iOS provides several built-in types of transitions. Navigation controllers push and pop to navigate through an information hierarchy, tab bar controllers switch between sections by changing tabs, and any view controller can present and dismiss another view controller modally for… Continue Reading
Many modern languages have exceptions. If you come from Java you’ll most likely using exceptions all the way to handle error cases. For objective-C you are going to have to go back and forget everything you knew about exceptions and… Continue Reading
Some weeks ago I have finished GameBench a simple two player board game framework implemented in the Swift language. It comes with a simple Connect4 App so you can learn how to use it and implement your own board games. SwiftGameBench framework… Continue Reading
When you write testing code you will often want to define a constant. Typical constants that you might want to factor out are your test fixtures. Often Objective-C programmers take the approach of defining the constant like this: #define USER_NAME… Continue Reading
Today I came across the following problem: “If you know the coordinates of the vertices of a polygon with square edges, find the surrounded area. Or more formally given an array of the X and Y coordinates enumerated in a clockwise… Continue Reading