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Substack Network error = security content they don't allow to be sent
Simon Willison
I just sent out the latest edition of the newsletter version of this blog. It's a long one! Turns out I wrote a lot of stuff in the past 10 days. The newsletter is out two days later than I had p…
Yesterday · 21:16 -
Pluribus training data
Simon Willison
In advocating for LLMs as useful and important technology despite how they're trained I'm beginning to feel a little bit like John Cena in Pluribus. Pluribus spoiler (episode 6) Given our druthe…
Yesterday · 08:43 -
Quoting Boris Cherny
Simon Willison
A year ago, Claude struggled to generate bash commands without escaping issues. It worked for seconds or minutes at a time. We saw early signs that it may become broadly useful for coding one day…
Yesterday · 07:13 -
textarea.my on GitHub
Simon Willison
textarea.my on GitHub Anton Medvedev built textarea.my, which he describes as: A minimalist text editor that lives entirely in your browser and stores everything in the URL hash. It's ~160 lin…
Two Days Ago · 20:23 -
How uv got so fast
Simon Willison
How uv got so fast Andrew Nesbitt provides an insightful teardown of why uv is so much faster than pip. It's not nearly as simple as just "they rewrote it in Rust" - uv gets to skip a huge amoun…
Two Days Ago · 16:43 -
My new favorite description of Christianity’s God is from Vince Staples (~16:05):...
Jason Kottke
My new favorite description of Christianity’s God is from Vince Staples (~16:05): “a floating man with a blowout”.…
Two Days Ago · 14:46 -
It’s Time to Accept That the US Supreme Court Is Illegitimate and...
Jason Kottke
It’s Time to Accept That the US Supreme Court Is Illegitimate and Must Be Replaced. “…so that Americans don’t have to suffer future decades of oligarchy-facilitating rule that makes a…
Two Days Ago · 14:03 -
The Anthony Bourdain Reader
Jason Kottke
The Anthony Bourdain Reader (Amazon) is a collection of writings from the late author, TV host, and chef, including some unpublished pieces. The Anthony Bourdain Reader is also a showcase…
Two Days Ago · 12:47 -
Digging the soulful jazz + drum & bass energy of Chanpan. Hard...
Jason Kottke
Digging the soulful jazz + drum & bass energy of Chanpan. Hard to categorize what this is — so many influences and styles. 💬 Join the discussion on kottke.o…
Two Days Ago · 12:02 -
How Rob Pike got spammed with an AI slop "act of kindness"
Simon Willison
Rob Pike (that Rob Pike) is furious. Here's a Bluesky link for if you have an account there and a link to it in my thread viewer if you don't. Fuck you people. Raping the planet, spending trilli…
Two Days Ago · 11:16 -
Clean Energy Is Still Winning. These 10 Charts Prove It. In March...
Jason Kottke
Clean Energy Is Still Winning. These 10 Charts Prove It. In March 2025, more electricity was generated with clean energy than with fossil fuels for the first time.…
Two Days Ago · 11:06 -
Martin Scorsese remembers his friend Rob Reiner. “He had a beautiful sense...
Jason Kottke
Martin Scorsese remembers his friend Rob Reiner. “He had a beautiful sense of uninhibited freedom, fully enjoying the life of the moment, and he had a great barreling laugh.”…
Two Days Ago · 10:25 -
Adam Serwer: “The reason so many of yesterday’s free-speech champions transitioned so...
Jason Kottke
Adam Serwer: “The reason so many of yesterday’s free-speech champions transitioned so easily into today’s pro-Trump censors is that their definition of free speech never included the ri…
Two Days Ago · 09:46 -
I’m live-streaming a redesign of my website
Brad Frost
I’m live-coding a redesign of my website! You can watch me here.…
Two Days Ago · 09:36 -
Are We Still Loving Pluribus?
Jason Kottke
Since we had a robust discussion last month on whether Pluribus sucks or not, I thought I’d ask: now that the season finale has aired, what did you think of the first season as a whole?…
Two Days Ago · 09:16 -
The data is clear: congestion pricing in NYC has been a “huge...
Jason Kottke
The data is clear: congestion pricing in NYC has been a “huge success”. “Pollution: -22%. Revenue for mass transit: $548M.” 💬 Join the discussion on k…
Two Days Ago · 08:41 -
Studio Notes #64
Dan Cederholm
Happy Holidays, Friends! Here's issue #64 of Studio Notes™—quick bits delivered to you each Friday. This week's issue is an abbreviated one, while we're recovering from ho…
Two Days Ago · 08:34 -
Infinite Ball Drop: what if the Times Square NYE ball started dropping...
