Replacing a $3000/mo Heroku bill with a $55/mo server
At Disco, we help teams escape expensive PaaS pricing while keeping the developer experience they love. This is the story of how Idealist.org, the world’s largest nonprofit job board, tackled a common and expensive challenge: the rising cost of staging environments on Heroku. To give a sense of scale, the site handles millions of monthly […]
Magit Is Amazing
heiwiper’s website I was reading a post about Jujutsu version control system the other day and that just made me realize how awesome is Magit! Published Oct 15, 2025, Updated Oct 15, 2025 I’ve been hearing a lot about Jujutsu VCS lately, and when I say a lot I mean maybe 5 times this year. […]
World Simulator: Create and Play Interactive AI Worlds
With Jesus Step into the sandals of a humble fisherman in “With Jesus,” where the shores of Galilee beckon you toward faith, wisdom, and purpose. Experience the warmth of community, the thrill of discovery, and the magnetic presence of a transformative figure. Will you find your calling amidst the whispers of the divine?
Build Your Own Database
A step-by-step guide to building a key-value database from scratch. If you were to build your own database today, not knowing that databases exist already, how would you do it? In this post, we’ll explore how to build a key-value database from the ground up. A key-value database works more or less like objects in […]
Ask HN: Our AWS account got compromised after their outage
Could there be any link between the two events? Here is what happened: Some 600 instances were spawned within 3 hours before AWS flagged it off and sent us a health event. There were numerous domains verified and we could see SES quota increase request was made. We are still investigating the vulnerability at our […]
Foreign hackers breached a US nuclear weapons plant via SharePoint flaws
Such access, Sovada adds, could also affect distribution control systems that oversee quality assurance, or supervisory control and data acquisition (SCADA) systems that manage utilities, power, and environmental controls. “It’s broader than just an IT vulnerability,” she says. IT/OT convergence and the zero-trust gap The Kansas City incident highlights a systemic problem across the federal […]
Show HN: Katakate – Dozens of VMs per node for safe code exec
KATAKATE Self-hosted secure VM sandboxes for AI compute at scale Katakate aims to make it easy to create, manage and orchestrate lightweight safe VM sandboxes for executing untrusted code, at scale. It is built on battle-tested VM isolation with Kata, Firecracker and Kubernetes. It is orignally motivated by AI agents that need to run arbitrary […]
LLMs can get “brain rot”
We propose and test the LLM Brain Rot Hypothesis: continual exposure to junk web text induces lasting cognitive decline in large language models (LLMs). To causally isolate data quality, we run controlled experiments on real Twitter/X corpora, constructing junk and reversely controlled datasets via two orthogonal operationalizations: M1 (engagement degree) and M2 (semantic quality), with […]
The Karpathy Interview, 6 Months After AI 2027
Andrej Karpathy: “There’s some over-prediction going on in the industry…” Dwarkesh Patel: “What do you think will take a decade to accomplish? What are the bottlenecks?” Andrej Karpathy: “Actually making it work.” —Dwarkesh Podcast, Oct 17, 2025 6 months ago, in April 2025, Dwarkesh announced the AI 2027 project on his podcast, interviewing authors Daniel […]
Ilo – a Forth system running on UEFI
While this site doesn’t provide GIF conversion at the moment, you can still do it yourself with the help of asciinema GIF generator utility – agg. Once you have it installed, generate a GIF with the following command: agg https://asciinema.org/a/Lbxa2w9R5IbaJqW3INqVrbX8E demo.gif Or, if you already downloaded the recording file: agg demo.cast demo.gif Check agg –help […]