> > >

IOS Technical Test MCQs

In iOS10, which of the following are the new behavioral changes in Core data?

The performBlockAndWait implicitly includes an autorelease pool around each block.

NSManagedObjectContext defaults to a nil NSUndoManager on macOS. It is always defaulted to nil on ios.

NSPersistentStoreCoordinator provides a new addPersistentStoreWithDescription(:completionHandler:) method that takes an NSPersistentStoreDescription object.

NSManagedObjectContext provides a automaticallyMergesChangesFromParent property that causes it to automatically register as an observer of an NSManagedObjectContextDidSaveNotif‌ication Object.

Answer

Correct Answer: NSManagedObjectContext defaults to a nil NSUndoManager on macOS. It is always defaulted to nil on ios.

Explanation:

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

IOS Technical Test Skill Assessment

Your Skill Level: Poor

Retake Quizzes to improve it