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Robet

@robertlj

Programmer / Report Writer / Data wrangler / dev tools: Clojure(CLR/JVM) and F#, DuckDB

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17.11.2023
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Latest posts by Robet @robertlj

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A New Chapter for Bluesky - Bluesky After several intense and incredible years building Bluesky from the ground up, I've decided to step back as CEO and transition to a new role as Bluesky's Chief Innovation Officer.

Some personal news: I’m transitioning from CEO to a new role as Bluesky’s Chief Innovation Officer! I’m excited to welcome @toni.bsky.team as our interim CEO.

More here: bsky.social/about/blog/0...

09.03.2026 19:08 👍 5898 🔁 885 💬 553 📌 397
Last Week in Pony - March 8, 2026 - Pony

Last Week in Pony - Tennessee Quick Cash Edition

www.ponylang.io/blog/2026/03...

08.03.2026 09:47 👍 1 🔁 1 💬 0 📌 1
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#16 Adam Tornhill

Spotify: open.spotify.com/episode/7l3T...
Apple Podcasts: podcasts.apple.com/se/podcast/f...
YouTube: youtu.be/sYqUUYlm4HU?...
RSS: anchor.fm/s/10395bc40/...

02.03.2026 08:55 👍 5 🔁 4 💬 0 📌 0
Hoard things you know how to do - Agentic Engineering Patterns - Simon Willison's Weblog

Today's chapter of Agentic Engineering Patterns is some good general career advice which happens to also help when working with coding agents: Hoard things you know how to do simonwillison.net/guides/agent...

26.02.2026 21:14 👍 86 🔁 5 💬 5 📌 1
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Suggestion: Add yaml type provider to F# data family? · Issue #1645 · fsprojects/FSharp.Data Probably needs few revisions for modern dotnet and dependant packages? https://fsprojects.github.io/FSharp.Configuration/YamlConfigProvider.html

F# community: "Suggestion: Add yaml type provider to F# data family?" (that's all they write)

Me: "/repo-assist Implement a YamlProvider"

Result within an hour: New type provider with testing, CI passing

github.com/fsprojects/F...

#fsharp

25.02.2026 17:20 👍 22 🔁 6 💬 2 📌 0
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GitHub - borkdude/cream: Fast starting Clojure runtime built with GraalVM native-image + Crema Fast starting Clojure runtime built with GraalVM native-image + Crema - borkdude/cream

New experiment!

github.com/borkdude/cream

Fast starting Clojure runtime built with GraalVM native-image + Crema

Crema is a JVM bytecode interpreter which allows you to dynamically evaluate stuff inside of a native-image.

#clojure #babashka

22.02.2026 17:06 👍 21 🔁 3 💬 0 📌 0
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GitHub - uncomplicate/diamond-onnxrt: Fast Clojure Machine Learning Model Integration Fast Clojure Machine Learning Model Integration. Contribute to uncomplicate/diamond-onnxrt development by creating an account on GitHub.

🌶️New release of Diamond ONNX, the Clojure ONNX model runtime integration. Now work out of the box on all OSs, CPU, and GPUs! github.com/uncomplicate...

19.02.2026 17:09 👍 4 🔁 1 💬 0 📌 0
Clojure - State of Clojure 2025 Results

#Clojure is not widely used in Africa, it seems. Or Greenland.

Everywhere else, though...

https://clojure.org/news/2026/02/18/state-of-clojure-2025

20.02.2026 10:15 👍 2 🔁 1 💬 0 📌 0
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Simple Made Inevitable: The Economics of Language Choice in the LLM Era Two years ago, I wrote about managing twenty microservices at Qantas with a small team. The problem was keeping services in sync, coordinating changes across system boundaries, fighting the entropy of...

Learning Clojure was a revelation for me, changing my life and career. I know there's some in the Clj community who really don't like LLMs - I respect that. I'm choosing to use LLMs to write Clojure for the same reasons I've chosen to use it myself whenever I could felixbarbalet.com/simple-made-...

