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Show HN: DT Gatekeeper – a GPT that maps decision closures before they lock in

https://chatgpt.com/g/g-69538d028b148191850423a69f88bd63-dt-gatekeeper
1•Yusufshunan•2h ago
Built this as an experiment in pre-decision analysis.

DT Gatekeeper doesn’t recommend actions or optimize outcomes. It evaluates proposed decisions and surfaces what futures get closed once you proceed.

Curious whether this kind of decision “gate” is practically useful, or just interesting in theory.

Ask HN: Does enterprise GenAI adoption come from constraint, not intelligence?

1•genum_Lab•1m ago•0 comments

Towards an Algebraic Theory of Context-Free Languages (1996) [pdf]

http://www-igm.univ-mlv.fr/~berstel/Articles/1996AlgebraicTheory.pdf
1•aebtebeten•6m ago•0 comments

Are We Compressed Yet?

https://github.com/xiph/awcy
1•tosh•7m ago•0 comments

The Ascent of the AI Therapist

https://www.technologyreview.com/2025/12/30/1129392/book-reviews-ai-therapy-mental-health/
1•fleahunter•10m ago•0 comments

My Three-Day Retreat in Total Darkness

https://www.nytimes.com/2025/10/21/magazine/dark-retreat-meditation-sensory-deprivation-spiritual...
1•bookofjoe•11m ago•1 comments

I partnered with a 1.5M influencer to build then "Anti-Duolinguo"

https://apps.apple.com/fr/app/english-with-lewis/id6755333340
1•0xreskue•11m ago•1 comments

Show HN: Rate my day – rate your daily mood for the full year in the single page

https://ratemyday.1link.fun/
1•wenjian•13m ago•0 comments

DeepMind Researcher's Summary of 2025

https://zhengdongwang.com/2025/12/30/2025-letter.html
1•jacobedawson•14m ago•0 comments

I Need Advice

2•UmutAkarsu•17m ago•1 comments

The Path to Mojo 1.0

https://www.modular.com/blog/the-path-to-mojo-1-0
1•tosh•18m ago•0 comments

Ruby Array Pack Bleed – Impacts Ruby 1.6.7 to 4.0.0

https://nastystereo.com/security/ruby-pack.html
2•pentestercrab•19m ago•0 comments

Video Streaming with the AV1 Video Codec in Mobile Devices

https://engineering.fb.com/2025/09/24/video-engineering/video-streaming-with-av1-video-codec-mobi...
2•tosh•20m ago•0 comments

Nicolas Guillou, French ICC judge sanctioned by the US and "debanked"

https://www.lemonde.fr/en/international/article/2025/11/19/nicolas-guillou-french-icc-judge-sanct...
13•lifeisstillgood•20m ago•4 comments

Debugging for Systems Programming Learning

1•elusivenode•22m ago•0 comments

Show HN: I built an app to capture 5 seconds of my life every day

https://www.snappit.co
1•VivienMahe•30m ago•0 comments

Turkey's ancient, caffeine-free coffee alternative

https://www.bbc.com/travel/article/20251219-menengic-turkeys-ancient-caffeine-free-coffee-alterna...
1•koolhead17•32m ago•1 comments

AI Slop Is Spurring Record Requests for Imaginary Journals

https://www.scientificamerican.com/article/ai-slop-is-spurring-record-requests-for-imaginary-jour...
1•JumpCrisscross•33m ago•0 comments

Project Silica's glass storage archive tech progress

https://blocksandfiles.com/2025/12/23/project-silicas-glass-storage-archive-tech-progress/
1•rbanffy•33m ago•0 comments

The Gorman Paradox: An Explanation? – Codemanship's Blog

https://codemanship.wordpress.com/2025/12/15/the-gorman-paradox-an-explanation/
1•lifeisstillgood•33m ago•0 comments

Let us mathematically prove how much hope you have left

https://rtnf.substack.com/p/shall-we-give-up-now
1•altilunium•43m ago•0 comments

Bichon: A lightweight, high-performance Rust email archiver with WebUI

https://github.com/rustmailer/bichon
2•rendx•44m ago•1 comments

The Sparsely-Gated Mixture-of-Experts Layer (2017) [pdf]

https://arxiv.org/abs/1701.06538
1•swatson741•45m ago•0 comments

Z.ai going to IPO Jan 8

https://twitter.com/zixuanli_/status/2005809204553040000
2•Alifatisk•46m ago•1 comments

Steve Wozniak was the technologist, Steve Jobs was the salesman [video]

https://www.youtube.com/shorts/NksD1AIz_Pw
2•hagbard_c•46m ago•0 comments

Size_lru: Maximum Hit Density Cache

https://crates.io/crates/size_lru
1•rmw-link•49m ago•1 comments

We built a free app analytics tool

https://appark.ai
1•xuechen006•51m ago•0 comments

How to Ruin All of Package Management

https://nesbitt.io/2025/12/27/how-to-ruin-all-of-package-management.html
1•progval•51m ago•0 comments

Show HN: Make 67 – a tiny maths game

https://simondarcyonline.com/67/
1•sidarcy•52m ago•0 comments

Year-end recap: The protocol upgrades that defined crypto in 2025

https://altcoindesk.com/perspectives/expert-opinions/year-end-recap-the-protocol-upgrades-that-de...
1•AishwaryaTiwari•55m ago•0 comments

List of predictions for autonomous Tesla vehicles by Elon Musk

https://en.wikipedia.org/wiki/List_of_predictions_for_autonomous_Tesla_vehicles_by_Elon_Musk
3•andrepd•56m ago•0 comments