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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•6mo 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!

Show HN: MTXT – Music Text Format

https://github.com/Daninet/mtxt
1•daninet•1m ago•0 comments

The 30-foot sea cow quickly hunted to extinction because of its tasty meat

https://www.nationalgeographic.com/history/article/stellers-sea-cow-30-foot-hunted-extinction
1•rwmj•3m ago•0 comments

Celebrity Birthdays: Toddler Edition 2025 (Z-Image)

https://old.reddit.com/r/StableDiffusion/comments/1pa8os4/celebrity_birthdays_toddler_edition_202...
1•b0ner_t0ner•12m ago•0 comments

Exploiting open Ollama instances for free LLM inference

https://defcon.social/@flipper/115611972992468231
1•flipperr•16m ago•0 comments

Shrinking While Linking

https://www.tweag.io/blog/2025-11-27-shrinking-static-libs/
2•ingve•17m ago•0 comments

Silicon Valley's Man in the White House Is Benefiting Himself and His Friends

https://www.nytimes.com/2025/11/30/technology/david-sacks-white-house-profits.html
3•fleahunter•19m ago•0 comments

Why is real-world ASR still ~85% when lab models claim >95%?

1•DoubleThing•20m ago•0 comments

Open source YouTube Content Blocker based on words

https://chromewebstore.google.com/detail/filtertube/cjmdggnnpmpchholgnkfokibidbbnfgc
2•varshneydevansh•25m ago•0 comments

Elf a modern CLI helper for Advent of Code written in Python

https://github.com/cak/elf
1•cak•26m ago•1 comments

UserScanner

1•kaifcodec•26m ago•0 comments

Israel's IDF Bans Android Phones: iPhones Now Mandatory

https://www.forbes.com/sites/zakdoffman/2025/11/30/israels-idf-bans-android-to-stop-hackers-iphon...
2•teleforce•27m ago•0 comments

Great_Consciousness_Theory_2025

https://pastebin.com/x1Yr9mvP
1•MATE_VIGH•34m ago•1 comments

The Space of Minds

https://karpathy.bearblog.dev/the-space-of-minds/
3•Garbage•38m ago•0 comments

Show HN: Let Claude Code call other LLMs when it runs in circles

https://github.com/raine/consult-llm-mcp
2•rane•47m ago•0 comments

Triton Plugins

https://github.com/triton-lang/triton/pull/8401
2•zer0zzz•52m ago•0 comments

The NaK Population: a 2019 Status [pdf]

https://ntrs.nasa.gov/api/citations/20190033494/downloads/20190033494.pdf
1•perihelions•55m ago•0 comments

In-Depth Analysis of the Latest Deep Research Technology

https://huggingface.co/blog/exploding-gradients/deepresearch-survey
1•tamnd•1h ago•0 comments

Self-hosting my photos with Immich

https://michael.stapelberg.ch/posts/2025-11-29-self-hosting-photos-with-immich/
4•birdculture•1h ago•1 comments

Show HN: YOLO11 and OpenCV Object Detection in Java – Full End-to-End Tutorial

https://github.com/vvorobiov/opencv_yolo
1•ffly3r•1h ago•0 comments

Reviewing live-bootstrap and reflections on trusting trust

https://iwriteiam.nl/WHY2025_talk.html
1•matesz•1h ago•0 comments

How to detect text which has been written by ChatGPT

https://www.rte.ie/brainstorm/2025/1128/1545935-chatgpt-ai-writing-text-detection-words-phrases-e...
2•austinallegro•1h ago•0 comments

AI Can Generate Code. Is That a Threat to Computer Science Education?

https://www.edweek.org/technology/ai-can-generate-code-is-that-a-threat-to-computer-science-educa...
3•victorbuilds•1h ago•0 comments

Show HN: I cross-compiled llama.cpp to run on Windows XP

https://okt.ai/2025/11/30/running-llms-on-windows-xp-a-weekend-of-controlled-madness/
2•dandinu•1h ago•6 comments

ASCII SkiFree

https://js1k.com/2019-x/demo/4155
3•memalign•1h ago•1 comments

Mapping Amazing: Bee Maps

https://maphappenings.com/2025/11/06/bee-maps/
2•altilunium•1h ago•0 comments

Why gRPC Uses HTTP2

https://arpitbhayani.me/blogs/grpc-http2/
2•ashok476•1h ago•0 comments

Show HN: AIDictation – zero data retention dictation app

https://aidictation.com
1•vood•1h ago•0 comments

Kids Still Need to Learn to Code in the AI Era

https://time.com/7333550/learn-to-code-in-ai-era/
1•victorbuilds•1h ago•0 comments

How to Train a Z-Image-Turbo LoRA with AI Toolkit [video]

https://www.youtube.com/watch?v=Kmve1_jiDpQ
1•doener•1h ago•1 comments

Collection of best papers from top AI conferences

https://github.com/SarahRastegar/Best-Papers-Top-Venues
3•Maro•1h ago•0 comments