frontpage.
newsnewestaskshowjobs

Made with ♥ by @iamnishanth

Open Source @Github

fp.

Open in hackernews

Show HN: Reaktiv – I built Excel-like reactive programming for Python

https://bui.app/when-frontend-reactivity-meets-backend-python-the-story-of-my-first-1-000-download-library/
2•buibuibui•10mo ago
Hi HN! I created Reaktiv, a Python library bringing reactive programming to the backend world that recently hit 1,000+ monthly downloads.

I'm actively promoting it because I believe signal-based reactivity (a concept that spread rapidly in frontend development) has huge untapped potential in Python. My breakthrough came when I stopped describing it as "Angular signals for Python" and started calling it "Excel-like computation graphs" - suddenly Python developers understood the value.

The library automatically tracks dependencies between computations, only recalculating values when dependencies change. This eliminates manual dependency tracking, prevents synchronization bugs, and reduces cognitive load when managing complex state.

Interestingly, I've noticed some initial interest from data scientists, though I'm still exploring what specific problems it might solve for them. I also believe the Home Assistant/IoT communities could benefit greatly from this approach.

Would love your thoughts on bringing frontend patterns to backend development!

System76: Carl Richell [video]

https://www.youtube.com/watch?v=klguVwZDLlE
1•simonebrunozzi•27s ago•0 comments

"Atoms are hard, bits are so much easier" (Andrej Karpathy)

https://www.youtube.com/watch?v=kwSVtQ7dziU
1•snthpy•29s ago•0 comments

A Japanese Glossary of Chopsticks Faux Pas

https://www.nippon.com/en/japan-data/h01362/
1•cainxinth•1m ago•0 comments

Show HN: Vibefolio – a place to showcase your vibecoded projects

https://vibefolio.link/
2•Gooblebrai•3m ago•0 comments

Ready or Not, You Have Been Promoted (2025)

https://dimitriborisevich.substack.com/p/ready-or-not-you-have-been-promoted
1•tuplecouple•4m ago•0 comments

Ask HN: What are the greatest discoveries in the last few years?

2•chistev•5m ago•0 comments

Transformers Are Bayesian Networks

https://arxiv.org/abs/2603.17063
1•Anon84•6m ago•0 comments

I Asked AI "Why Do I Exist?" – Here's What Happened

https://razbakov.com/blog/2026-03-20-ikigai-ai-chief-of-staff
1•razbakov•7m ago•0 comments

Einstein–Szilard Letter (1939)

https://en.wikipedia.org/wiki/Einstein%E2%80%93Szilard_letter
1•simonebrunozzi•7m ago•0 comments

Microsoft is letting you pause Windows Updates indefinitely

https://www.theverge.com/tech/898082/microsoft-promises-to-end-forced-windows-updates-still-autom...
1•WalterSobchak•7m ago•1 comments

Monkey C – Small familiar language for apps on Garmin watches

https://developer.garmin.com/connect-iq/monkey-c/
1•embedding-shape•8m ago•0 comments

Researchers find link between ultra-processed foods and infertility in US women

https://news.mcmaster.ca/researchers-find-link-between-ultra-processed-foods-and-infertility-in-u...
1•testing22321•9m ago•0 comments

Why Is Everyone Supposed to Die If Machines Can Think?

https://idiallo.com/blog/everyone-is-supposed-to-die-when-machines-can-think
1•speckx•9m ago•0 comments

PyPI and GitHub package stats combined

https://pypi.kopdog.com/
1•bramwick•10m ago•1 comments

Gen AI Boosts Productivity, but Can't Turn Novices into Experts

https://www.library.hbs.edu/working-knowledge/gen-ai-boosts-productivity-but-cant-turn-novices-in...
1•nadis•11m ago•0 comments

Echoed – Discord Alternative

https://echoed.gg/
1•shaongitbd•12m ago•0 comments

Mathematics is all you need

https://zenodo.org/records/19120857
1•anicicn•12m ago•0 comments

Planned 10-gigawatt SoftBank data center in Ohio might be largest in the world

https://www.tomshardware.com/tech-industry/artificial-intelligence/planned-10-gigawatt-softbank-d...
1•rbanffy•14m ago•0 comments

A man who made the front page twice

https://nowiknow.com/the-man-who-made-the-front-page-twice/
2•greedo•15m ago•0 comments

Emacs is the display server. Headless Firefox is the renderer

https://old.reddit.com/r/emacs/comments/1ry1q5q/embrel_emacs_browser_emacs_is_the_display_server/
2•telecommuter•15m ago•0 comments

Procrustes

https://en.wikipedia.org/wiki/Procrustes
2•vishnuharidas•15m ago•0 comments

Matrix Valued Residuals

https://arxiv.org/abs/2506.22696
2•E-Reverance•15m ago•0 comments

Manager as a Service

https://yusufaytas.com/manager-as-a-service/
4•kakerane•16m ago•0 comments

To be a better programmer, write little proofs in your head (2025)

https://blog.get-nerve.com/to-be-a-better-programmer-write-little-proofs-in-your-head/
1•birdculture•17m ago•0 comments

Trump Friend Asked ICE to Detain the Mother of His Child

https://www.nytimes.com/2026/03/20/us/paolo-zampolli-ice-melania-trump-epstein.html
7•duxup•18m ago•1 comments

IBM 4769

https://en.wikipedia.org/wiki/IBM_4769
1•bob1029•19m ago•0 comments

Turn Left at the Robot

https://netwars.pelicancrossing.net/2026/03/20/turn-left-at-the-robot/
1•speckx•20m ago•0 comments

Yuzudraw

https://www.yuzudraw.com/
2•agavra•20m ago•0 comments

From Bootcamp Grad to Distributed Databases: What Moved the Needle

https://medium.com/swlh/from-coding-bootcamp-graduate-to-building-distributed-databases-29acbb723d8
1•kurinikku•20m ago•0 comments

New AI Models Could Slash Energy Use While Dramatically Improving Performance

https://now.tufts.edu/2026/03/17/new-ai-models-could-slash-energy-use-while-dramatically-improvin...
2•geox•21m ago•0 comments