god of Pengcheng-the framework is full of streets, but it does not prevent us from conceiving our own

Comparison of several methods of vertical centering (pure CSS)

Method One content .table {display:table;}. Table-cell {Display:table-cell; vertical-align:middle;}Advantages : Content can dynamically change the height, if you do not need to support IE7 browser, this should be the preferred solution,

Hibernate-get and load differences

Get and load mode is a record based on IDThe difference between get and load is detailed below, because sometimes it is added in order to compare.1. Compare the results from the return:A Org.hibernate.ObjectNotFoundException exception is thrown if

Talking about Ajax

Talking about AjaxThe core technology of Ajax is javascript,xmlhttprequest,dom.XMLHttpRequest, the main communication agent, realizes the asynchronous data interaction between client and server side;DOM, dynamically update the loaded pages for

1.Hibernate Small trial Sledgehammer Hibernate project Environment construction, hibernate project Development Example

1. Import 19 jar Packages HTTP://PAN.BAIDU.COM/S/1SJLXSBB2. Deployment of two XMLHibernate.cfg.xml jdbc:oracle:thin: @localhost: 1521:yanghlscotttigeroracle.jdbc.driver.OracleDriverupdatetruetrueUser.hbm.xmlseq_users 1.Hibernate Small trial

jquery shows several ways to hide dynamic effects

What is jquery?jquery is another excellent JavaScript library following prototype.It is a lightweight JS library, it is compatible with CSS3 and also compatible with various browsers(IE 6.0+, FF 1.5+, Safari 2.0+,Opera 9.0+), jQuery2.0 and

Using hibernate to run the resulting red Word solution, although not affected, but looked uncomfortable

Slf4j:the requested version 1.6 by your SLF4J binding are not compatible with [1.5.5, 1.5.6, 1.5.7, 1.5.8]Slf4j:see Http://www.slf4j.org/codes.html#version_mismatch for further details.Log4j:warn No Appenders could is found for logger (org.hibernate.

websocket++ compilation process

websocket++ is an open source WebSocket library that uses websocket++ to develop websocket-based services.Some time ago successfully compiled websocket++, share, compile the websocket++ process as follows:1. Install Python, this example installs

PHP garbage Collection Mechanism understanding

Use a "reference count" method for recycling. Simply understood, there is a counter in each allocated memory area that records how many variable pointers point to this piece of memory. When the number of pointers to this slice of memory is 0, the

Nginx configuration: Support Phpfastcgi,nginx and php-cgi communication, partial Nginx constant explanation

The following configurations are supported for phpfastcgi:server {Listen 8000;server_name localhost;Root f:/home/projects/test;Index index.php;Location/{Index index.php; # #可以有多个, Space separated}Location ~ \.php$ {Fastcgi_pass

Twebbrowser:determine when a page with Frames is completed

Twebbrowser:determine when a page with Frames is completed6 comments. Current Rating: (3 votes). Leave comments and/or rate it.Question:If I Load a Web page with Twebbrowser This contains frames then theondocumentcomplete () is the hit for each

Regular Expressions matching Chinese Characters

Regular Expressions matching Chinese Characters \ W matches only Chinese characters, numbers, and letters. It is often used only to match Chinese characters. For details, seeCopy codeThe Code is as follows:Regular Expression matching Chinese

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