How to use background thread in swift?

How to use background thread in swift?

ios swift multithreading dispatch-queue

swift

Difference between DispatchQueue.main.async and DispatchQueue.main.sync

ios swift multithreading swift3 concurrency

swift

CoreData: warning: Unable to load class named

multithreading core-data swift nsmanagedobject

swift

Create thread safe array in Swift

ios arrays swift multithreading read-write

swift

How to efficiently write large files to disk on background thread (Swift)

ios swift multithreading large-files large-data

swift

How to do multithreading, concurrency or parallelism in iOS Swift?

ios multithreading concurrency swift multitasking

swift

Does the order of subscribeOn and observeOn matter?

swift multithreading rx-swift

swift

Xcode UIView.init(frame:) must be used from main thread only

ios swift xcode multithreading uikit

swift

objc_sync_enter / objc_sync_exit not working with DISPATCH_QUEUE_PRIORITY_LOW

ios multithreading swift

swift

How To Download Multiple Files Sequentially using NSURLSession downloadTask in Swift

ios swift multithreading nsurlsession nsoperation

swift

Waiting for multiple asynchronous download tasks

ios multithreading swift grand-central-dispatch

swift

Using threads to update UI with Swift

xcode multithreading swift xcode6

swift

Adding items to Swift array across multiple threads causing issues (because arrays aren't thread safe) - how do I get around that?

arrays swift multithreading grand-central-dispatch read-write

swift

Alamofire network calls not being run in background thread

ios swift multithreading alamofire

swift

Detect the reachability in background

ios multithreading swift background reachability

swift