August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome 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,
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Objective-C
Objective-C is the language used to program the Cocoa toolkit. It is a thin layer on top of C with a little additional syntax, a runtime component, and a big pile of metadata to support the dynamic nature of the language. But fundamentally, Objective-C is still C. Many programmers forget Objective-C’s C heritage and fail to take advantage of C’s language features and libraries.
C callbacks in Objective-C
A question that comes up fairly frequently in online forums is, “How do I put a method into a function pointer?” Nine times out of ten, the poster actually wants to use Cocoa with an existing C API that uses callbacks. A much better question is, “I’m using a C API that uses callbacks with Cocoa, how do I make it work?”
Even though ...
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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.