The application now supports creating, reading, updating, and deleting notes. And this works fine. But Core Data has another trick up its sleeve.
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Core Data Fundamentals
Introducing the Fetched Results Controller
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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      18 Introducing the Fetched Results Controller 07:03 
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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