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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!

Adaptable Engineers Hold Key Skills in the AI Era

https://spectrum.ieee.org/adaptable-engineer-core-skills
1•rbanffy•52s ago•0 comments

The journalist facing an $800 daily fine to keep her sources secret

https://www.theguardian.com/media/ng-interactive/2026/aug/25/catherine-herridge-journalist-suprem...
1•geox•2m ago•0 comments

As CTE Cases Soar, Why Do Football Crowds Still Go Wild?

https://www.nytimes.com/2026/08/26/us/nfl-cte.html
1•JumpCrisscross•2m ago•0 comments

Show HN: I have feelings about my tasks

https://taskroom.autobirds.com/
1•eyalgoren•3m ago•0 comments

Adding CPU affinity in a 24-core build machine made builds take longer

https://infosec.exchange/@david_chisnall/117156204452541109
1•birdculture•3m ago•0 comments

Ukraine's Most Potent Weapon: The Software Orchestrating Its Drone Army

https://www.nytimes.com/2026/08/26/world/europe/ukraine-delta-battlefield-management.html
1•0in•4m ago•0 comments

U.S. gov't moves to suppress pushback on data centers

https://www.tomshardware.com/tech-industry/data-centers/u-s-govt-moves-to-suppress-pushback-on-da...
2•rbanffy•6m ago•0 comments

Vulnerability researchers were repeatedly targeted by trojanised exploits

https://www.sekoia.com/blog/dont-eat-the-chocopocs-how-vulnerability-researchers-were-repeatedly-...
1•hacb•8m ago•0 comments

PyCharm and Django Fall Fundraiser

https://www.djangoproject.com/weblog/2026/aug/25/pycharm-django-fall-fundraiser/
1•lumpa•8m ago•0 comments

Mark Zuckerberg had a bold plan to replace Meta staff with AI

https://www.reuters.com/investigations/mark-zuckerberg-had-bold-plan-replace-meta-staff-with-ai-h...
2•T-zex•9m ago•0 comments

Show HN: Exit planning guidance for private company owners

https://nextgenseller.com/
1•not_wowinter14•9m ago•0 comments

Relm4 makes developing beautiful cross-platform applications idiomatic

https://relm4.org/
1•Bluestein•11m ago•0 comments

Universal Blue is a manufacturing process focusing on community-driven sharing

https://universal-blue.org/
1•Bluestein•18m ago•0 comments

Debian polls its developers on AI: permit or ban?

https://www.theregister.com/ai-and-ml/2026/08/26/debian-polls-its-developers-on-whether-to-burn-t...
2•lproven•19m ago•1 comments

My typical Niri setup and workspace organization

https://community.latenode.com/t/my-typical-niri-setup-and-workspace-organization/31587
1•Bluestein•20m ago•0 comments

Bill Gates was an AI optimist. Now he's scared of what could go wrong

https://www.washingtonpost.com/technology/2026/08/26/bill-gates-says-he-worried-ai-will-harm-work...
1•voxleone•21m ago•0 comments

France to ease strict rules on iconic cheeses as heat dries pastures

https://www.france24.com/en/france/20260826-france-eases-cow-diets-as-cheesemakers-sweat
2•bookofjoe•21m ago•0 comments

'It seems crazy': SpaceX's orbital data centre bet tests physics and finance

https://www.ft.com/content/41e60b41-5f13-4d72-8dfc-9bab83f57fb3
1•doener•22m ago•0 comments

The choices we make about AI now are critical – Bill Gates

https://www.gatesnotes.com/work/make-ai-work-for-everyone/reader/a-turbulent-ai-era-and-critical-...
1•stareatgoats•22m ago•0 comments

Rainbow Six Tactics announced with single-player turn-based combat

https://www.notebookcheck.net/Rainbow-Six-Tactics-announced-with-single-player-turn-based-combat....
1•DarrylLinington•24m ago•0 comments

The Feeling of Power (Asimov, 1958)

https://archive.org/details/1958-02_IF
3•irdc•24m ago•1 comments

It's Not the End of Programming

https://mathstodon.xyz/@abuseofnotation/117161292083848755
4•boris_m•25m ago•0 comments

I Stabilized Never Type

https://blog.ihatereality.space/0C-never-type/
1•ramon156•25m ago•0 comments

Apple Updates Mini and Studio, AI Computers, OpenAI Jalapeño

https://stratechery.com/2026/apple-updates-mini-and-studio-ai-computers-openai-jalapeno/
2•swolpers•26m ago•0 comments

Hot Chips 2026: Fujitsu's Monaka CPU – By Chester Lam

https://chipsandcheese.com/p/hot-chips-2026-fujitsus-monaka-cpu
2•rbanffy•28m ago•0 comments

Bluefin – The Next Generation Linux Workstation

https://projectbluefin.io/
1•janandonly•29m ago•0 comments

Trump tried to curb clean energy. It's booming anyway

https://arstechnica.com/science/2026/08/trump-tried-to-curb-clean-energy-its-booming-anyway/
2•rbanffy•29m ago•0 comments

Moonshot in talks with Microsoft, Amazon, Google over K3 inference revenue share

https://www.reuters.com/business/retail-consumer/chinas-moonshot-talks-with-microsoft-amazon-goog...
3•garo-pro•30m ago•1 comments

The Math That Predicts Almost Anything: Markov Chains [video]

https://www.youtube.com/watch?v=KZeIEiBrT_w
2•binyu•30m ago•0 comments

Show HN: A daily word game where you cut a sentence to five of its words

https://sheets.works/long-story-short
2•lordbubbles•37m ago•0 comments