frontpage.
newsnewestaskshowjobs

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•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!

Linux developers are using AI vibe coding to keep vintage AMD GPUs alive

https://www.tomshardware.com/software/linux/linux-developers-are-using-ai-vibe-coding-to-keep-vin...
1•01-_-•40s ago•0 comments

Bluesky was launched as a Twitter rival – but it's less popular

https://www.cnbc.com/2026/06/04/bluesky-twitter-rival-reddit-social-media.html
1•01-_-•2m ago•0 comments

Ukraine builds cheap alternative to Patriot missiles

https://www.ft.com/content/c5839dd4-c4e9-4503-a605-67dcef053845
1•JumpCrisscross•2m ago•0 comments

The Vibes Were Never the Point. On the Push-and-Pull of AI Usage

https://blog.ewancroft.uk/3mnw2znjfbc22
1•ZacnyLos•2m ago•0 comments

Total War: Warhammer 40000 – Alpha Preview

https://www.youtube.com/watch?v=6aHYFL7dnuw
1•tomaytotomato•5m ago•0 comments

MCP Server Toolkit – Plug-and-Play

https://github.com/naveenayalla1-CS50/mcp-server-toolkit
1•Naveenayalla1•5m ago•0 comments

PgDog – connection pooler and load balancer for Postgres

https://pgdog.dev/
1•JustSkyfall•6m ago•0 comments

Coding is solved: one guy reverse-engineered Claude Desktop for Linux via Claude

https://github.com/aaddrick/claude-desktop-debian
2•landsman•6m ago•0 comments

We're spending 24 hours using local LLMs to search for the meaning of life

https://eternal-question.vercel.app/
1•piyussh•10m ago•2 comments

Germany's €100B bid to make the trains run on time

https://www.ft.com/content/db75e347-b13b-4753-8130-6301bb55c040
1•JumpCrisscross•14m ago•1 comments

Is your project Agent-Ready?

https://github.com/jaksa76/agentize
1•jaksa•14m ago•1 comments

What I got wrong about fast terminals

https://mijndertstuij.nl/posts/what-i-got-wrong-about-fast-terminals/
1•birdculture•16m ago•0 comments

Purpose-built local AI agents

https://samihonkonen.com/posts/purpose-built-local-ai-agents/
1•shonkone•17m ago•0 comments

The importance of food sovereignty in Puerto Rico

https://hothouse.substack.com/p/small-farming-finds-its-way-in-the
2•heyimada•18m ago•0 comments

UK Veterans Are Missing Out on Defence Tech Jobs That Need Them Most

https://vulpesetleo.substack.com/p/british-veterans-missing-out-on-jobs
2•hnjm•20m ago•0 comments

Show HN: Loom, an open-source delivery harness for coding agents

https://github.com/valkor-ai/loom
3•buzzplayapp•21m ago•0 comments

PowerToys 0.100 Is Here

https://devblogs.microsoft.com/commandline/powertoys-0-100-is-here-new-shortcut-guide-command-pal...
1•Klaster_1•21m ago•0 comments

CTD Clinic is fake medical paperwork for transmissible internet stupidity

https://ctd.clinic/
1•mgl•23m ago•0 comments

Why does tsgo use so much memory?

https://zackoverflow.dev/writing/why-does-tsgo-use-so-much-memory/
1•flashblaze•24m ago•0 comments

How to Build an Agentic RAG with RubyLLM and Rails

https://www.panasiti.me/blog/how-to-build-agentic-rag-with-rubyllm-and-rails/
1•giovapanasiti•25m ago•0 comments

Mining a Terms-of-Service fairness rubric from labelled data with DSPy and GEPA

https://medium.com/empirical-engineer/gepa-wrote-its-own-legal-rubric-and-caught-33-more-unfair-c...
1•tassosyal•26m ago•0 comments

PGM-index:range searches, deletes, updates using orders of magnitude less space

https://pgm.di.unipi.it/
1•hamilyon2•26m ago•0 comments

First Valhalla related stuff will land in Java 28

https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/thread/AIA3O3LHFZ6T7TIPH7KZT4WS4B6U72U5/
2•lichtenberger•26m ago•0 comments

Nick Reiner seeks trust fund left by parents to pay for defense in their killing

https://www.nbcnews.com/news/us-news/nick-reiner-seeks-access-trust-parents-left-pay-defense-kill...
2•Michelangelo11•31m ago•0 comments

Looking for volunteers to help with my AI-generated website

1•petebay•31m ago•0 comments

Mercedes‑Benz starts large‑scale production of electric axial flux motor

https://media.mercedes-benz.com/en/article/bebac2af-acdc-465a-9538-adb0bf3d8ccf
2•raffael_de•33m ago•0 comments

Show HN: Eatmydata.ai – Local-First Question-to-SQL-to-Dashboard AI

https://eatmydata.ai/
1•dennis16384•35m ago•0 comments

An open letter to office suite users, just before the Euro-Office announcement

https://blog.documentfoundation.org/blog/2026/06/08/an-open-letter/
1•r366y6•35m ago•0 comments

Show HN: Practicing foreign language generating conversation on topic [video]

https://www.youtube.com/watch?v=6oFjLfrbegg
1•julienreszka•40m ago•0 comments

We gave our agent the exact metric definition. It still wrote the wrong SQL

https://clarilayer.com/blog/what-anthropic-and-openai-didnt-say-about-context-for-data-agents
1•kylehui818•42m ago•1 comments