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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Blocks
Blocks are a new C language feature, made available in Objective-C and in iOS starting with version 4.0. Since then, Apple has added support for blocks in significant portions of the iOS SDK. Blocks are anonymous functions, which can accept parameters and return a value, and are able to capture the state of the runtime when they are executed. In addition, blocks are actually Objective-C objects, so they can be passed around as parameters; can be stored in Foundation arrays, dictionaries, and sets; and can take advantage of manual memory management or ARC. Last but not least, blocks can modify objects in the same lexical scope. All that adds up to the capability for blocks to make previously cumbersome programming patterns simple and readable. ...
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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.
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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.