My fellow Advanced Mac OS X Instructor, and general all-around super-nerd Jeremy W. Sherman digs into the tantalizing possibility of @import syntax.
At Highgroove, we’re always looking for new Ruby gems to help speed up development and keep the code DRY. The gem I found this time was Heroku’s very own Databasedotcom gem, a fantastic Salesforce.com API wrapper for Ruby! I must admit, I wasn’t very surprised to find a gem since Salesforce owns Heroku, but I did not expect it to be so fantastic and easy to use. Here’s how!
Objective-C categories are cool. They allow you do something that you can’t do in most compiled languages: add new methods to existing classes. You can even add methods to classes that you didn’t write.
One of our engineers was working on a project and wrote some code that crashed when running on a device: