November 2013
Intermediate to advanced
576 pages
19h 3m
English
book
iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
by Kyle Richter, Joe Keeley
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
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Running in a Dispatch Queue
Dispatch queues are provided by Grand Central Dispatch to execute blocks of code in a managed environment. GCD is designed to maximize concurrency and take full advantage of multicore processing power by managing the number of threads allocated to a queue dynamically based on the status of the system.
GCD offers three types of queues: the main queue, concurrent queues, and serial queues. The main queue is a special queue created by the system, which is tied to the application’s main thread. In iOS, three concurrent queues are available: the high-, normal-, and low-priority queues. Serial queues can be created by the application and must be managed like any other application resource. The sample app demonstrates using ...
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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.