November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
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Other Default Data Setup Techniques
There are two other default data setup techniques that are commonly used: data model version migrations and loading data from a Web service or an API.
Core Data managed object models are versioned. Core Data understands the relationship between the managed object model and the current data store. If the managed object model changes and is no longer compatible with the data store (for example, if an attribute is added to an entity), Core Data will not be able to initiate the persistent store object using the existing data store and new managed object model. In that case, a migration is required to update the existing data store to match the updated managed object model. In many cases Core Data can perform the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.