Xcode Apple development environment

NSString handling with Xcode

Example code how to manipulate strings with XCode and NSString.

Insert records with NSManagedObject and Xcode

Example code how to insert records / objects into a database with Xcode and the NSManagedObject.

Convert NSNumber to NSInteger

Example code how to convert NSNumber to NSInteger and NSInteger to NSNumber. 

Convert NSString to int

Example code how to convert NSString to int and how to convert int to NSString.

How to remove duplicate records / objects from NSArray

Example code how to remove duplicate records / objects from NSArray and return a NSMutableArray with a unique record set.

How to get control class type from object using controlTextDidChange

Example code how to catch the active control id class while entering text using controlTextDidChange and isKindOfClass
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