Could someone check my code and tell me if I am on the right track.. It seems like I am a bit lost.. if you see my errors, please let me know them..
I have a dispatch queue that has some work in it. I want the queue to keep running till either time runs out or the queue gets drained, when the application goes into the background. How would I set u
I write a black box class that does heavy processing in the background using Grand Central Dispatch. I intend to provide a continuation style API, something like:
I currently have a shell script that process many images one after the other, with the help of GraphicsMagick. It works fine, all calculations are correct, everything works. (that\'s not a \"simple\"
I\'m generating a lot of thumbnails in my iPhone app using GCD. I have something that look like this :
I am using GCD on iOS to perform a a time-consuming task on a background thread. The API has a start method that takes two blocks as arguments, both called on the main queue. The first is called when
I want to get friends information from Facebook and save it with Core Data. I build a FriendsManager Class that gets the a list of friends from Facebook (name and id)
When you use threads, do you have any preferences? In general rule, to use any of these techniques : create a new thread manually and use the run loop
What are the differences between Operation Queue and Dispatch Queue? Under what circumstances will it be more ap开发者_如何转开发propriate to use each?
In apple\'s document, apple says: Important: Instances of ABAddressBookRef can not be used by multiple
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