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Sample code for the objc.io Core Data book

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> When we receive a did-save notification, we call `notifyAboutChangedObjects(from notification:)`, which, in turn, calls `processChangedLocalObjects(_:)`. That method will then distribute the objects to all change processors Calling `notify...` happens...

What is the point of this? Why set the fetchLimit to 2 and then fatal error if two objects are returned?

I'm getting this CoreData error in my crash reporter but I'm unable to reproduce it. The crashing lines: * [SyncCoordinator](https://github.com/objcio/core-data/blob/master/Moody/MoodySync/SyncCoordinator.swift#L178) * [Managed](https://github.com/objcio/core-data/blob/master/SharedCode/Managed.swift#L88) The error message: > Fatal error: 'try!' expression...

Just purchased your book thank you for writing this I am finding it very helpful already. I've downloaded "core-data-master" from GitHub, updated all settings per instructions including addition of Mood...

NSPersistentContainer's `newBackgroundContext()` documentation states that the created context is setup to automatically consume didSave notifications. Yet, the syncContext in SyncContextOwner still merges changes [manually](https://github.com/objcio/core-data/blob/master/Moody/MoodySync/SyncContextOwner.swift#L66) on the main context's didSave. Is...

When attempting to run Sample Project Chapter 1.1 and 1.2 I get the following error on the Utilities.swift file: > Binary operator '===' cannot be applied to operands of type...