Tag: Swift 2
This code creating UISlider and turn 90 degrees anticlockwise with -M_PI_2 in another context for another UIView we could use the same code with M_PI_2 for turning 90 degrees clockwise. I found this easy and useful, worth note.
What is Singleton Pattern? The Singleton pattern is class which initiated once itself and give global access to this created instance. As it has a unique instance, class variables and methods are shared in entire application/namespace. To understand better let’s check where we can use this pattern.