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Collin Ruffenach

Collin Ruffenach is an iOS Developer with Simple based in Portland, OR. Collin graduated with a B.S. in Computer Systems Engineering and an M.S. in Computer Science in 2010 from Arizona State University. His research revolved around iOS development in home automation based scenarios. Since 2008, Collin has been contributing to iCodeBlog, where since the initial iPhone SDK release he has been posting both articles and screencasts on different iOS programming topics. He also recently contributed to a new book called "Objective-C Fundamentals" by Manning Publishing. You can follow Collin's postings on his twitter: @cruffenach.

iOS SDK: Time Profiling with Instruments

iOS SDK: Time Profiling with Instruments

Instruments is a great tool provided by Apple to let developers hone their applications for the best performance. While incredibly useful, many developers avoid the application for fear of not knowing all the ins and outs of its functionality. Today, I have a few quick tips that you can use in some very basic Instruments use cases. Let’s dive in!

iOS 5 SDK: Storyboards

iOS 5 SDK: Storyboards

Storyboarding is one of the most exciting new features about the iOS 5 SDK. Take a look at the wealth of functionality offered by Storyboards in today’s iOS 5 SDK tutorial!

iOS SDK: Blocks and Enumeration

iOS SDK: Blocks and Enumeration

In iOS 4, Apple brought Blocks to iOS. Put simply, a block is a variable type that stores executable code. This quick tip will provide a brief, general overview of blocks and teach you how to use them for enumerating over objects.