Use PHP with Identi.ca, Part 2 : List, search, and post microblog updates to Identi.ca with PHP and the StatusNet API
Charting for mobile with the Dojo Toolkit : Easily develop a charting application for mobile devices
Develop a Spring client for Android to a JAX-RS web service : Learn to create a Spring Android client

Use PHP with Identi.ca, Part 1 : List, search, and post microblog updates to Identi.ca with PHP and the StatusNet API
HTML5 fundamentals, Part 4: The final touch : The canvas
Reverse Ajax, Part 1: Introduction to Comet : Streaming and long polling for responsive communication between your server and client
MVVM and jQuery: Designing Maintainable, Fast and Versatile Sites
Building Mobile JavaScript WebApps With Backbone.js & jQuery: Part I
Reverse Ajax, Part 2: WebSockets : A powerful solution (despite some server constraints)
User interface design for the mobile web : Best practices for designing applications for multiple device platforms
Create GPS-enabling web applications : Build a location-enabled news feed with PHP, XML, jQuery, and an in-browser GPS
Get started with the JavaScript language, Part 1: JavaScript language fundamentals
Get started with the JavaScript language, Part 2: Events, cookies, timing, and more