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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•1y 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!

Haswell Native Raminit (NRI) + FSP Cross-Reference

https://github.com/hardenedlinux/libre-fsp
1•peter_d_sherman•26s ago•0 comments

Alice Huang reportedly instrumental in securing over $7.5B of Nvidia imports

https://www.tomshardware.com/tech-industry/policy/alice-huang-reportedly-instrumental-in-securing...
1•sshah03•3m ago•0 comments

'If something happens to Nvidia, it's going to be a catastrophe'

https://www.france24.com/en/central-role-in-ecosystem-if-something-happens-to-nvidia-it-s-going-t...
1•hologramofham•5m ago•0 comments

Decision Making Textbook

https://faculty.econ.ucdavis.edu/faculty/bonanno/DM_Book.html
1•ibobev•6m ago•0 comments

Game Theory Textbook

https://faculty.econ.ucdavis.edu/faculty/bonanno/GT_Book.html
1•ibobev•6m ago•0 comments

Bozzetto – reach consensus faster on engineering problems

https://bozzetto.dev/
2•cirrasphere•6m ago•1 comments

Why Parental Consent Policies for Social Media Do Not Help Families

https://www.afterbabel.com/p/parental-consent-social-media
1•paulpauper•6m ago•0 comments

Do you get made fun of by your friends for staring at Google Maps for hours?

https://exploreprometheus.com/
1•schemingboi•7m ago•0 comments

Noah Smith and Azeem Azhar Discuss the AI Boom

https://www.noahpinion.blog/p/noah-smith-and-azeem-azhar-discuss
1•paulpauper•8m ago•0 comments

Ukraine's fiber-optic drones get squeezed by AI data center demand

https://arstechnica.com/gadgets/2026/11/ukraines-fiber-optic-drones-get-squeezed-by-ai-data-cente...
1•tatersolid•9m ago•0 comments

Prepare for the AI Apocalypse Like You'd Prepare for a Snowstorm

https://www.theatlantic.com/technology/2026/11/how-to-prepare-for-the-ai-apocalypse/689367/
2•paulpauper•10m ago•0 comments

A Journey Through Gödel, Escher, Bach: Can You Think Without Understanding?

https://open.spotify.com/episode/1IT2n3oZ4AQOKODCy3cY9h
1•hek2sch•11m ago•0 comments

SEC Enforcement Failures Abandon Investors, Benefit Crooks

https://bettermarkets.org/newsroom/sec-enforcement-failures-abandon-investors-benefit-crooks/
4•petethomas•13m ago•0 comments

Let's Talk About Why All This OT Stuff Is Connected

https://tisiphone.net/2026/11/08/lets-talk-about-why-all-this-ot-stuff-is-connected/
1•birdculture•15m ago•0 comments

Rendering in Batches with Glimmer and Datastar

https://yogthos.net/posts/2026-11-10-glimmer-datastar.html
1•yogthos•16m ago•0 comments

The Memory Trap: Language Agents Overgeneralize from Benign Interactions

https://arxiv.org/abs/2611.07554
1•matt_d•16m ago•0 comments

From action to static descriptions: How using AI changed Jørn Lier Horst's style

https://jilltxt.net/from-action-to-static-descriptions-how-using-ai-to-write-with-changed-jorn-li...
1•ingve•17m ago•0 comments

Show HN: Python tool using torus math to audit duplex DNA against NCBI

https://github.com/Dr-Logvinovich/codon-torus-syntax/blob/main/README.md
2•DRLogvinovich•18m ago•0 comments

Muru: WSGI and ASGI Together

https://grahamdumpleton.me/posts/2026/11/muru-wsgi-and-asgi-together/
1•lumpa•18m ago•0 comments

Show HN: Python suite for spectral geometry analysis of 1.5M+ MPCORB orbits

https://github.com/Dr-Logvinovich/IT3-Solar-System-Quantum-Architecture/blob/main/README.md
1•DRLogvinovich•22m ago•0 comments

Monetary Policy Report – November 2026

https://www.bankofengland.co.uk/monetary-policy-report/2026/november-2026
1•mooreds•22m ago•0 comments

LLM inference, visually explained: why a 13B model reads 26 GB per token

https://www.youtube.com/watch?v=R3meYJU7wEg
2•ryansakhala•23m ago•0 comments

Infradle

https://infradle.com/
1•dezgeg•23m ago•0 comments

The Surprising Effectiveness of Deleting Weights in LLM Post-Training

https://arxiv.org/abs/2611.10866
1•theanonymousone•25m ago•0 comments

How We Built TLX: A Hardware-Native GPU Compiler for Production ML at Scale

https://engineering.fb.com/2026/11/10/open-source/tlx-a-hardware-native-gpu-compiler-for-producti...
2•matt_d•29m ago•0 comments

Garmin and Waze team up to alert drivers to nearby cyclists in real time

https://road.cc/tech-news/a-safer-riding-environment-garmin-and-waze-team-up-to-alert-drivers-to-...
1•nradov•31m ago•1 comments

America's Measles Problem Has Reached Endemic Level

https://www.nytimes.com/2026/11/10/health/measles-united-states-elimination-rfk.html
4•gumby•32m ago•0 comments

The answer shouldn't depend on which GPU you rented

https://regularjoeceo.substack.com/p/the-answer-shouldnt-depend-on-which
1•luxiedge•33m ago•0 comments

A simple Python implementation of the ReAct pattern for LLMs

https://til.simonwillison.net/llms/python-react-pattern
2•auraham•37m ago•0 comments

NASA Invites Media, Public to Join Voyager 1 One-Light Day Activities

https://www.nasa.gov/news-release/nasa-invites-media-public-to-join-voyager-1-one-light-day-activ...
3•sohkamyung•38m ago•0 comments