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The Tumblog of one Jim Dovey, iOS Software Chief Architect at Kobo in Toronto, Ontario.
He Twitters, he has an , and can occasionally be found on LinkedIn or Facebook.
If you have a query, you can ask it here.

This blog contains personal opinions, and is not endorsed by any company.

You can buy Jim's book, Beginning Objective-C, either directly from Apress as an eBook or in print from Amazon:

On two occasions I have been asked, ‘Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?’ I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
Charles Babbage, grandfather of the computer.