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I started to go to developer.apple.com via "Core Data Tutorial for iOS" Some paragraphs use this "window-based application template" to create a new project that is not present in the xcode (4.5.1) of my code, so I used the "View Single Application" instead. The problem occurs when there is no xcdatamodeld file that should be provided by the template, and app representative properties (such as NSManned Object Contains) are discussed, as well as missing.

What's the updated tutorial from 4.5.1 Apple that covers this content?

Thank you very much. In fact, this tutorial needs to be updated for Xcode 4 and iOS 6.

With some instructions here, the code for the updated tutorial for Xcode 4 is given:

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