20.02.2026 10:43 👍 5 🔁 2 💬 2 📌 1
18.02.2026 23:26 👍 0 🔁 0 💬 0 📌 0


        Errors now use exit code 2, which means exit code 1 is just for for check failures. #15
        New rodney assert command for running JavaScript tests, exit code 1 if they fail. #19
        New directory-scoped sessions with --local/--global flags. #14
        New reload --hard and clear-cache commands. #17
        New rodney start --show option to make the browser window visible. Thanks, Antonio Cuni. #13
        New rodney connect PORT command to debug an already-running Chrome instance. Thanks, Peter Fraenkel. #12
        New RODNEY_HOME environment variable to support custom state directories. Thanks, Senko Rašić. #11
        New --insecure flag to ignore certificate errors. Thanks, Jakub Zgoliński. #10
        Windows support: avoid Setsid on Windows via build-tag helpers. Thanks, adm1neca. #18
        Tests now run on windows-latest and macos-latest in addition to Linux.

Errors now use exit code 2, which means exit code 1 is just for for check failures. #15 New rodney assert command for running JavaScript tests, exit code 1 if they fail. #19 New directory-scoped sessions with --local/--global flags. #14 New reload --hard and clear-cache commands. #17 New rodney start --show option to make the browser window visible. Thanks, Antonio Cuni. #13 New rodney connect PORT command to debug an already-running Chrome instance. Thanks, Peter Fraenkel. #12 New RODNEY_HOME environment variable to support custom state directories. Thanks, Senko Rašić. #11 New --insecure flag to ignore certificate errors. Thanks, Jakub Zgoliński. #10 Windows support: avoid Setsid on Windows via build-tag helpers. Thanks, adm1neca. #18 Tests now run on windows-latest and macos-latest in addition to Linux.

New release of Rodney, my CLI tool for browser automation (designed for use by coding agents and with Showboat) - contributions from five people! simonwillison.net/2026/Feb/17/...

17.02.2026 23:04 👍 39 🔁 2 💬 4 📌 0
Teaching Claude to Write Pony - Pony

Teaching Claude to Write Pony

www.ponylang.io/blog/2026/02...

17.02.2026 11:16 👍 1 🔁 1 💬 0 📌 0
Boosting F# Libraries with Automated Agentic AI | Amplifying F#

Next week @dsyme.bsky.social shows how agentic workflows can continuously improve #fsharp libraries.

amplifyingfsharp.io/sessions/202...

10.02.2026 11:59 👍 14 🔁 4 💬 1 📌 1

I had more followers on Bsky within a few weeks than I ever had on Twitter, and they're real people, not bots.

26.01.2026 18:31 👍 51 🔁 5 💬 1 📌 0
How to think about Gas Town Blog post: How to think about Gas Town by Steve Klabnik

How to think about Gas Town: steveklabnik.com/writing/how-...

15.01.2026 18:36 👍 141 🔁 16 💬 21 📌 2
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a man in an orange shirt with the words `` say what '' on it . ALT: a man in an orange shirt with the words `` say what '' on it .

😁

11.01.2026 00:14 👍 0 🔁 0 💬 0 📌 0
Original post on mastodon.scot

I've just checked out a #Clojure project I last worked on thirteen years ago, compiled it, ran its unit tests, and they all passed. I then ran `lein ancient upgrade :check-clojure` to upgrade all the dependencies to their latest versions, ran the unit tests again, and they all passed.

I did get […]

09.01.2026 21:05 👍 8 🔁 7 💬 1 📌 0
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State of Clojure 2025 Who uses Clojure and how? Let's find out.

Just a quick reminder that the 2025 State of Clojure survey is still open, please take the time to fill it in if you haven't already: www.surveymonkey.com/r/clojure2025

01.01.2026 18:02 👍 3 🔁 1 💬 0 📌 0
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jank-lang/jank: The native Clojure dialect hosted on LLVM with seamless C++ interop. ✨ Check out this must-read post from Hacker News 📖 📂 Category: ✅ Here’s what you’ll learn: Most simply, jank is a Clojure dialect on LLVM with C++ interop. Less simply, jank is a general-purpose programming language which embraces the interactive, functional, value-oriented nature of Clojure and the desire for the native runtime and performance of C++. jank aims to be strongly compatible with…

jank-lang/jank: The native Clojure dialect hosted on LLVM with seamless C++ interop.

