April 2015
Intermediate to advanced
556 pages
17h 47m
English
book
Cocoa Programming for OS X: The Big Nerd Ranch Guide
by Aaron Hillegass, Adam Preble, Nate Chandler
Content preview from Cocoa Programming for OS X: The Big Nerd Ranch Guide
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Working with Foundation Types
In Objective-C, a number of familiar types are implemented as classes as part of the Foundation framework: NSString, NSNumber, NSArray, NSDictionary, and NSSet. Because Cocoa was built for Objective-C, you will often run into these classes when working with the Cocoa APIs. The good news is that Apple has made transitioning between the Swift and Foundation (Objective-C) counterparts relatively painless. They are toll-free bridged, meaning that there is minimal computational cost in converting between the two.
Basic bridging
Swift types are automatically bridged to their Foundation counterparts:
let string = "Howdy" let objcString: NSString = string
The reverse is not true, however: ...
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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.