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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•8mo 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!

Machinery and English Style (1904)

https://www.theatlantic.com/magazine/archive/1904/10/machinery-and-english-style/637506/
1•danidiaz•5m ago•0 comments

vibebin: code and host inside LXC (Incus) containers on your own VPS/server

https://github.com/jgbrwn/vibebin
1•indigodaddy•8m ago•0 comments

Construction of ESA's ambitious LISA mission begins

https://www.esa.int/Science_Exploration/Space_Science/LISA/Construction_of_ESA_s_ambitious_LISA_m...
1•zeristor•9m ago•0 comments

The Evidence: A Record of Observed Behaviour in External AI Systems

https://www.aivojournal.org/the-evidence-a-record-of-observed-behaviour-in-external-ai-systems/
1•businessmate•10m ago•1 comments

Show HN: Tesla Model Y Juniper First Drive

https://xthe.com/news/tesla-model-y-juniper-first-drive/
1•xthe•14m ago•0 comments

Show HN: I built a tool that generates 22-page competitor reports from your URL

https://champsignal.com/competitive-intelligence-report
1•maximedupre•17m ago•1 comments

OpenClaw: When AI Agents Get Full System Access. Security nightmare?

https://innfactory.ai:443/en/blog/openclaw-ai-agent-security/
1•i-blis•17m ago•0 comments

European and allied cybersecurity strategies shift from defence to offence

https://bindinghook.com/how-european-and-allied-cybersecurity-strategies-are-shifting-from-defenc...
1•campuscodi•18m ago•0 comments

Disgraced Crypto CEO Sam Bankman-Fried Seeks Trump Pardon with Republican Pivot

https://gizmodo.com/disgraced-crypto-ceo-sam-bankman-fried-seeks-trump-pardon-with-republican-piv...
5•pseudolus•22m ago•1 comments

Why I'll Never Drive a Modern Car Again [video]

https://www.youtube.com/watch?v=lEE2-QVnmTU
1•f311a•22m ago•0 comments

A simple HTTPS, HTTP/3, SSL and security headers checker I built with AI

1•dragonman•23m ago•0 comments

DuckDB Performance: File Formats

https://duckdb.org/docs/stable/guides/performance/file_formats
1•tosh•23m ago•0 comments

Leveraged Buyouts Are the Government's Fault

https://deadneurons.substack.com/p/leveraged-buyouts-are-the-governments
1•nr378•23m ago•0 comments

Open-source real-time interactive world model (LingBot-World)

https://www.lingbot-world.org/
1•awei•24m ago•0 comments

Show HN: Give your OpenClaw agent an email address

https://www.clawhub.ai/heyarviind/clawmail
1•heyarviind2•25m ago•0 comments

Amiga Unix (Amix)

https://www.amigaunix.com/doku.php/home
2•donatj•26m ago•0 comments

Show HN: Convert Step to STL Free Online Tool

https://pngtostl.xyz/convert/step-to-stl
1•niliu123•26m ago•0 comments

Sqldef: Idempotent schema management tool for MySQL, PostgreSQL, SQLite

https://sqldef.github.io/
1•Palmik•27m ago•0 comments

Show HN: I built theme support in Tabularis – lightweight DB tool for developers

https://github.com/debba/tabularis
1•debba•27m ago•0 comments

Ask HN: Cheap, powerful AI programming now, what happens when we have no choice?

1•andrewstuart•28m ago•0 comments

Investigation alleges Meta has gained billions from fraudulent social media ads [video]

https://www.youtube.com/watch?v=Et-TOT5wzoE
2•mgh2•29m ago•1 comments

Show HN: Infiltrate Moltbook, the AI-Only Social Network

https://github.com/fritzprix/moltbook_break
1•72ave2•29m ago•0 comments

Wave 14: Arena Mode – May the Best Model Win

https://windsurf.com/blog/windsurf-wave-14
1•tosh•31m ago•0 comments

The Feeling of Power (1958)

https://en.wikipedia.org/wiki/The_Feeling_of_Power
2•_alaya•33m ago•0 comments

Listen to Understand

https://talk.bradwoods.io/blog/listen-to-understand/
1•bradwoodsio•34m ago•0 comments

The Story Behind ECMAScript 4 (2017)

https://auth0.com/blog/the-real-story-behind-es4/
1•m132•34m ago•0 comments

Minute Maid to Discontinue Frozen Orange Juice from Concentrate This Year

https://www.cbc.ca/news/business/minute-maid-discontinuing-frozen-juice-9.7065520
2•bookofjoe•35m ago•1 comments

A single line code change that allows AI agents to learn on the job

https://www.versanovatech.com/docs.html
2•gauravsc•37m ago•0 comments

Microsoft Advises Renaming .exe to .docx in Outlook

https://support.microsoft.com/en-us/office/blocked-attachments-in-outlook-434752e1-02d3-4e90-9124...
4•gabia•37m ago•2 comments

The surprising attention on sprites, exe.dev, & shellbox

https://lalitm.com/trying-sprites-exedev-shellbox/
1•indigodaddy•40m ago•0 comments