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Lessons:16Length:11.7 hours
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2.13 KVC & KVO

Here, we’ll walk through Key Value Coding and Key Value Observing. These tools give us a ton of flexibility when structuring our apps. Once we’ve mastered these topics, I’ll show you why they were created by introducing the single most powerful technique in all of Cocoa development. It’s pure magic and it eliminates thousands of lines of code in a complex app!