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Collin Donnell

A software developer from Oregon.

Month: April 2022

The Brilliance of “nil” in Objective-C

Posted on April 28, 2022April 29, 2022 by Collin

I don’t code much in Objective-C these days1 but one thing I miss about it compared to Swift is how nil works. To be fair to Swift, the concept of “nothing” in Objective-C is kind of a mess, since there’s four different versions of it compared to two in Swift. nil

Posted in Programming10 Comments on The Brilliance of “nil” in Objective-C

Having Something to Write On

Posted on April 28, 2022 by Collin
Having Something to Write On

Of the productivity things I’ve tried in the last decade or more, keeping something by my keyboard to write on has been an unqualified win. I’ve used a yellow legal pad or notebook in the past, but the thing that works best has been a stack of index cards and a box to toss them […]

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