✨ Check out this must-read post from Hacker News 📖 📂 Category: ✅ Here’s what you’ll learn: Most simply, jank is a Clojure dialect on LLVM with C++ interop. Less simply, jank is a general-purpose programming…

02.01.2026 21:18 👍 1 🔁 1 💬 0 📌 0
Post image

Spell Check or reviewing your writing sometimes helps to prevent mistakes 😄

www.howtogeek.com/apps-you-can...

02.01.2026 21:43 👍 1 🔁 0 💬 0 📌 0
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Coding Without Pressure: How Slowing Down Helped Me Learn Faster For a long time, I thought learning to code had to feel intense. Daily goals. Long hours. Constant...

I thought this was an interesting read. You might also enjoy the perspective.

dev.to/hadil/coding...

01.01.2026 22:18 👍 1 🔁 0 💬 0 📌 0
Rich Hickey's opening remarks from Clojure/Conj 2025
Rich Hickey's opening remarks from Clojure/Conj 2025 YouTube video by ClojureTV

A beautiful short introduction to the latest Clojure conference from the language creator @richhickey.bsky.social

www.youtube.com/watch?v=MLDw...

30.12.2025 06:56 👍 3 🔁 1 💬 0 📌 0
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ThanksAI.md GitHub Gist: instantly share code, notes, and snippets.

I got this email:

"Rich,

Your creation of Clojure <sycophantic blather worthy of a third grader's homework assignment to write a letter to a public figure you don't know, using sources you don't understand, to express an emotion unfelt, with no intention whatsoever>

Claude Haiku 4.5"

Thanks AI!:

28.12.2025 22:10 👍 68 🔁 17 💬 2 📌 1
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Scott Galloway says the key to landing jobs is be as social as possible: '70% of the time, the person they pick is someone with an internal advocate' | Fortune "You want to be placed in rooms of opportunities where you’re not physically there," the NYU Stern School of Business professor said.

👇🏻👇🏻

27.12.2025 21:49 👍 221 🔁 35 💬 18 📌 4
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The happy holidays release 2025 🎁 | Gleam programming language News post: Gleam v1.14.0 released

Gleam v1.14.0 is out now! Merry Christmas everyone! 🎁
gleam.run/news/the-hap...

25.12.2025 01:11 👍 75 🔁 22 💬 0 📌 3
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Settle down, nerds. AI is a normal technology - Stack Overflow

This was a fun one, went on the Stack Overflow podcast for the first time in years, specifically to talk to that audience of coders about why we shouldn’t believe the hype that LLMs are some kind of magical technology. Grateful to the crew for having me back! stackoverflow.blog/2025/12/23/s...

23.12.2025 22:02 👍 102 🔁 7 💬 2 📌 1

Great time to donate to support living computers, all up and working at the ICM! With membership you could access to these machines, so you can visit the museum in person or from the comfort of your home! icm.museum and your company may match your donations!

23.12.2025 19:12 👍 45 🔁 12 💬 2 📌 0
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Sneak peek of new #fsharp side project...

Fable + Desktop 🤔

22.12.2025 15:46 👍 69 🔁 6 💬 2 📌 1
Thirteen years of Rust and the birth of Rue Blog post: Thirteen years of Rust and the birth of Rue by Steve Klabnik

Thirteen years of #rustlang and the birth of #ruelang steveklabnik.com/writing/thir...

21.12.2025 20:05 👍 111 🔁 9 💬 19 📌 1

one thing i would want to talk about is #rue-lang

github.com/steveklabnik...

I've actually completely re-started it since a week ago. and it's mostly further along, but also slightly behind, where it was when i stopped working on it in... august?

20.12.2025 20:04 👍 25 🔁 1 💬 3 📌 1