Objective C categories are great for extending classes, however if you want to override methods then you’re going to have some problems as you can no longer call the method on your original class owns, usually breaking a lot of functionality the higher up the class food chain you travel (try this on NSObject‘s init, return nil). If you called the same method on self you would end up with an infinite loop, and calling super will skip the original class completely.
One of the most exciting developments over the last couple of years for web design has been the ability to include custom font choices. We can finally spice up designs without having to create images out of text. But what are the pros & cons of web font technologies and where do we still need to advance with the technology.
I typically purchase magazines when I travel as they have a great selection at the airport, and I have ample time to read them cover to cover on the plane. Last week I was in transit to New Zealand and splashed out $18 for a copy of this months Harvard Business Review with cover headline “Build a culture of trust and innovation – COLLABORATE”. This is very topical to our team at b2cloud, colleagues and clients.