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
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Custom Operations
Return to the sample app, and select the row called Operation Queue-Custom. The five initial items in the table view are visible, and they are scrollable while the long-running tasks are being processed (view the debuggving console to confirm that they are being processed while scrolling the table view). Quickly hit the Cancel button at the top of the table before the operations complete. Notice that this time the tasks stop immediately.
The setups of the initial data and operation queue are nearly identical to the Operation Queue-Serial approach. The only difference is the use of a custom NSOperation subclass called ICFCustomOperation:
- (void)viewDidAppear:(BOOL)animated{ [super viewDidAppear:animated ...
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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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