We should always write unit test for our code. We all know that, right? But sometimes having external dependencies make it very hard to test a class. Sometimes even almost…
MVC; the age old architectural pattern; has been trusted by developers around the world to separate responsibilities of a software program regardless of language and platform. Anyone working in iOS…
We all have been through situations, where we had to create classes with multiple constructors or constructor with a lot of dependencies (parameters). These classes tend to get bloated quickly with…
While talking about design patterns, most developers have fumbled upon this one; especially cocoa developers (both iOS and Mac application developers). Singletons are the most common design pattern you'll come to…
In real life software development one particular challenge we developers constantly face is requirement changes. Anyone who is in the software business game knows how frequently and drastically software specification…
Using delegates in iOS and Cocoa is a very basic and fundamental part and we use them quite frequently in our codes. As like in business, cocoa uses delegates as…
We all know the three basic principles of OOP: Encapsulation, Inheritance and Polymorphism. And there is also this fourth principle: Data Abstraction; though it's not always mentioned as a standalone…