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Recent questions tagged grand
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grand central dispatch - Order of operations in runloop on iOS
What is the order of operations on iOS? I'm thinking sepcifically about timing of setNeedsLayout and layoutSubviews ... the end of the runcycle See Question&Answers more detail:os...
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Oct 24, 2021
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grand central dispatch - (iOS) dispatch_async() vs. NSOperationQueue
I learned iOS programming thanks to Stanford's CS193p course (on iTunes U) as well as the iOS programming book from ... more to it than that? See Question&Answers more detail:os...
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Oct 24, 2021
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grand central dispatch - How do I execute code once and only once in Swift?
The answers I've seen so far (1, 2, 3) recommend using GCD's dispatch_once thus: var token: dispatch_once_t = ... way to execute code just once? See Question&Answers more detail:os...
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Oct 24, 2021
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grand central dispatch - DispatchSourceTimer and Swift 3.0
I can't figure out how to make dispatch timer work repeatedly in Swift 3.0. My code: let queue = DispatchQueue(label ... be. How can I fix this? See Question&Answers more detail:os...
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Oct 17, 2021
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grand central dispatch - dispatch_once after the Swift 3 GCD API changes
What is the new syntax for dispatch_once in Swift after the changes made in language version 3? The old ... to libdispatch that were made. See Question&Answers more detail:os...
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Oct 17, 2021
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