Thoughts and observations on technology and software development.https://dfreeman.io/https://dfreeman.io/favicon.pnghttps://dfreeman.io/https://dfreeman.io/blog/graphql-polymorphism/https://dfreeman.io/blog/graphql-polymorphism/Or, how I learned to stop worrying and love __typenameFri, 09 Oct 2020 14:40:03 GMThttps://dfreeman.io/blog/hello-again/https://dfreeman.io/blog/hello-again/Coming back to this site, five years and 1,250km down the road.Sat, 21 Feb 2026 00:00:00 GMThttps://dfreeman.io/blog/hello-world/https://dfreeman.io/blog/hello-world/In which Dan decides starting a blog is somehow a good idea.Sun, 08 Sep 2019 19:09:03 GMThttps://dfreeman.io/blog/whats-in-a-name/https://dfreeman.io/blog/whats-in-a-name/On roses, Montagues, and ways of sneaking nominality into TypeScript's structural type system.Sun, 22 Sep 2019 20:36:08 GMThttps://dfreeman.io/blog/gumball/game-time/https://dfreeman.io/blog/gumball/game-time/Kicking off a new project: Gumball, a Game Boy emulator.Mon, 09 Sep 2019 17:52:33 GMThttps://dfreeman.io/blog/gumball/wrong-way-round/https://dfreeman.io/blog/gumball/wrong-way-round/Even the right abstraction does no good if it's applied in the wrong way.Thu, 19 Sep 2019 18:05:55 GMThttps://dfreeman.io/blog/til/open-graph/https://dfreeman.io/blog/til/open-graph/Figuring out how link previews are generated in places like Twitter and Slack.Wed, 11 Sep 2019 00:00:00 GMT