Acknowledgments from Tim Isted

Although writing a book notoriously takes longer than expected, I’ve certainly pushed the boundaries on this one. I have a vivid memory of the moment the words “Core Data” appeared on a slide at Apple’s announcement of iPhone SDK 3.0. Half an hour later, Chuck and I were discussing the outline for a book dedicated to Core Data on iPhone. That was back in June 2009.

Since then, the iPhone OS has become iOS, the iPad was released, iPhone 4 appeared, multitasking was introduced, Xcode 4 went public, and the goal posts kept moving. It’s hard to pick a time to publish a book on something that changes so frequently, but putting overall iOS changes aside, the Core Data framework (and certainly its API) has remained fairly ...

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