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
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
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Adding Attributes
To add attributes to an entity, first select the entity in either the graph or the list of entities. Then click the Add Attribute button in the lower part of the editor, just to the left of the Editor Style buttons. Xcode will add an attribute called attribute to the entity. Select a Type for the attribute. (See Table 13.1 for supported data types.) Note that Core Data treats all attributes as Objective-C objects, so if Integer 32 is the selected data type, for example, Core Data will treat the attribute as an NSNumber.
Table 13.1 Core Data Supported Data Types
One thing to note is that Core Data will automatically give each ...
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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.