An iOS version of my Gloss Gradient drawing code
Two persistent stores with one NSPersistentStoreCoordinator
A full set of "single line Core Data fetch" methods
Pulling data from an RSS feed
Getting the GPS location
Caching data in the Application Support directory
Function to create a two point CGGradientRef from two UIColors
An example of using a category as an Adapter interface
Scrolling a text field that isn't in a table
A Core Data Postcode database
A flexible, reusable controller/table/cell structure
A CheckmarkCell that self-manages radio button style selection
Forward geocoding using Google's Maps API

Big Nerd Ranch Cocoa programming