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September 30, 2015 14:07
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GCD multi-threading async dispatch
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| dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{ | |
| // stuff to do in the background | |
| dispatch_async(dispatch_get_main_queue(), ^{ | |
| // stuff to do on the main thread | |
| }); | |
| }); |
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