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Questions tagged grand-central-dispatch

22 questions

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9
votes
3
answers

How do we dispatch Google Analytics events when iOS app goes to the background?

ios objective-c google-analytics grand-central-dispatch dispatch
asked 2013-03-18T19:03:10.797
8
votes
3
answers

Can I limit concurrent requests using GCD?

objective-c grand-central-dispatch
asked 2013-01-18T07:07:39.823
10
votes
4
answers

dispatch_sync always scheduling a block on Main Thread

ios objective-c cocoa-touch cocoa grand-central-dispatch
asked 2012-12-20T12:17:07.723
24
votes
4
answers

Can I declare dispatch_once_t predicate as a member variable instead of static?

objective-c grand-central-dispatch
asked 2012-12-13T08:45:38.963
27
votes
4
answers

dispatch_async and calling a completion handler on the original queue

objective-c ios grand-central-dispatch
asked 2012-10-27T07:02:06.560
38
votes
2
answers

How can I replace deprecated method dispatch_get_current_queue()?

iphone ios grand-central-dispatch
asked 2012-10-11T14:39:45.213
12
votes
2
answers

How to detect the type of dispatch queue (serial or concurrent)?

ios grand-central-dispatch
asked 2012-09-13T04:58:48.570
10
votes
7
answers

dealloc called on background GCD queue crashing app built with ARC

objective-c ios memory-management automatic-ref-counting grand-central-dispatch
asked 2012-01-19T18:14:13.407
16
votes
1
answers

Running Python script from Cocoa application using GCD

python objective-c grand-central-dispatch
asked 2012-01-14T12:03:23.823
97
votes
2
answers

Does ARC support dispatch queues?

objective-c automatic-ref-counting grand-central-dispatch
asked 2011-12-23T16:54:43.300
8
votes
0
answers

Is this a valid way to use Blocks in Objective-C?

objective-c cocoa asynchronous objective-c-blocks grand-central-dispatch
asked 2011-11-11T23:06:26.123
28
votes
8
answers

Last In-First Out Stack with GCD?

iphone objective-c ios uitableview grand-central-dispatch
asked 2011-09-27T10:43:03.453
33
votes
4
answers

Number of threads created by GCD?

ios grand-central-dispatch
asked 2011-08-27T10:05:38.163
83
votes
3
answers

Operation Queue vs Dispatch Queue for iOS Application

iphone objective-c ios cocoa-touch grand-central-dispatch
asked 2011-08-16T13:07:15.110
27
votes
3
answers

Objective C — What is the fastest and most efficient way to enumerate an array?

objective-c arrays enumeration grand-central-dispatch objective-c-blocks
asked 2011-06-01T01:19:52.870
20
votes
4
answers

What is the correct way to release a GCD dispatch queue property?

objective-c memory-management grand-central-dispatch
asked 2011-04-01T08:20:54.353
10
votes
5
answers

Asynchronously dispatched recursive blocks

iphone objective-c grand-central-dispatch objective-c-blocks
asked 2011-03-22T16:35:14.720
35
votes
3
answers

NSURLConnection and grand central dispatch

iphone nsurlconnection grand-central-dispatch
asked 2011-02-18T04:17:51.410
16
votes
1
answers

Performance test: sem_t v.s. dispatch_semaphore_t and pthread_once_t v.s. dispatch_once_t

objective-c multithreading semaphore grand-central-dispatch
asked 2010-09-04T04:04:44.333
11
votes
1
answers

How can I be notified when a dispatch_async task is complete?

iphone objective-c asynchronous grand-central-dispatch
asked 2010-07-31T16:56:39.920
21
votes
6
answers

Does pthreads provide any advantages over GCD?

multithreading pthreads grand-central-dispatch
asked 2010-01-27T04:47:33.740
15
votes
1
answers

How does Grand Central Dispatch really use the operating system?

ios objective-c grand-central-dispatch
asked 2009-10-17T09:01:23.420