TDD Exercise – A StringCalculator in Objective-C

After struggling over a custom UIControl implementation for iOS, I decided to take a little time out to play and learn more about design patterns and approaches in Objective-C. This exercise was the basis for learning a great deal about how I approach the design of a solution, and I hope it will benefit my other developments.

How to Fix ‘Profiling: Invalid Magic Number’ in Xcode 4.6 When ‘Generate Test Coverage Files’ is enabled

Back to doing a bit of iOS development in Xcode, and I ran into a problem with the build tools producing a ‘profiling: invalid magic number’ error when merging the results of code coverage analysis with previous runs. Here is a way to work around the problem and save yourself from having to do a Product > Clean all the time.

Apple’s ‘Track Shipment’ not working? How to Understand the Tracking Reference, Specifically with TNT as the Carrier

Are you having trouble finding tracking information for your Apple order? If its being shipped direct from manufacturing, you’ll likely have an international shipping reference. Make sure that you are using the carriers correct tracking page or you might not get a result.