Basic rules are:
Use one NSPersistentStoreCoordinator per program. You don't need them per thread.
Create one NSManagedObjectContext per thread.
Never pass an NSManagedObject on a thread to the other thread.
Instead, get the object IDs via -objectID and pass it to the other thread.
More rules:
Make sure you save the object into the store before...
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To resolve the issue first unlink the lame and then link with overwrite. Go to terminal execute below commands 1. brew unlink lame This ...
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NSAutoreleasePool:- The NSAutoreleasePool class is used to support Cocoa’s reference-counted memory management system. An autor...
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provides a mechanism for broadcasting information within a program, using notification we can send message to other object by adding obser...
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Garbage Collection When you use the Cocoa garbage collection technology, it manages your application's memory for you. There is no...
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Watchkit is extension to you iOS app. To add watchkit to app follow below steps(1.File new target watchkit app which will add wathkitap...
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Prototype Pattern Its a creational design pattern. Its normally used to create duplicate objects. This pattern is used normally when th... -
1) Click on project you will see the project settings change the name of bundle identifier for whom we want to make an IPA. 2) Change t...
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Atomicity: you have likely seen “nonatomic” in property declarations numerous times. When you declare a property as atomic, you u...
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Firstly you have added the storeKit.framework in your xcode project then define the protocol as <MKMapviewDelegate> in .h file. -...
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tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass wil...
