Double Pointers in Objective-C

Pointers

Ah, pointers. Nothing strikes more fear into the heart of novice C programmers, or developers who aren’t used to them. Add to that the notion of double pointers (**) and address-of operators (&) and you are pretty much guaranteed to scare them away. But they are really not that hard, as long as you understand 3 things:

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What is a Business Logic Layer Anyway?

Pancakes

Most developers are familiar with the concept of N-Tier Architecture. It is a software pattern that separates components of an application into separate logical layers to establish code boundaries, promote flexibility, and allow reuse. Most commonly this is accomplished usingĀ 3 layers:

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Why Static Code is Bad

static

Most object-oriented developers are familiar with static methods and classes. They are present in most programming languages including C# and Objective-C (where they are known as class methods). Here are some common cases in which they are used: Continue reading