Greg Heo

Greg

🤓📝🇨🇦🦊

I’m a software engineer currently living in San Francisco. I like puppies, shoot with Fujifilm cameras, and am originally from Toronto 🇨🇦.

You can reach me by email at hello@ this domain or on the Twitter.

Past Talks

	Fun With Flags Toronto CocoaHeads 🌮, Toronto 🍁, january 2019 Swift, Synchronization, and Semaphores. Why is multi-threaded code so difficult, and how can semaphores help? Article
	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? Video ∙ Article ∙ Slides
	Augmented Reality; Crafted Reality Craft Conf, Budapest 🇭🇺, may 2018 What does crafting augmented realities teach us about crafting better software? Video
	Compiler Sanitizers for Fun and Profit iOS Conf Singapore, Singapore 🦁🇸🇬, october 2017 How do we deal with uncertainty in our programming lives, and how can the thread sanitizer help us in managing that uncertainty? Video
	Thirteen Ways of Looking at a View Controller AltConf, San Jose ☀️🇺🇸, june 2017 View controllers: we know them, love them, despise them, and overload them. Let's look at them a little closer. Video & Transcript
	Dealing With Asynchrony in a Synchronous Swift World Swift Language User Group, San Francisco 🤓🇺🇸, april 2017 How do we deal with Swift code that executes in a (mostly) straight line when there are so many side tangents and threads to wait around for? Video & Transcript
	Clarity, Cohesion, Coupling, Complexity Swift Summit, San Francisco 🌉🇺🇸, november 2016 How can reading more code help us write better code? Video & transcript ∙ Thoughts
	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? Video & transcript ∙ Blog post ∙ Slides
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Writing

Size, Stride, Alignment ↝ The basics on the memory layout of Swift struct instances.	12 March 2018
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
Getting Under Swift's Skin @ NSMeetup Three ways to get under Swift's skin: reflection, debug toolchains, and SIL	8 Feb 2018
Five Unbelievable Secrets of Reactive Programming the Experts Don't Want You to Know! Totally non-clickbaity article about lessons learned from reactive programming.	23 Feb 2017
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