November 2011
Intermediate to advanced
528 pages
10h 14m
English
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Chapter 11. Basic Core Data
At this point, you’ve implemented an application that keeps track of an array of objects, takes care of undo, and handles saving and loading from a file. As you can imagine, there are an awful lot of applications like the one you just wrote.
Apple decided to make this type of application extremely easy to write:
• NSArrayController will hold on to an array of objects.
• Bindings will eliminate much of the glue code that would be necessary to keep the model objects in sync with the views.
• NSManagedObjectContext will observe the instance variables of your data objects and will take care of undo for you and loading and saving the data.
So, the punchline is: Using Core Data and bindings, the RaiseMan application that ...
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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.