top 20 hacker news stories for 2025-10-19

Replacement.ai

https://replacement.ai

2 months ago

1000 upvotes – 684 comments

Doing well in your courses: Andrej's advice for success (2013)

https://cs.stanford.edu/people/karpathy/advice.html

2 months ago

680 upvotes – 198 comments

A laser pointer at 2B FPS [video]

https://www.youtube.com/watch?v=o4TdHrMi6do

2 months ago

619 upvotes – 110 comments

OpenAI researcher announced GPT-5 math breakthrough that never happened

https://the-decoder.com/leading-openai-researcher-announced-a-gpt-5-math-breakthrough-that-never-happened/

2 months ago

430 upvotes – 234 comments

Novo Nordisk's Canadian Mistake

https://www.science.org/content/blog-post/novo-nordisk-s-canadian-mistake

2 months ago

423 upvotes – 232 comments

United MAX Hit by Falling Object at 36,000 Feet

https://avbrief.com/united-max-hit-by-falling-object-at-36000-feet/

2 months ago

404 upvotes – 224 comments

Xubuntu.org Might Be Compromised

https://old.reddit.com/r/Ubuntu/comments/1oa4549/xubuntuorg_might_be_compromised/

2 months ago

365 upvotes – 161 comments

I invited strangers to message me through a receipt printer

https://aschmelyun.com/blog/i-invited-strangers-to-message-me-through-a-receipt-printer/

2 months ago

297 upvotes – 114 comments

Duke Nukem: Zero Hour N64 ROM Reverse-Engineering Project Hits 100%

https://github.com/Gillou68310/DukeNukemZeroHour

2 months ago

235 upvotes – 101 comments

Compare Single Board Computers

https://sbc.compare/

2 months ago

222 upvotes – 83 comments

Why formalize mathematics – more than catching errors

https://rkirov.github.io/posts/why_lean/

2 months ago

222 upvotes – 75 comments

US Government Uptime Monitor

https://usa-status.com/

2 months ago

222 upvotes – 75 comments

Show HN: Duck-UI – Browser-Based SQL IDE for DuckDB

https://demo.duckui.com

2 months ago

213 upvotes – 60 comments

The future of Python web services looks GIL-free

https://blog.baro.dev/p/the-future-of-python-web-services-looks-gil-free

2 months ago

203 upvotes – 97 comments

Gleam OTP – Fault Tolerant Multicore Programs with Actors

https://github.com/gleam-lang/otp

2 months ago

197 upvotes – 85 comments

Ask HN: What are people doing to get off of VMware?

https://news.ycombinator.com/item?id=45635940

2 months ago

196 upvotes – 167 comments

GNU Octave Meets JupyterLite: Compute Anywhere, Anytime

https://blog.jupyter.org/gnu-octave-meets-jupyterlite-compute-anywhere-anytime-8b033afbbcdc

2 months ago

181 upvotes – 42 comments

The case for the return of fine-tuning

https://welovesota.com/article/the-case-for-the-return-of-fine-tuning

2 months ago

167 upvotes – 81 comments

Friendship Begins at Home

https://3quarksdaily.com/3quarksdaily/2025/10/friendship-begins-at-home.html

2 months ago

166 upvotes – 99 comments

Dosbian: Boot to DOSBox on Raspberry Pi

https://cmaiolino.wordpress.com/dosbian/

2 months ago

165 upvotes – 69 comments
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