Recent questions tagged grand

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grand central dispatch - Whither dispatch_once in Swift 3?

Okay, so I found out about the new Swifty Dispatch API in Xcode 8. I'm having fun using DispatchQueue.main.async, ... ("Except this part.") } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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grand central dispatch - CFRunLoop in Swift Command Line Program

I am writing a command line application in Swift using a third-party framework that (if I understand the ... implement a CFRunLoop for the main thread? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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grand central dispatch - How do I dispatch_sync, dispatch_async, dispatch_after, etc in Swift 3, Swift 4, and beyond?

I have lots of code in Swift 2.x (or even 1.x) projects that looks like this: // Move to a background ... fixes produce working code. What do I do about this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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grand central dispatch - Using dispatch_async with self

I have run into this problem a few times while porting Objective-C code to Swift. Say I have the ... https://stackoverflow.com/questions/24092786/using-dispatch-async-with-self...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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