What is NSOperationQueue or NSOperation in SWIFT ?
What is NSOperationQueue or NSOperation in SWIFT ? NSOperation is an abstract class which can’t be used directly so you have to use NSOperation subclasses. In the iOS SDK, we are provided with two concrete subclasses of NSOperation. These classes can be…
Asynchronous Operations with Grand Central Dispatch in SWIFT !
Grand Central Dispatch We call them Global Dispatch queues. These queues are global to the application and are differentiated only by their priority level. To use one of the global concurrent queues, you have to get a reference of your preferred queue…
Why do We Need Concurrency in IOS ?
I know you’re a good developer with experience in iOS. No matter what kinds of apps you’re going to build, however, you will need to know concurrency to make your app more responsive and fast. Here I summarize in points the advantages of learning or…