The video tutorial below shows how to use the performance tools that come with the Apple development kit to find memory leaks in Cocoa and Cocoa Touch code.

The video tutorial below covers how to create an application without using a nib file. This is a quick tutorial, if you have any question feel free to leave a comment.

Here is a short video tutorial on how to setup an iPhone application to load in any orientation (landscape in this case) and with the status bar hidden. You can grab a sample project below.