In the previous episode, we used the NSManagedObject class to represent and interact with records stored in the persistent store. This works fine, but the syntax is verbose, we can't take advantage of Xcode's autocompletion, and type safety is also an issue.
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Core Data Fundamentals
Subclassing NSManagedObject
by Bart Jacobs in Core Data
Swift 4
Xcode 9
iOS 11
Core Data Fundamentals
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      05:08 
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      01:49 
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      4 Exploring the Core Data Stack 06:46 
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      01:06 
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      6 Setting Up the Core Data Stack 08:31 
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      06:41 
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      11 Working With Managed Objects 08:44 
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      12 Subclassing NSManagedObject 03:53 
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      04:00 
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      03:17 
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      08:22 
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      08:32 
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      01:38 
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      20 Adding Categories to the Mix 08:16 
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      06:17 
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      06:43 
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      06:54 
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      07:03 
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      27 Using a Better Core Data Stack 01:10 
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      08:01 
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      04:27