On Jun 1, 2012, at 8:07 PM, Graham Cox <graham....@bigpond.com> wrote:

> A question about NSOperationQueue:
> 
> Is there a way to add operations to the queue so that they "jump the queue" 
> ahead of any operations that are not running and have not been run yet?

Give them a higher priority. You should be able to alter the priorities as the 
user scrolls, and NSOperationQueue will do the right thing.

--Kyle Sluder
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