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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Fetching by Object ID
When only one specific managed object needs to be fetched, Core Data provides a way to quickly retrieve that managed object without constructing a fetch request. To use this method, you must have the NSManagedObjectID for the managed object.
To get the NSManagedObjectID for a managed object, you must already have fetched or created the managed object. Refer to ICFMovieListViewController in the sample app, in the prepareForSegue:sender: method. In this case, the user has selected a movie from the list, and the view controller is about to segue from the list to the detail view for the selected movie. To inform the detail view controller which movie to display, the objectID for the selected movie is set as a property on 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.