Ajax stands for Asynchronous JavaScript and XML. In Ajax web application, a client browser can send request to a server to refresh a portion of the page, without the need to browse a totally new page. Ajax has been exists for long as a feature of JavaScript. However, only from the success of Gmail that it shows the power and then become a popular trend of developing web applications.
Using Ajax can give a web application many advantages:
Bandwidth saving: Ajax silently sends a request...

In 1990s, the early years of the Internet, web pages are only able to content texts, some images, and maybe some background music. With the growing up of the Internet, web pages are demanded to have a better capability for presentation of animation, sound and movies. Adobe Flash, and then much lately is Silverlight, has been invented to serve such purposes.
Silverlight is introduced by Microsoft, at about the same time of the publicity of Visual Studio 2008. On presentation aspect, Microsoft...

The .Net framework marked a breaking change to Microsoft Technology. Unlike the classic asp, .net framework does not support a single language, but provide an environment for different languages such as C#, Vb.net, J#, C++. From that unique feature, .net framework gets its advantages of:
- Interoperability: Now developers of different languages can work easily together on the same project. While the code can be in any of the .net supported languages, it can be compile in to assemblies,...

This is not a technical article, just my point of view about PHP.
Presently, PHP and .net framework is two most technologies using to build dynamic websites. The power of .net framework and Visual Studio .net is not deniable. However, the longer I work with .net, the more I love PHP .
Too many things with .net are costly. First, most of professional will use Visual Studio standard or professional version, instead of the free Visual Studio Express. Most of solutions proposals run with...

A common and easy way to move your website to a new host is to change the DNS records attached to the domain. Unfortunately, it is a slow process. In my experience, your domain without www will be updated first, then lately the www one. The frustration come when users complain about losing their post, not being a member even though they already registered, etc., and you just seat there and can not do a thing about it. The confusion come from that visitors are being switched between the two servers,...