Swift uses ARC (Automatic Reference Counting) similar to Objective-C to track and manage application memory. In most cases, we don't need to bother about memory management by ourselves, the swift compiler will…
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…
Ever wanted to use an UITextView that looks like a rounded UITextFiled? Also, wished it will grow it's height as you type your text? Well, you are in luck! Here…
In iOS we always end up defining our instance variables as @property (strong) or @property(weak). But what does strong and weak mean, and when to use which one? In cocoa,…
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…