Grand Central Dispatch (GCD) provides a simple and robust mechanism for concurrent and asynchronous operations, primarily in Apple operating systems (e.g., iOS, macOS, watchOS, and tvOS), but also FreeBSD and MidnightBSD.
I was having some trouble unit testing some grand central dispatch code with the built in Xcode unit testing framework, …
objective-c grand-central-dispatch sentestingkitI need to dispatch a block on the main queue, synchronously. I don’t know if I’m currently running …
objective-c ios objective-c-blocks grand-central-dispatchI created some test code for NSThread and Grand Central Dispatch (GCD): - (void)doIt:(NSNumber *)i { sleep(1); NSLog(@"Thread#%…
ios cocoa-touch grand-central-dispatch nsthreadI am very new to GCD and threading. I have gone through the tutorials and getting very much confusion. Can …
iphone multithreading grand-central-dispatch nsoperationqueue nsinvocationI am trying to create a (network) synchronized array for the company I work for. While the networking part works …
objective-c objective-c-blocks grand-central-dispatch fifoI am developing a chat application using xmppframework in iOS 5; it works perfectly. But I updated my Xcode to 4.5.1, iOS 5 …
iphone ios grand-central-dispatchI can't figure out how to make dispatch timer work repeatedly in Swift 3.0. My code: let queue = DispatchQueue(label: "com.…
swift grand-central-dispatch swift3 dispatchI searched a variety of sources but don't really understand the difference between using NSThreads and GCD. I'm completely new …
objective-c multithreading macos cocoa grand-central-dispatchApple's Grand Central Dispatch reference says: "...if your application needs to operate at the Unix level of the system—for …
objective-c ios concurrency objective-c-blocks grand-central-dispatchIs it advisable to wrap up NSUrlConnection in a gcd style blocks and run it on a low_priority queue? …
iphone nsurlconnection grand-central-dispatch