grand-central-dispatch
Does GCD assure that all the blocks working in the same queue are always working in a same thread?(About ABAddressBookRef)
Does GCD assure that all the blocks working in the same queue are always working in a same thread? If I create a dispatchqueue and dispath_async blocks to this queue, does all the blocks that dispatc[详细]
2023-03-27 04:39 分类：问答dispatch_async has lag somewhere, can't find where. is there an NSLog problem?
So i have this code: dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), ^{ //Bunch of code[详细]
2023-03-26 13:12 分类：问答NSFetchedResultsController performFetch on background thread
I have to perform a fetch via NSFetchedResultsController on a background thread. My current solution is structured like that:[详细]
2023-03-25 14:04 分类：问答What happens to tasks in dispatch queues when an app enters inactive/background/suspended states in iOS?
开发者_StackOverflow社区I\'ve been scouring Apple\'s documentation on application states and Grand Central Dispatch, but I haven\'t found a good answer to this question.[详细]
2023-03-25 09:45 分类：问答How to stop the execution of tasks in a dispatch queue?
If I have a serial queu开发者_运维百科e, how can I, from the main thread, tell it to immediately stop execution and cancel all of its tasks?If you\'re using Swift the DispatchWorkItem class allows wor[详细]
2023-03-24 18:51 分类：问答How to use variables by reference in a code block?
I have a block that I submit to a queue and I only want the block to execute if a certain condition is true. It looks sort of like this:[详细]
2023-03-24 04:32 分类：问答How to synchronize tasks in different dispatch queues?
I\'m new to queues and I\'m having some trouble setting up the following scheme. I have three tasks that need doing.[详细]
2023-03-23 20:05 分类：问答How to share Serial Dispatch Queues between classes?
I noticed that they don\'t return pointers when created, but actual objects. So to get a pointer, I\'m trying to declare it like this:[详细]
2023-03-23 04:46 分类：问答Suspending GCD query problem
i have trouble suspending a gcd query. Here is some code开发者_StackOverflow that demonstrates the problem:[详细]
2023-03-21 17:16 分类：问答Problem with GCD and local UI refresh
I got this code -(void)changeText { dispatch_queue_t gqueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0);[详细]
2023-03-21 10:28 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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