Super HN

New Show
241. Floppy disks turn out to be the greatest TV remote for kids
242. A 40-Line Fix Eliminated a 400x Performance Gap
A deep dive into an OpenJDK commit that replaced slow /proc file parsing with a single syscall, revealing obscure Linux kernel internals and a 20-year-old optimization opportunity.
243. A university got itself banned from the Linux kernel
The University of Minnesota has been banned from contributing to the Linux kernel after a body of research drew ire from the developer community. Lessons were learned — though not entirely the lessons the researchers intended.
244. Project SkyWatch (a.k.a. Wescam at Home)
245. Stop using natural language interfaces
Natural language is a wonderful interface, but just because we suddenly can doesn't mean we always should.
246. ChatGPT is getting ads. Sam Altman once called them a 'last resort.'
The move to integrate ads into ChatGPT comes as OpenAI looks to increase its revenue amid $1.4 trillion in spending commitments and a possible IPO.
247. 1000 Blank White Cards
248. Every GitHub Object Has Two IDs
How I reverse-engineered GitHub node IDs to avoid a database migration and discovered their dual ID system along the way.
249. Drawbot: Let's hack something cute (2025)
250. ChromaDB Explorer
A beautiful, native desktop application for exploring and managing your ChromaDB vector databases. Browse collections, search semantically, and manage your embeddings with ease.
251. Tell HN: The way I do simple data management for new prototypes
252. Ozempic reduced grocery spending by an average of 5.3% in the US
The new class of weight-loss and diabetes drugs are changing not just how much American households are eating, but even precisely what they buy at a supermarket or restaurant.
253. Superhuman AI exfiltrates emails
Superhuman AI was able to exfiltrate sensitive emails from user accounts - without the user even being aware. This vulnerability was rapidly remediated by the Superhuman team.
254. The Emacs Widget Library: A Critique and Case Study
Engineering manager, Emacs enthusiast, and open source maintainer. Writing about software, tooling, and personal productivity.
255. FOSS in times of war, scarcity and (adversarial) AI [video]
256. Programming, Evolved: Lessons and Observations
dotfiles. Contribute to kulesh/dotfiles development by creating an account on GitHub.
257. Postal Arbitrage
258. OBS Studio 32.1.0 Beta 1 available
OBS Studio - Free and open source software for live streaming and screen recording - Release OBS Studio 32.1.0 Beta 1 · obsproject/obs-studio
259. 2026 is the Year of Self-hosting
CLI agents like Claude Code make self-hosting dramatically easier and actually fun. This is the first time I would recommend it to normal software-literate people.
260. The Influentists: AI hype without proof
Why we are losing technical rigor to social hype
261. The Unbearable Frustration of Figuring Out APIs
or: Writing a Translation Command Line Tool in Swift.
262. I built Vector. Now I'm answering the question your observability vendor won't
After a decade in observability, I kept bumping into one question no vendor would answer: how much of your data is waste?
263. Playing Arcade Mahjong at Home? Or is it just a Mirage?
A lot of the things I’ve looked at on this blog have never left Japan, often for good reason. One genre that stands out in this is mahjong, a tile-based gamb...
264. Why Every Country Should Set 16 as the Minimum Age for Social Media Accounts
Four features of strong age-limit policies for countries ready to follow Australia’s brave lead
265. GitHub Incident
GitHub's Status Page - Incident with Issues and Pull Requests.
266. Is Fast Charging Killing the Battery? A 2-Year Test on 40 Phones [video]
Is fast charging actually killing the battery? What's the best way to charge your phone? Will battery degradation make your phone lag or slow down? At what p...
267. Show HN: A 10KiB kernel for cloud apps
BareMetal for the private/public cloud. Contribute to ReturnInfinity/BareMetal-Cloud development by creating an account on GitHub.
268. I Love You, Redis, but I'm Leaving You for SolidQueue
Rails 8 eliminates Redis from the default stack. Learn how SolidQueue, SolidCache, and SolidCable replace Redis for job processing, caching, and real-time updates—powered entirely by PostgreSQL. Explore the true cost of Redis, how SolidQueue works, when it scales, and how to migrate from Sidekiq to a simpler, Redis-free Rails architecture.
269. Ask HN: How have you or your firm made money with LLMs?
270. Impeccable Style
1 skill, 17 commands, and curated anti-patterns for impeccable frontend design. Works with Cursor, Claude Code, Gemini CLI, and Codex CLI.