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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!

Tagd – a game of Tag (You're it)

https://tagd.gg/login
1•bravilogy•36s ago•0 comments

AI bots flooded 2023 UK government consultation on disposable vapes ban

https://www.theguardian.com/society/2026/oct/27/ai-bots-flooded-2023-uk-government-consultation-d...
1•agons•2m ago•0 comments

Show HN: TAW, herdr for tmux: see which coding agent needs you

https://github.com/27medkamal/tmux-agent-wizard
1•27medkamal•2m ago•0 comments

Zero database QR labels carry structured data

https://github.com/tooltechgeek/nodb_table
1•tooltechgeek2•3m ago•0 comments

Answers at the Back of the Book

https://mmapped.blog/posts/53-answers-from-the-book
1•martinhath•6m ago•0 comments

About the compromised eMudhra intermediate CAs

https://support.apple.com/en-us/149555
2•birdculture•7m ago•0 comments

Show HN: Nuvrail – make an AI agent ask before it sends, moves or deletes email

https://github.com/agens-field/nuvrail
1•mmodahl•9m ago•1 comments

Crab Eating Frog

https://en.wikipedia.org/wiki/Crab-eating_frog
1•silver92bullet•9m ago•0 comments

MotionBricks: Scalable Real-Time Motions with Modular Latent Generative Model

https://nvlabs.github.io/motionbricks/
1•jonbaer•12m ago•0 comments

Ten days later, Git on macOS still trusts the compromised eMudhra certificates

https://emudhra.we-have-a-problem.com/apple.html
1•galadran•12m ago•0 comments

A Little Bit of Slope Makes Up for a Lot of Y-Intercept [video]

https://www.youtube.com/watch?v=mE98Is1quwY
1•wofo•17m ago•0 comments

I let Claude run my social media accounts – where it won and where it failed

https://aioperatorwithsimon.com/i-let-claude-run-my-social-media-accounts/
2•simonbuilds•23m ago•0 comments

Where Have All the Car Commercials Gone?

https://www.wsj.com/cmo-today/where-have-all-the-car-commercials-gone-6844790f
1•bookofjoe•23m ago•1 comments

OpenDisplay

https://opendisplay.app/
1•jonbaer•23m ago•0 comments

Convert OLM to PST

https://www.perfectdatasolutions.com/en/olm/olm-to-pst-converter.html
1•tieanderson•25m ago•0 comments

Everyone Is Starting Over

https://www.gabrielvaldivia.com/notes/everybody-is-starting-over
1•chakintosh•26m ago•0 comments

Study: Schoolwide phone bans show no significant impact on mental health

https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2855858
1•giuliomagnifico•26m ago•0 comments

JetKVM Mini is now available

https://shop.jetkvm.com/products/jetkvm-mini
3•thinkafterbef•27m ago•0 comments

IMSIsting – GTK4 cellular security toolkit for Linux

https://github.com/yslxotwod/IMSIsting
1•yslxotwod•31m ago•0 comments

Barcelona unrest: how to fabricate a protest in the age of TikTok

https://theconversation.com/barcelona-unrest-how-to-fabricate-a-protest-in-the-age-of-tiktok-295263
11•DeepLogin•34m ago•2 comments

State Department Asked Employees Up for Promotion Whether They Voted for Trump

https://www.washingtonsun.com/administration/state-foreign-service-officers-voting-history-interv...
2•throw0101a•38m ago•0 comments

Keystone to destroy 18k hardware wallets due to hacked authentication key

https://twitter.com/KeystoneWallet/status/2114719318722404578
1•janandonly•38m ago•0 comments

FreeBSD on an OVH Dedicated Server

https://www.frimin.fr/posts/freebsd-on-ovh/
1•gearnode•38m ago•0 comments

Reproducing Civilization

https://josephheath.substack.com/p/reproducing-civilization
1•throw0101a•39m ago•0 comments

Show HN: Ballast – macOS app to clear disk space

https://github.com/linearza/ballast
2•linearza•39m ago•0 comments

Opus 5.5 causing an identity crisis is real

https://www.kondz.io/blog/opus-5-5-causing-identity-crisis-is-real/
2•stared•40m ago•0 comments

Food Never Comes

https://foodnevercomes.com/
1•saikatsg•42m ago•0 comments

Does the code compile? Five local models on a DGX Spark, five runs each

https://borisivanov.com/notes/local-llm-compile-bench/
1•cryptomorpher•52m ago•0 comments

This is not sustainable

https://www.netmeister.org/blog/defense-ddos.html
2•BrunoBernardino•52m ago•1 comments

Intel to Acquire Classiq to Create a Full-Stack Quantum Computing Platform

https://www.intel.com/content/www/us/en/newsroom/news/corporate/intel-classiq-accelerate-scalable...
1•taubek•55m ago•0 comments