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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!

Hispano Suiza Carmen

https://en.wikipedia.org/wiki/Hispano-Suiza_Carmen
1•petethomas•1m ago•0 comments

ASM SHADER TOY – It's shader toy but you code in asm

https://wegfawefgawefg.github.io/asm-shader-toy/
1•wegfawefgawefg•1m ago•1 comments

Guix Proposed Consensus Document "Standing up for human crafting"

https://codeberg.org/guix/guix-consensus-documents/src/commit/f84ec9031286518350abf19dd08a7227119...
1•clircle•4m ago•0 comments

Show HN: Approve an AI agent's wire with Face ID,then watch a forged one fail

https://www.emiliaprotocol.ai/try
1•EmiliaStar•4m ago•0 comments

Chaining LLM and web bugs to Admin

https://blog.quarkslab.com/from-prompt-to-pwned-chaining-llm-and-web-bugs-to-admin.html
1•ChicknNuggt•7m ago•0 comments

Built SwiPR – swipe-to-review GitHub PRs with AI context

https://github.com/nochinxx/SwiPR
1•nochinxx•17m ago•0 comments

The Nerdy Escorts Cashing in on Silicon Valley's AI Boom

https://www.forbes.com/sites/annatong/2026/06/07/the-nerdy-escorts-cashing-in-on-silicon-valleys-...
3•Anon84•17m ago•0 comments

Some yes no questions about Trump, tech perspective

https://gist.github.com/jasonm23/c236a60add30b0b3d2ec50f6c754a55a
2•jasonm23•17m ago•2 comments

MCP security tracks API's playbook – we know how that ends

https://www.reversinglabs.com/blog/mcp-security-tracks-api-playbook
1•mooreds•18m ago•0 comments

Quadratic funding democratizes allocation by rewarding projects w/ broad support

https://internetfreedom.torproject.org/funding-distribution/
1•Cider9986•20m ago•0 comments

Firefox for Android's Play Integrity check hits custom ROMs

https://www.omgubuntu.co.uk/2026/06/mozilla-firefox-android-google-play-integrity
1•akagusu•20m ago•0 comments

Copyright – Right Answer for Open Source Code, Wrong Answer for Open Source AI?

https://opensource.org/ai/webinars/copyright-right-answer-for-open-source-code-wrong-answer-for-o...
1•totetsu•25m ago•0 comments

Ignore what everyone else is doing

https://briandouglas.ie/developer_noise/
4•inventor7777•27m ago•0 comments

Livestreaming Trilemma: HLS, WebRTC, MOQ

https://swmansion.com/blog/livestreaming-trilemma-hls-webrtc-moq/
1•aloukissas•27m ago•0 comments

79% on LongMemEval: How We Beat Full-Context GPT-4 with a Local SQLite Database

https://medium.com/@vektormemory/79-on-longmemeval-how-we-beat-full-context-gpt-4-with-a-local-sq...
2•vektormemory•28m ago•0 comments

Dealership revoked offer to buy back customer's BMW, blaming wayward AI chatbot

https://www.cbc.ca/news/business/ai-chatbot-bmw-dealership-9.7230226
2•pseudolus•29m ago•0 comments

How We Automated Technical Implementation

https://antimetal.com/blog/how-we-automated-technical-implementation
1•herbertl•30m ago•0 comments

Ask HN: What computer are you using for AI coding tools?

1•willsmith72•31m ago•3 comments

State of Brain Emulation Report 2025

https://brainemulation.mxschons.com/
1•jonnonz•31m ago•0 comments

Show HN: Bit Flip – Daily Coding Questions

https://www.olukayode.tech/goodies/bit-flip
1•zt4ff•31m ago•0 comments

What's New in WeatherMesh-6

https://windbornesystems.com/blog/introducing-wm-6
3•tomeraberbach•32m ago•0 comments

Raress96/Dolby-Atmos-encoder: PoC Dolby Atmos encoder

https://github.com/raress96/dolby-atmos-encoder
1•xbmcuser•39m ago•0 comments

ShinyHunters hacked 100 orgs by exploiting an Oracle PeopleSoft 0-day

https://www.theregister.com/cyber-crime/2026/06/11/shinyhunters-claims-oracle-peoplesoft-0-day-hi...
5•Bender•43m ago•0 comments

Research Is Not Engineering at a Slower Speed

https://voiceinthemachine.com/2026/06/10/research-is-not-engineering-at-a-slower-speed/
2•linguae•43m ago•1 comments

AI Cannot Desire

https://www.troywolters.com/blog/ai-cannot-desire.html
1•ctw•47m ago•0 comments

The Field Guide to Grid Lanes

https://webkit.org/blog/18098/introducing-the-field-guide-to-grid-lanes/
1•javatuts•48m ago•0 comments

SpaceX IPO Makes Elon Musk the First Trillionaire

https://www.rnz.co.nz/news/world/598001/spacex-ipo-makes-elon-musk-the-world-s-first-trillionaire
2•voisin•48m ago•0 comments

The Janko Project: Exploring Isomorphic Keyboards

https://www.thejankoproject.com
1•tomeraberbach•49m ago•0 comments

Trump Is in Trouble: Kharg Island Ground Invasion Threats Nuclear Risk [video]

https://www.youtube.com/watch?v=JqXsCCGINes
3•Bender•50m ago•0 comments

Lite XL – Fast, Lightweight and Powerful Text-Editing Experience

https://lite-xl.com/
4•giancarlostoro•54m ago•0 comments