Disclaimer: Yes, I know about the typo “briding” in screenshots, but I’m lazy to redo all, so please ignore and read the article in peace :-)
Developing iOS application for salesforce [How to]
Here are the collection of snippets to do CRUD operation with ZKSforce (Force.com toolkit for iOS).
Remember this is a SOAP based API, there is a new alternative library available from salesforce called MobileSDK for iOS.
mclock - Additional clock application for mac menu bar
Update (2016-01-20): The app is now available on Mac App store.
Additional menu clock for your Mac. A minimalist clock to display time of different timezone of your choice.
Capture screenshot of the app with iPad simulator
Until recently I was not aware of the shortcut _Ctrl + Cmd + C _
It captures the complete content of the iPad simulator to the clipboard, You can save it to a file by File -> New from Clipboard with preview.app
Advanced iPhone Development - iTunesU
Recent search on iTunes listed the Madison Area Technical College classes on iPhone development by Dr. Brad Larson
Session on OpenGL ES 2.0 recommended by Gurus. Go and download the complete sessions from here
Obj-C | For beginners
A quick obj-c cheat-sheet for the beginners.
This is taken from RWTH-iPhone Application Programming. You can also download complete videos from iTunesU.