Category: Mac How To

In the first installment of this series on Cocoa programming for scientists, you got your first glimpse of Objective-C code. Hopefully you are now sufficiently recovered from the shock of that encounter to start digging deeper. In this part, we’ll take a closer look at the object…

We have now covered the fundamental aspects of Cocoa development in this tutorial series. From here on, we will branch out in many diverse directions, with each tutorial being more stand-alone than the ones preceding this one. I want to begin this exploration by revamping…

At NSConference 2010 I delivered a presentation on developing the iPhone game Sumo Master using the Core Animation framework. It covered the usual bag of tips and tricks, but also the process of development, from twinkle-in-the-eye to App-Store reality. I personally find articles and talks about the evolution of a concept…

This tutorial shows how to make an iPhone application that graphs your data. It also provides the fundamentals for incorporating many 2D and 3D graph types in your iPhone applications. The result of this tutorial is an iPhone application that looks like the following figure…

Continuing from Part I of the IKImageBrowserView tutorial, I’m going to show you how to extend the project to do things that we shouldn’t really do, but are so much fun it’s impossible to resist. And really, when has anyone ever gotten in trouble for throwing caution…

A couple of weeks ago, Apple introduced Snow Leopard, an OS release that left many users cold, but got developers very warm. Snow Leopard has a few new under-the-hood changes that are designed to make the life of a programmer that much easier in the…

With the launch of Snow Leopard this Friday, now is the time to start getting revved up for some of the new technologies coming with this release. One of them, OpenCL, is near and dear to my heart. And this tutorial series will hopefully help…

In our last installment, we began a journey into the world of lowish-level networking on Mac OS X and iPhone. The first tutorial introduced the topic, and delved into Bonjour, which is a framework that helps devices find each other. In this tutorial, we are…

Some of you may notice that applications using Apple’s PDF rendering engine under Leopard will not properly render certain documents created with LaTeX. It seems that in some cases, a corrupted font cache is to blame. To fix this problem execute the following commands in…

Each new release of Mac OS X brings with it a range of new command-line tools, many of which go unnoticed. Not only are these tools useful, they also tell the story of the evolution of the OS. Leopard is no exception, so armed with…