A C string is simply a series of characters (a one-dimensional character array) that is null-terminated, whereas an NSString object is a complete object with class methods, instance methods, etc.
Top Swift interview Questions And Answers for Freshers
Swift 2 Tutorial Part 2: Basics
Some key concepts for an iPhone Developer to learn as a fresher.
Swift Interview Questions And Answers part 1
In-App Purchase Tutorial in Cocos2d-x using SDKBOX
Answer:
[NSString stringWithCString:string encoding:NSUTF8StringEncoding];
2.Converting Objective C String to C string (NSString => const char *)
Answer:
[string cStringUsingEncoding:NSUTF8StringEncoding];