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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Challenge: Persist Page Setup
The configuration changes made in the Page Setup sheet are document-specific. Cocoa does not provide any automatic support for persisting these settings, however. It is your responsibility to save and load them. Fortunately, NSPrintInfo (stored in the document’s printInfo property) conforms to NSCoding. Modify the Document class to archive the printInfo along with the employees array when saving, and vice-versa when loading.
This is not quite as straightforward as it sounds. For one thing, the file format of rsmn files is simply an archived array. It makes no allowances for additional information. You will need to change the format. A popular pattern for this is to use a dictionary as the top level object ...
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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.