I\'m beginning to think the answer to my question is \'No\', but I\'m still confused and uncertain about this. So please confirm. I\'ve already learned the need to be careful when using Core Data with
I found that as predicted when I was writing an image to file that my UI was blocked for the duration, which was not acceptable.When I write the image to file I then post an NS Notification so that I
I started out thinking I wanted to test or detect if iOS was version 4.x so I would know I could use Grand Central Dispatch to run a concurrent thread. If it was less than iOS 4 I would run the code b
Apple\'s Grand Central Dispatch reference says: \"...if your application needs to operate at the Unix level of the
I found some information in the net to create a singleton class using GCD. Thats cool because it\'s thread-safe with very low overhead. Sadly I could not find complete solutions but only snippets of t
In many guide about how to use blocks and GCD, one tip is always mentioned : do not retain self in block.
I have a UITableView that displays images associated with contacts in each row. In some cases these images are read on first display from the address book contact image, and where there isn\'t one the
I am having problems understanding GCD. ineed to use dispatch_async to spawn the function put_values() which will in an endless loop put values into a buffer. Get_values() will remove then also in an
I am creating a thumbnail viewer consisting of UIButtons, and want to have a spinner in each button until the image gets populated from the cloud.I\'ve done this with single spinners before, but never
In one of Apple\'s header files for libdispatch, queue.h, the following warning appears: // The declaration of a block allocates storage on the stack.
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