Understanding Key-Value Observing and Coding

In programming, one of the most commonly accepted facts is that the flow of a program depends on the value of the various variables and properties you use. You just have to think how many times during an application development you have to check for your properties’ values, and based on them to drive the [...]

Using iAd to Display Banner Ad in Your App

So, you are about to start developing the next super app, you have everything planned and designed, but there’s still one last thing you haven’t made your mind up about; how to make some earnings out of it! Well, there are two options apart from offering it completely free: Either to make it a paid [...]