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Show HN: Mini J Interpreter in Rust, vibe coded

https://fletcher456.github.io/j-incunabulum-homage/
2•alasarmas•5h ago
I did this entire project on my phone, using the Replit app and the github web interface. This should be pretty close to the functionality of the J incunabulum:

https://www.jsoftware.com/ioj/iojATW.htm

I ended up telling the agent to use Rust, partially because I thought that JavaScript / TypeScript was its comfort zone and I didn’t want to have it pulling in a bunch of stuff I didn’t understand, and partially because I’ve heard that LLMs are pretty bad at Rust and I wanted to see if it could actually do it.

I don’t know Rust too well, so I can’t judge the code, but my suspicion is that it’s quite bad. I’d be interested to hear that confirmed.

Regular Expression Matching Can Be Simple and Fast

https://swtch.com/~rsc/regexp/regexp1.html
1•malingo•8s ago•0 comments

Mint 0.26.0 Released

https://mint-lang.com/news/exporting-entities
1•gdotdesign•54s ago•0 comments

SEC's 'crypto mom' says tokenized securities are still securities

https://www.aol.com/secs-crypto-mom-says-tokenized-201203237.html
1•Bluestein•4m ago•0 comments

Now I Won That AI Bet

https://www.astralcodexten.com/p/now-i-really-won-that-ai-bet
1•paulpauper•5m ago•0 comments

Balsa Update: Springtime in DC

https://thezvi.substack.com/p/balsa-update-springtime-in-dc
1•paulpauper•5m ago•0 comments

White Noise – secure and private messenger

https://www.whitenoise.chat/
2•onhacker•6m ago•0 comments

Gemini on Google Pixel Watch

https://support.google.com/googlepixelwatch/answer/16393978?hl=en
1•kaycebasques•6m ago•0 comments

Generating prototypes from game design document with Cursor, Zed and LÖVE

https://blog.luden.io/generating-prototypes-from-game-design-document-with-cursor-zed-and-l%C3%B6ve-7b8d932194d7
2•gamescodedogs•7m ago•5 comments

GlobalFoundries to Acquire MIPS

https://liliputing.com/globalfoundries-to-acquire-mips-bringing-together-risc-v-chip-design-and-manufacturing/
1•t-3•7m ago•0 comments

Developing Structural Analysis Tooling for Experimental Aircraft

https://stanleywang.dev/experience/beta-case-study
1•twinfantasyfan•7m ago•0 comments

Agents Are Controllers: Active Agent Brings MVC to AI in Rails

https://www.activeagents.ai/blog/agents-are-controllers-active-agent-brings-mvc-to-ai-in-rails
1•mooreds•9m ago•0 comments

Slow Projects

https://michaelnotebook.com/slow/index.html
2•calvinfo•9m ago•0 comments

A parallel path for GPU restore in CRIU

https://lwn.net/Articles/1024747/
1•rbanffy•9m ago•0 comments

Karmic

https://www.withkarmic.com/
1•handfuloflight•12m ago•0 comments

OpenAI is reportedly releasing an AI browser in the coming weeks

https://techcrunch.com/2025/07/09/openai-is-reportedly-releasing-an-ai-browser-in-the-coming-weeks/
2•valiant-comma•14m ago•0 comments

Allen G. Hassenfeld, former CEO of Hasbro, dies at 76

https://abcnews.go.com/Business/wireStory/allen-hassenfeld-former-ceo-hasbro-family-founded-iconic-123624319
1•Bluestein•16m ago•0 comments

HyAB k-means for color quantization

https://30fps.net/pages/hyab-kmeans/
6•ibobev•16m ago•0 comments

AI Startup Esperanto Winds Down Silicon Business

https://www.eetimes.com/ai-startup-esperanto-winds-down-silicon-business/
1•zekrioca•17m ago•0 comments

Pulse duration tunable ultra-narrow bandwidth mode-locked lasers

https://www.spiedigitallibrary.org/journals/advanced-photonics-nexus/volume-4/issue-03/036016/Pulse-duration-tunable-ultra-narrow-bandwidth-mode-locked-lasers/10.1117/1.APN.4.3.036016.full
1•PaulHoule•18m ago•0 comments

Everything You See Is from 15 Seconds in the Past, Research Suggests

https://www.popularmechanics.com/science/a65291272/why-brain-smooths-visual-chaos/
1•Bluestein•19m ago•1 comments

Apple design team to start reporting directly to Tim Cook later this year

https://9to5mac.com/2025/07/08/apple-design-team-tim-cook/
2•LorenDB•19m ago•0 comments

Texas inspectors approved Camp Mystic's disaster plan 2 days before deadly flood

https://www.houstonpublicmedia.org/articles/news/texas/2025/07/09/526049/texas-inspectors-approved-camp-mystics-disaster-plan-2-days-before-deadly-flood-records-show/
4•rawgabbit•19m ago•1 comments

The Human Resources Alignment Problem

https://blog.tjll.net/human-resources-misalignment/
1•mooreds•20m ago•0 comments

The War on Artificial Ice

https://newsletter.pessimistsarchive.org/p/the-war-on-lab-grown-ice
1•bookofjoe•21m ago•0 comments

ISS Astronaut Captures Photo of Rare Lightning Sprite Shooting Upward

https://petapixel.com/2025/07/07/iss-astronaut-captures-photo-of-rare-lightning-sprite-shooting-upward/
1•cs702•24m ago•0 comments

Iceberg, the Right Idea – The Wrong Spec – Part 2 of 2: The Spec

https://database-doctor.com/posts/iceberg-is-wrong-2.html
1•dkdcio•25m ago•0 comments

Memory-Level Parallelism: Apple M2 vs. Apple M4

https://lemire.me/blog/2025/07/09/memory-level-parallelism-apple-m2-vs-apple-m4/
3•zdw•26m ago•0 comments

How Soviet Russia Once Bugged an American Embassy's Typewriters (2019)

https://spectrum.ieee.org/the-crazy-story-of-how-soviet-russia-bugged-an-american-embassys-typewriters
2•downboots•27m ago•1 comments

AfriNIC: Hope, Hijack, and the Harsh Lessons of African Multistakeholderism

https://medium.com/@emmanuelvitus/afrinic-hope-hijack-and-the-harsh-lessons-of-african-multistakeholderism-8e8378797101
1•healsdata•28m ago•0 comments

Show HN: I made ChatChain, a chrome extension, auto adds timestamps to ChatGPT

https://www.chatchain.chat/
2•tzvipi•29m ago•1 comments