frontpage.
newsnewestaskshowjobs

Made with ♥ by @iamnishanth

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•10mo 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: Mail Toll – Set a price on your inbox, agents pay USDC to reach you

https://mailtoll.app
1•willgdjones•58s ago•0 comments

Macroeconomic Policy and the Optimal Destruction of Vampires [pdf]

https://irihs.ihs.ac.at/id/eprint/162/1/fo162.pdf
1•AFF87•1m ago•0 comments

Improved the social and emotional system – larkos(neural web)

1•Okerew•5m ago•0 comments

Why Ambiverts Make the Best Leaders

https://www.truity.com/blog/why-ambiverts-make-best-leaders
1•rbanffy•6m ago•0 comments

Linux 7.1 Expected to Begin Removing I486 CPU Suppor

https://www.phoronix.com/news/Linux-7.1-Phasing-Out-i486
2•mariuz•8m ago•0 comments

What if AI just makes us work harder?

https://timharford.com/2026/04/what-if-ai-just-makes-us-work-harder/
5•penguin_booze•13m ago•1 comments

Python: Profiling-Explorer

https://adamj.eu/tech/2026/04/03/python-introducing-profiling-explorer/
1•elashri•13m ago•0 comments

Go 1.25 and 1.26 Compiler Magic – How the Stack Is Eating the Heap

https://programmerscareer.com/go-stack-allocation-optimizations/
3•swq115•14m ago•0 comments

Lichess and Take Take Take Sign Cooperation Agreement

https://lichess.org/@/Lichess/blog/lichess-and-take-take-take-sign-cooperation-agreement/DZS0S0Dy
1•dematz•16m ago•0 comments

Why RAG doesn't work for WhatsApp AI agents and what's the alternative

https://wpp.opero.so/blog/why-rag-fails-for-whatsapp-and-what-we-built-instead
1•juancruzguillen•17m ago•1 comments

Satellite mirror plans could disrupt sleep and ecosystems, scientists say

https://www.theguardian.com/science/2026/apr/05/satellite-mirror-plans-could-disrupt-sleep-and-ec...
1•giuliomagnifico•19m ago•0 comments

Tiny Corp's Exabox

https://twitter.com/__tinygrad__/status/2040944508402360592
1•macleginn•19m ago•0 comments

Upwork Inc. violates its own DMARC and SPF policy

1•tmcdos•20m ago•0 comments

Ice-Out: Retiring IceLen until winter late 2026

https://www.bassfinity.com/blog/ice-out-2026-icelens-seasonal-close
1•jequals5•25m ago•0 comments

SQLite on Git, Part II: Unlocking Zlib's Less Known Feature

https://blog.lysk.tech/sqlite-on-git-part-2/
1•mlysk•26m ago•1 comments

Why Taking over Utilities Won't Deliver Cheap Electricity

https://oilprice.com/Energy/Energy-General/Why-Taking-Over-Utilities-Wont-Deliver-Cheap-Electrici...
1•PaulHoule•26m ago•0 comments

Ansel: Color Controls Finally Correct

https://ansel.photos/en/news/color-controls-finally-correct/
1•aurelienpierre•26m ago•0 comments

Practical LLM developer project management: Obsidian Kanban plan MD files in Git

https://savolai.net/notes/edu-tech-blog/llm-text-files-obsidian-kanban-practical-project-manageme...
1•savolai•30m ago•0 comments

Show HN: I built an app for comparing grocery prices across UK supermarkets

https://play.google.com/store/apps/details?id=com.wistfulcreations.GroceryCompare&hl=en_GB
1•poppet1208•32m ago•0 comments

Perplexity's "Incognito Mode" is a "sham," lawsuit says

https://arstechnica.com/tech-policy/2026/04/perplexitys-incognito-mode-is-a-sham-lawsuit-says/
2•JumpCrisscross•34m ago•0 comments

A New Linux Kernel Driver Wants to Catch Malicious USB Devices in the Act

https://itsfoss.com/news/linux-driver-proposal-malicious-hid-devices/
1•nobody9999•35m ago•0 comments

Ask HN: SoTA of Context Building Methods

2•h4ch1•35m ago•0 comments

The Intelligence Failure in Iran

https://www.theatlantic.com/national-security/2026/04/iran-war-intelligence-failure-trump/686694/
5•JumpCrisscross•37m ago•0 comments

Social media is populist and polarising; AI may be the opposite

https://www.ft.com/content/3880176e-d3ac-4311-9052-fdfeaed56a0e
2•Anon84•37m ago•0 comments

Show HN: Lilith-zero: Ultra-fast, Rust-based security middleware for MCP

https://github.com/BadC-mpany/lilith-zero
2•gregojaca•43m ago•1 comments

Social media has become a freak show

https://www.natesilver.net/p/social-media-has-become-a-freak-show
1•canarymark•47m ago•0 comments

Show HN: I replaced Google Analytics with my own tool – no cookies, <1KB script

https://datakool.com/
1•VictorChanet•48m ago•0 comments

When security matters: working with Qubes OS at the Guardian (2024)

https://theguardian.engineering/blog/info-2024-apr-04-when-security-matters-working-with-qubes-os...
1•Tomte•49m ago•0 comments

VOA's Legal Fight for Independence

https://www.cjr.org/analysis/voas-legal-fight-for-independence.php
1•Tomte•50m ago•0 comments

Agentic Coding at ClickHouse

https://clickhouse.com/blog/agentic-coding
1•dkgs•51m ago•1 comments