Greg Heo

All Blog Posts

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
RxSwift @ NSMeetup
So you want to be a reactive programming beginner?
2 Feb 2017
The Year of Travel
Turns out I did a lot of walking and flying in 2016.
17 Jan 2017
Swift Summit SF 2016
Thoughts on reading and writing after spending two days amongst 400 other Swift nerds.
13 Nov 2016
The Case of the Disappearing Apps
Thinking about a brave new world of installing apps, using them, but never launching them.
19 Jun 2016
Swift Summit SF 2015
What I learned From 55 Swift Standard Library Protocols.
3 Nov 2015
Audience Interaction in your Conference Talks
Bring the audience into your conference talk...if you dare.
23 Oct 2015
Outlining Your Conference Talk Pixar-style
Use a narrative to get at the core of what you want to say.
15 Oct 2015
Switching Your Brain to Swift
Existing codebase + existing brain + Swift. What could go wrong?
17 Aug 2015
Watch-First Design
How do you design an iOS app? By starting with the watch.
29 May 2015
Force Touch
The force is strong with Apple's new hardware and APIs.
8 Apr 2015
RWDevCon 2015
Remote work, team building, and selfies at RWDevCon.
13 Feb 2015
What's New in Swift 1.2
Swift 1.2 is out in the latest Xcode beta. What's new? Find out!
11 Feb 2015
Four Things I Learned Making My First Swift App
That's right: an iOS app written 100% in a language that's been public for a few months!
22 Oct 2014
Shipping Stuff
What have you shipped lately?
10 Oct 2014
Transformable attributes in Core Data
Boring: strings and integers; fun and mysterious: transformable!
28 Jan 2014
iOS 7 By Tutorials
Everything you wanted to know about iOS 7 but were afraid to ask.
18 Sep 2013
Adventures in Dvorak, two months later
Two months ago, I switched keyboard layouts. I am now thinking in Dvorak!
13 Aug 2013
Adventures in Dvorak
Two weeks ago, I switched keyboard layouts. I am now skilled enough to type up my experiences.
14 Jun 2013
Custom Keyboards in iOS
How to set up a custom keyboard (input view) for a text field in iOS.
17 Mar 2013
Restoring In-app Purchases
On the pesky requirement of having a "Restore Purchases" button in your iOS app.
16 Aug 2012
Simple iOS audio playback
Making noise with Audio Services and AVAudioPlayer.
5 Jul 2012
Blocks in Objective-C
Based on my "Introduction to Blocks" lightning talk.
12 Jul 2011
Foreign keys - an introduction
The least you need to know about foreign keys but were afraid to ask.
22 Feb 2011
Schwartzian transform in PHP
It's no Perl for sure, but can PHP speak with a Lisp?
3 May 2010
Benchmarking PHP
Featuring PEAR's Benchmark module.
22 Apr 2010
SQL JOINs, part 2
The exploration of SQL JOIN continues with the oddballs: CROSS and OUTER.
19 Feb 2010
SQL JOINs, part 1
Left? Right? Outer? Let's review.
16 Feb 2010
Benchmarking Perl
Featuring the Benchmark module from CPAN.
14 Sep 2009

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talks personal conferences apple platform iOS watchOS speaking OS X Swift design WatchKit teams remote work business getting stuff done writing keyboard dvorak objective-c SQL PHP performance Perl