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!

Training Your Replacement: Worker Incentives and the Pace of Automation

https://www.nber.org/papers/w35950
1•rohanm93•3m ago•0 comments

Discovery Feed for Agents

https://twitter.com/cadenbuild/status/2121372002313503003
1•cadenli2025•5m ago•0 comments

Smart AI Keyboard: Translate

https://play.google.com/store/apps/details?id=smart.ai.keyboard&hl=en_US
1•aikeyboard•6m ago•0 comments

FAA Outage: Why Duffy Is Spelled with Two Ms

https://www.flyingpenguin.com/faa-outage-why-duffy-is-spelled-with-two-ms/
1•zzzeek•13m ago•0 comments

Heading over Humanity

https://www.writingruxandrabio.com/p/handing-over-humanity
1•hwacth•18m ago•0 comments

Ranking 162 anime by how much of their dialogue is common words

https://etoku.app/anime/easiest
2•willmorrison•21m ago•2 comments

Show HN: Turbo-Browser-MCP – Batch forms, DOM deltas and submit guards for MCP

https://github.com/Tthanh2k6/turbo-browser-mcp
1•tthanh2k6•25m ago•0 comments

SRT Link to Red5 Opens Path to Real-Time Streaming Everywhere

https://www.red5.net/blog/srt-realtime-streaming-everywhere/
1•mondainx•26m ago•0 comments

Show HN: A blog on how computers work from scratch (1)

https://dinank.dev/posts/between-wall-and-first-fetch.html
2•daynum•27m ago•1 comments

A Plan of the Cities of London and Westminster, and Borough of Southwark

https://en.wikipedia.org/wiki/John_Rocque%27s_maps_of_London
1•arbuge•27m ago•0 comments

Musings on long-context fine-tuning

https://hardikmeisheri.github.io/blog/musings-long-context-finetuning.html
1•eigenBasis•29m ago•0 comments

I hope you die: Inside Jensen Huang's reported tirades at Nvidia board meetings

https://www.indiatoday.in/world/story/jensen-huang-nvidia-workplace-allegations-executive-outburs...
1•gsky•30m ago•0 comments

Flattening Every Memory Peak in Long-Context Mixture-of-Experts Training

https://arxiv.org/abs/2609.14306
1•gmays•31m ago•0 comments

Show HN: KrocPDF – A Local-First, Alternative to iLovePDF

https://github.com/KrocPDF/KrocPDF
1•abhijeetcreates•32m ago•0 comments

Anthropic bought a one-person, AI-powered biotech

https://www.nature.com/articles/d41586-026-03640-9
1•nate•33m ago•0 comments

A/B test whether pre-gathered context helps coding agents complete tasks

https://github.com/unblocked/context-engine-simulator
1•fagnerbrack•33m ago•0 comments

India applying inhumane tech illegally on Canadian civilians on Canadian soil

1•whiteangel1984•33m ago•0 comments

SuperMimic: Compute is no longer the bottleneck to robotics

https://supermimic.github.io/
1•maccaw•34m ago•0 comments

What Math Means to Me

https://arxiv.org/abs/2609.32028
1•fanyangxyz33•36m ago•0 comments

Linus Torvalds Wonders If Linux's AI-Prompted Patch Flood Has Peaked

https://linux.slashdot.org/story/26/11/14/0827227/linus-torvalds-wonders-if-linuxs-ai-prompted-pa...
2•mfiguiere•37m ago•0 comments

Saccade

https://en.wikipedia.org/wiki/Saccade
1•firefax•43m ago•0 comments

A minimal Bitcoin-inspired implementation (2022)

https://www.ezzeriesa.com/index/Writing/A%20minimal%20Bitcoin-inspired%20implementation%209559908...
1•kurinikku•52m ago•0 comments

It's All about the Allocator

https://aarol.dev/posts/zig-allocator/
2•ibobev•59m ago•0 comments

Procedural Puzzle Generation in the Witness

https://www.boristhebrave.com/2026/11/13/procedural-puzzle-generation-in-the-witness/
2•ibobev•1h ago•0 comments

Osint Case Studies

https://osintsearch.org/blog/osint-case-studies
2•maiama•1h ago•0 comments

Two planes collide at Miami International Airport

https://www.cbsnews.com/miami/news/ups-plane-copa-airlines-jet-collide-miami-international-airport/
6•icepush•1h ago•3 comments

Show HN: PowerQueue free online message queue supports AWS, GCE, Azure, AMQP

https://www.powerqueue.link
1•andrewstuart•1h ago•1 comments

Customizable Collector Tags

https://beachselfgrading.com/
1•Beachkilla•1h ago•0 comments

Encyclopedia Galactica

https://en.wikipedia.org/wiki/Encyclopedia_Galactica
3•whoishiding•1h ago•0 comments

SP4N – Helping construction teams understand data and make better decisions

https://sp4n.ai/
4•omarnwaked•1h ago•0 comments