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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Debugging Bindings
Bindings are a powerful feature of Cocoa, but they are notoriously difficult to debug. To a new Cocoa developer (and indeed even to the experienced), they can be quite mysterious. Because they are generally configured in the XIB file it can be difficult to track down the source of a problematic binding. Additionally, because they use strings, the compiler cannot help you by checking that the key actually exists on the object you are attempting to bind to.
The most common problem in using bindings is a key name typo, followed closely by binding to the wrong object. You will see this error at runtime when the related NIB file is opened: an exception will be logged to the console. There will be a couple dozen lines ...
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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.