The Strangler App Pattern, by François Beausoleil
Do you have an application you need to replace, but can't afford to shutdown for weeks? Your best option is to use the Strangler Pattern to replace parts of your application URL-space without breaking everything. I will show you two techniques to strangle an application.
Gps Tracking On Rails, by Martin Provencher
How you can use a mobile application to track the location of a phone and use Ruby on Rails to manage the data? In this presentation, Martin will use Sharethebus use case to explain how they are tracking buses throughout North America. Using API calls and asynchronous processing, you'll follow the path of each data point from the phone to the customer interface.