In todays post we’re going to look at signed numbers (numbers that can be both positive and negative) and look at the three different approaches that can be used to represent them in binary.
Binary Addition
Ready for your next dose of background Computer Science knowledge. In today’s post we build on what we have learnt in my previous post and look at binary addition.
Binary and Decimal Numbers
Computers and electronics are ubiquitous in modern culture (you wouldn’t be reading this post if they weren’t) and as a newbie iOS App developer, you are going to eventually need some knowledge of the background Computer Science concepts that underpin not only iOS App Development but software development and computers in general. Today is the […]
Objective-C Code Comments
Code comments are annotations that you can add to that help with improving the readability of your source code and also help other programmers understand what you were trying to achieve when you were writing it. In this post, we take a look at how to write them in Objective-C.
A Walk-Through of Your First Objective-C Application
In this post we take a step-by-step walk-through of our project form the last post. During the course of our post we have our first major exposure to Objective-C, and talk about some of its basic features such as comments, importing and functions.
The Problem of Recursive Includes
In this post we take a look at the problem of recursive includes within the C Programming Language and examine how this problem is avoided in Objective-C through use of the #import statement.