November 2012
Beginner
480 pages
12h 18m
English
book
Learning Objective-C 2.0: A Hands-on Guide to Objective-C for Mac and iOS Developers, Second Edition
by Robert Clair
Content preview from Learning Objective-C 2.0: A Hands-on Guide to Objective-C for Mac and iOS Developers, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
16. ARC
Memory management is the bane of programming in Objective-C. Beginners find it confusing and difficult to learn. Even experienced Objective-C programmers seem to have trouble following the rules from time to time. The result is often memory leaks, crashes, and hours spent chasing memory bugs. Over the past years Apple has made several attempts to make the task of memory management less onerous.
The first attempt was garbage collection (GC). In a program that uses garbage collection a separate thread wakes up periodically, examines the program’s memory, and returns objects that are not being used to the heap. Unfortunately, GC impacts performance and has other issues. GC was never available on iOS, and it is deprecated in OS X beginning ...
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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.