Sam Tobin-Hochstadt
@samth.bsky.social
Associate Professor, IU Computer Science ·
Core Developer, @racketlang.bsky.social ·
Member, TC39 ·
Handler, Gravymaker ·
Bike Advocate, Bloomington IN
Core Developer, @racketlang.bsky.social ·
Member, TC39 ·
Handler, Gravymaker ·
Bike Advocate, Bloomington IN
In 2009 on reddit I was apparently already jaded about telling people about the relationship between scheme and lisp macro systems. Another vote for "nothing ever changes"
October 23, 2025 at 1:48 AM
In 2009 on reddit I was apparently already jaded about telling people about the relationship between scheme and lisp macro systems. Another vote for "nothing ever changes"
No Kings, Bloomington Indiana
Biggest protest yet here
Biggest protest yet here
October 18, 2025 at 7:10 PM
No Kings, Bloomington Indiana
Biggest protest yet here
Biggest protest yet here
The actual number of hours that Americans work hasn't changed much over the last 20 years.
October 7, 2025 at 4:07 AM
The actual number of hours that Americans work hasn't changed much over the last 20 years.
Seems like 20% normal disagreement, 50% dunks, 20% agreement, and 10% this stuff.
September 13, 2025 at 7:15 PM
Seems like 20% normal disagreement, 50% dunks, 20% agreement, and 10% this stuff.
Like, Bluesky is you and me arguing about other people on the left yelling at Yglesias, and Twitter is this:
September 13, 2025 at 6:54 PM
Like, Bluesky is you and me arguing about other people on the left yelling at Yglesias, and Twitter is this:
Yes, this is genuinely an important Abundance value-add.
September 4, 2025 at 6:56 PM
Yes, this is genuinely an important Abundance value-add.
Meanwhile my representative is less chaotic but just as bad:
July 2, 2025 at 9:02 PM
Meanwhile my representative is less chaotic but just as bad:
There's a lot, good and bad, to say about AI, but this is still pretty incredible.
June 28, 2025 at 2:22 AM
There's a lot, good and bad, to say about AI, but this is still pretty incredible.
Over the 10 days, I wrote a new Racket library for "expect testing", a style that @yminsky.bsky.social has advocated for in OCaml. github.com/samth/recspe...
As an experiment, I built it entirely with Codex (the OpenAI async AI programming tool). I have some thoughts.
As an experiment, I built it entirely with Codex (the OpenAI async AI programming tool). I have some thoughts.
June 17, 2025 at 3:31 PM
Over the 10 days, I wrote a new Racket library for "expect testing", a style that @yminsky.bsky.social has advocated for in OCaml. github.com/samth/recspe...
As an experiment, I built it entirely with Codex (the OpenAI async AI programming tool). I have some thoughts.
As an experiment, I built it entirely with Codex (the OpenAI async AI programming tool). I have some thoughts.
The Clear Creek post office
May 17, 2025 at 12:36 AM
The Clear Creek post office
Redex does something like this for some things.
May 12, 2025 at 9:05 PM
Redex does something like this for some things.
While that's definitely part of the motivation for creating it, I think this picture suggests other structural reasons not specific to US history.
April 25, 2025 at 2:25 AM
While that's definitely part of the motivation for creating it, I think this picture suggests other structural reasons not specific to US history.
Here's a shot from Google Maps, for example:
April 10, 2025 at 9:16 PM
Here's a shot from Google Maps, for example:
And it turns out we're right!
cspubs.org
cspubs.org
March 31, 2025 at 8:23 PM
And it turns out we're right!
cspubs.org
cspubs.org
This feels like intentional self-parody.
March 6, 2025 at 1:21 PM
This feels like intentional self-parody.
I think this is a pretty impressive result for o1. I gave it no other context.
February 3, 2025 at 10:13 PM
I think this is a pretty impressive result for o1. I gave it no other context.
In Bloomington, Indiana. Two and three are even of paths that the city is supposed to clear.
January 12, 2025 at 3:59 AM
In Bloomington, Indiana. Two and three are even of paths that the city is supposed to clear.
It makes me very angry that the new @citybloomington.bsky.social greenway, which we spent a million dollars on, is entirely blocked here because not only has it not been plowed, but the city plowed snow _onto_ the path at the end.
January 9, 2025 at 4:25 PM
It makes me very angry that the new @citybloomington.bsky.social greenway, which we spent a million dollars on, is entirely blocked here because not only has it not been plowed, but the city plowed snow _onto_ the path at the end.
Santa said we're doing 5 blades
December 25, 2024 at 1:47 PM
Santa said we're doing 5 blades
Being an actual mathematician you haven't been subjected to things like this: www.researchgate.net/profile/Patr...
December 24, 2024 at 3:55 AM
Being an actual mathematician you haven't been subjected to things like this: www.researchgate.net/profile/Patr...