Carlos Scheidegger
@cscheid.net
Principal Engineer at Posit (fka RStudio), technical lead at quarto.org
Learning Brazilian Choro and the 7-string guitar
Learning Brazilian Choro and the 7-string guitar
just one wittle wegular expwession
November 13, 2025 at 1:53 AM
just one wittle wegular expwession
Excellent post throughout. This a class I wish I could take!
November 4, 2025 at 3:51 PM
Excellent post throughout. This a class I wish I could take!
Can you all spare some love for the poor old anxious lady preparing for fire alarm drills this morning? 🥺
November 3, 2025 at 3:09 PM
Can you all spare some love for the poor old anxious lady preparing for fire alarm drills this morning? 🥺
"Markdown is great, people can read Markdown, LLMs are good at Markdown, we don't need error messages"
October 20, 2025 at 12:35 PM
"Markdown is great, people can read Markdown, LLMs are good at Markdown, we don't need error messages"
This may just be the best CS paper I’ve read this year. Just read the abstract and first para of the intro! The rest of the intro is really wild too, but very very good:
dl.acm.org/doi/pdf/10.1...
dl.acm.org/doi/pdf/10.1...
October 14, 2025 at 1:12 PM
This may just be the best CS paper I’ve read this year. Just read the abstract and first para of the intro! The rest of the intro is really wild too, but very very good:
dl.acm.org/doi/pdf/10.1...
dl.acm.org/doi/pdf/10.1...
How's your Friday afternoon going?
October 10, 2025 at 9:19 PM
How's your Friday afternoon going?
"Claude code, please make me a Firefox extension that will hide some idiots^Wusers. Put a [hide] button and give me a way to see the list of users. Thanks!" This is the result.
Look, I've been trying to tell y'all, software engineering is about to get _extremely weird_ in the next 6-24 months.
Look, I've been trying to tell y'all, software engineering is about to get _extremely weird_ in the next 6-24 months.
October 10, 2025 at 6:01 PM
"Claude code, please make me a Firefox extension that will hide some idiots^Wusers. Put a [hide] button and give me a way to see the list of users. Thanks!" This is the result.
Look, I've been trying to tell y'all, software engineering is about to get _extremely weird_ in the next 6-24 months.
Look, I've been trying to tell y'all, software engineering is about to get _extremely weird_ in the next 6-24 months.
with that said, this is my screen rn
October 6, 2025 at 2:38 PM
with that said, this is my screen rn
or, "how to show the present ethos of the Democratic Party as the idiocy it is, with a single paragraph"
September 29, 2025 at 3:38 PM
or, "how to show the present ethos of the Democratic Party as the idiocy it is, with a single paragraph"
I know I'm quoting from the related work (and so it's not what you're bringing up), but what a beautiful observation
September 13, 2025 at 7:09 PM
I know I'm quoting from the related work (and so it's not what you're bringing up), but what a beautiful observation
Instructors who use gradescope: Have you recently looked at the gradescope website on Chrome?
Candy cigarette levels of moral hazard on display from the Google Chrome team, I hope y'all are proud
Candy cigarette levels of moral hazard on display from the Google Chrome team, I hope y'all are proud
September 10, 2025 at 1:49 PM
Instructors who use gradescope: Have you recently looked at the gradescope website on Chrome?
Candy cigarette levels of moral hazard on display from the Google Chrome team, I hope y'all are proud
Candy cigarette levels of moral hazard on display from the Google Chrome team, I hope y'all are proud
(🤫🤫🤫 I'm here from the future, don't tell anyone!) coming (hopefully) soon to your (hopefully) favorite Markdown authoring system. Look at these beautiful error messages!!!
I MUST DISAPPEAR NOW OR CAUSE A RIFT IN THE SPACETIME CONTIN
I MUST DISAPPEAR NOW OR CAUSE A RIFT IN THE SPACETIME CONTIN
September 9, 2025 at 8:30 PM
(🤫🤫🤫 I'm here from the future, don't tell anyone!) coming (hopefully) soon to your (hopefully) favorite Markdown authoring system. Look at these beautiful error messages!!!
I MUST DISAPPEAR NOW OR CAUSE A RIFT IN THE SPACETIME CONTIN
I MUST DISAPPEAR NOW OR CAUSE A RIFT IN THE SPACETIME CONTIN
August 29, 2025 at 4:10 PM
reference for the uncultured masses:
August 27, 2025 at 5:31 PM
reference for the uncultured masses:
What scam is this? It reads too weird to just be a wrong number, but I don't know how they would convert it to a scam
August 26, 2025 at 8:53 PM
What scam is this? It reads too weird to just be a wrong number, but I don't know how they would convert it to a scam
I probably only have a handful of followers who are from Porto Alegre (my hometown) but! All five of you should know that Red Bull is building a skate ramp on the side of the building you probably are thinking about when I say “skate ramp” and “side of building”:
August 17, 2025 at 11:56 PM
I probably only have a handful of followers who are from Porto Alegre (my hometown) but! All five of you should know that Red Bull is building a skate ramp on the side of the building you probably are thinking about when I say “skate ramp” and “side of building”:
August 9, 2025 at 5:49 PM
Surprisingly good information design on these new nyc subway displays
August 9, 2025 at 3:35 PM
Surprisingly good information design on these new nyc subway displays
Ah yes, this was bound to happen one time or another when I signed up to write C code after... 20 years?
August 8, 2025 at 8:20 PM
Ah yes, this was bound to happen one time or another when I signed up to write C code after... 20 years?
If you're concerned about contrast (which you should be), you can vary luminance of the color in addition to saturation. That's what we do here on this colormapping of elevation in Italy. The bad example shows the problem with using hue - there's no separable encoding for "sign of effect"
July 30, 2025 at 5:45 PM
If you're concerned about contrast (which you should be), you can vary luminance of the color in addition to saturation. That's what we do here on this colormapping of elevation in Italy. The bad example shows the problem with using hue - there's no separable encoding for "sign of effect"
If you know someone who works on docs.rs, would you be willing to beg for them to include a prominent link to the actual source code repository of the crates? Emphasis on *prominent*
Burying this kind of link inside a menu dropdown would be a crime in civilized places
Burying this kind of link inside a menu dropdown would be a crime in civilized places
July 18, 2025 at 1:55 PM
If you know someone who works on docs.rs, would you be willing to beg for them to include a prominent link to the actual source code repository of the crates? Emphasis on *prominent*
Burying this kind of link inside a menu dropdown would be a crime in civilized places
Burying this kind of link inside a menu dropdown would be a crime in civilized places
symbols nerd decides to learn music to get away from abstract manipulation of symbols
2 years later
2 years later
July 4, 2025 at 1:38 PM
symbols nerd decides to learn music to get away from abstract manipulation of symbols
2 years later
2 years later