Jason Kottke
Infinite Ball Drop: what if the Times Square NYE ball started dropping now? (It’s currently more than 200 miles above the surface of the Earth.) 💬 Join the…
Two Days Ago · 08:10 -
A new way to extract detailed transcripts from Claude Code
Simon Willison
I've released claude-code-transcripts, a new Python CLI tool for converting Claude Code transcripts to detailed HTML pages that provide a better interface for understanding what Claude Code has d…
Three Days Ago · 16:52 -
Santa Tracker Shows Sleigh Stopped For 40 Minutes Outside Old Girlfriend’s House....
Jason Kottke
Santa Tracker Shows Sleigh Stopped For 40 Minutes Outside Old Girlfriend’s House. “NORAD’s official tracking app confirmed that Santa Claus paid a visit to his former girlfriend’s hou…
Three Days Ago · 11:46 -
uv-init-demos
Simon Willison
uv-init-demos uv has a useful uv init command for setting up new Python projects, but it comes with a bunch of different options like --app and --package and --lib and I wasn't sure how they dif…
Four Days Ago · 15:05 -
Muppet Versions of Xmas Movie Posters
Jason Kottke
RiotGrlErin made some great mashups of Christmas movie posters featuring Muppets. I think my favorite is Oscar the Elf but the Die Hard one is so good too. Many more in this thread.…
Four Days Ago · 12:15 -
Reminder: NASA’s holiday yule log fireplace video is delightful — it’s a...
Jason Kottke
Reminder: NASA’s holiday yule log fireplace video is delightful — it’s a rocket engine (in a fireplace). “8.8 million pounds of total thrust…”…
Four Days Ago · 11:07 -
Merry Christmas, Mr. Bean
Jason Kottke
From Mr. Bean’s official YouTube channel, the show’s hilarious Christmas episode. While Christmas shopping, Mr Bean purchases a bulky string of tree lights before making a shambles of…
Four Days Ago · 10:12 -
Quoting Salvatore Sanfilippo
Simon Willison
If this [MicroQuickJS] had been available in 2010, Redis scripting would have been JavaScript and not Lua. Lua was chosen based on the implementation requirements, not on the language ones... (sm…
The Other Day · 16:03 -
Bookshop’s Bestselling Nonfiction Books of 2025
Jason Kottke
For finding a good book, there is no substitute for going into your local independent bookstore and browsing what’s on the front tables, the bestsellers shelf, and the staff picks. But bo…
The Other Day · 15:18 -
The Truth Physics Can No Longer Ignore. “To truly understand living systems...
Jason Kottke
The Truth Physics Can No Longer Ignore. “To truly understand living systems as self-organized, autonomous agents, physicists need to abandon their ‘just the particles, ma’am’ mentalit…
The Other Day · 14:58 -
Allspice is a single spice?! “Allspice is the dried fruit of the...
Jason Kottke
Allspice is a single spice?! “Allspice is the dried fruit of the Pimenta dioica plant.” 💬 Join the discussion on kottke.org →…
The Other Day · 14:40 -
We Asked Four AI Coding Agents to Rebuild Minesweeper… “Cloning Minesweeper isn’t...
Jason Kottke
We Asked Four AI Coding Agents to Rebuild Minesweeper… “Cloning Minesweeper isn’t a trivial task that can be done in just a handful of lines of code, but it’s also not an incredibly c…
The Other Day · 14:16 -
MicroQuickJS
Simon Willison
MicroQuickJS New project from programming legend Fabrice Bellard, of ffmpeg and QEMU and QuickJS and so much more fame: MicroQuickJS (aka. MQuickJS) is a Javascript engine targetted at embedded…
The Other Day · 13:53 -
The Case for a Public Social Media Platform. “What if the United...
Jason Kottke
The Case for a Public Social Media Platform. “What if the United States government decided to, overnight, nationalize Facebook and make it a digital division of the post office. What would…
The Other Day · 12:38 -
If Stayin’ Alive Had Been Written in 16th Century
Jason Kottke
Watch Jonas Wolf and three friends sing a choral arrangement of the Bee Gee’s Stayin’ Alive in the style of a madrigal. Just in case (like the me of 1 minute ago) you don’t know what…
The Other Day · 11:58 -
Finland uses a progressive scale for speeding tickets; the fine amount is...
Jason Kottke
Finland uses a progressive scale for speeding tickets; the fine amount is based in part on income. In 2023, a businessman got hit with a €121,000 fine. 💬 Jo…
The Other Day · 11:27 -
Troika #58: Hickensian Christmas III
Jon Hicks
It's been ten years since 'Hickensian Christmas II' on Troika, probably because I get more curmudgeonly about 'Christmas Music' every year. This even includes quirky 'indie' versions of Christmas favo…
The Other Day · 09:20
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Posts from blogs I like written in the last few days.