From the category archives:

APIs

Google Maps API Version 3 Tutorial Day 1

Arduino Serial Communication With C++

Best Buy Search API Tutorial

YouTube API Tutorial: How To Get a Video’s Comments Using Raw PHP

YouTube API With Zend Framework Tutorial, Installation

Blogger API Tutorial: How To Get Your Blog’s Posts

Make A “My Latest Tweet” Widget For Your Site With PHP or JQuery

How to Convert Address to GPS Coordinates

oEmbed Tutorial: It’s How Websites Share Content

Zend OAuth With Twitter: Updating A User’s Status

Zend OAuth With Twitter: Authenticating The Users

Zend OAuth With Twitter: Making The Sign In With Twitter Button

Facebook Connect Tutorial: How to make a sign up form