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Hello! I’m Greg, a software engineer living in San Francisco, California. I like puppies, shoot a lot of photos, and am originally from Toronto 🇨🇦.
 | I currently work at Apple on the Camera & Photos team. |
 | Previously #diditforthegram as an iOS engineer at Instagram. |
 | Emeritus tutorial producer and editor at raywenderlich.com. |
 | Former writer and proprietor at Swift Unboxed. |
| ... | and other things now lost in the mists of time. |
You can reach me by email at hello@ this domain or elsewhere on the web: Twitter, Instagram, Flickr.
Conference & Meetup Talks
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The Least You Need to Know About Hashing in Swift
Swift Language User Group, San Francisco ☁️, august 2018 What is the simplest hash implementation? How about the worst? What is a hash anyway? And why does it matter? |
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What does crafting augmented realities teach us about crafting better software? |
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How do we deal with uncertainty in our programming lives, and how can the thread sanitizer help us in managing that uncertainty? |
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How can reading more code help us write better code? |
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What I Learned From 55 Swift Standard Library Protocols
Swift Summit, San Francisco 🌫🇺🇸, october 2015 How does the way the Swift standard library uses protocols give us hints on how we should do it? |
| 📣 See all talks | |
Writing
| Size, Stride, Alignment ↝ The basics on the memory layout of Swift struct instances. | 12 March 2018 |
| @objc and dynamic ↝ Objective-C runtime visibility and the depths of dynamic dispatch in the modern Swift era. | 5 December 2017 |
| Fun With Flags Managing concurrency with better communication. And flags. | 15 Jan 2019 |
| Concurrency From the Ground Up Based on a talk presented at 360iDev 2018 | 27 Aug 2018 |
See all posts | |