Ruby on Rails 1.2 added full support for building RESTful services to the already nice web page support. REST is a conceptually simple idea, yet incredibly powerful. REST is a Web based API to an application. It builds on the basic building blocks of HTTP: URLs and HTTP Methods (think verbs).
A URL (Uniform Resource Locator) [...]

Ajax is a web application development architecture that resembles more of a client-server architecture than traditional web development. In an Ajax application a client application is delivered to the browser consisting of HTML, CSS and JavaScript. The interactions of the client with the server send and receive data, data that the client then knows how to display to the user.

As a hot technology, I was of course interested in learning more so I created a small example application using DOJO, JSON and PHP so that I could play with it a bit. I thought I’d share it with everyone so they could use it as a quick-start example for trying some of these technologies.