Why should I choose GCD over NSOperation and blocks for high-level applications?

Why should I choose GCD over NSOperation and blocks for high-level applications?

objective-c ios concurrency objective-c-blocks grand-central-dispatch

objective-c

What are the different ways for calling my method on separate thread?

objective-c ios multithreading concurrency grand-central-dispatch

objective-c

NSOperationQueue mainQueue vs performSelectorOnMainThread?

ios iphone objective-c concurrency nsoperationqueue

objective-c

Updated core data concurrency documentation?

ios objective-c core-data concurrency

objective-c

iOS Core Data when to save context?

iphone objective-c ios core-data concurrency

objective-c

Is NSNotificationCenter thread safe?

objective-c cocoa-touch concurrency grand-central-dispatch nsnotificationcenter

objective-c

With NSOperationQueue, how do you add to a background queue instead of main, and how does controlling amount of operations work?

ios objective-c concurrency nsoperation nsoperationqueue

objective-c

Is NSXMLParser's parse method asynchronous

iphone objective-c cocoa concurrency nsxmlparser

objective-c

Locking an instance variable in Objective-C

ios objective-c concurrency locking class-variables

objective-c

Crash: NSInternalInconsistencyException - Invalid rowCache row is nil

ios objective-c core-data concurrency

objective-c

GCD Poor Performance

objective-c cocoa concurrency grand-central-dispatch

objective-c

Solve reader-writer issues with NSOperationQueue?

objective-c concurrency grand-central-dispatch nsoperation nsoperationqueue

objective-c

dispatch_async vs dispatch_sync execution order

objective-c concurrency sync grand-central-dispatch dispatch-async

objective-c