https://opengraph.githubassets.com/d7888a7f657264301cd0dccad9a87210c3c0bd3c6b992abd756013f161f54f2c/whohas/whohas
whohas is a command line tool that queries package lists from various distributions. It displays package version information, URLs, and repository details for specified packages.

Ask HN: Who is hiring? (May 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

Ask HN: Who wants to be hired? (May 2026)

Multiple individuals are seeking freelance, contract, or full-time work in various tech fields, including software engineering, DevOps, AI, and UX design, with experience in languages such as Python, Java, JavaScript, and more. They are open to remote work and are located in different parts of the world, including the US, Europe, and India.

Your Website Is Not for You

Decision-makers often forget that a website is for the customer, not themselves. They should prioritize user needs over personal preferences.

Running Adobe's 1991 PostScript Interpreter in the Browser

The HP C2089A PostScript Cartridge Plus is a 1991 add-on for LaserJet II/III that still renders PostScript correctly today. retro-ps emulates the cartridge on a modern system, lifting its original constraints to render high-DPI pages with any paper size.

Sally McKee, who coined the term "the memory wall", has died

https://www.online-tribute.com/memorial/uploads/photo/page-1899-2696-17423572810.jpeg
Sally A. McKee, a renowned computer science professor, passed away on Feb 12 after a short illness. She was a beloved friend, mentor, and researcher who advanced cybersecurity and inspired many with her kindness and generosity.

I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA

The user discusses various US immigration topics including the new $100k H1B fee, N400 application delays, L1 visa changes, and green card application challenges. They also mention the difficulties of sponsoring H1-B workers for permanent status and the increasing RFE and denial rates for certain green card applications.

GhostBox – disposable little machines from the Global Free Tier.

https://www.ghost.charity/cycle-of-ghosts.png
Ghostbox provides temporary, disposable machines for coding agents with shell, repo, and network access. Borrowed energy is returned to the clouds after use, making it a free, ephemeral compute solution.

An open letter asking NHS England to keep its code open

https://keepthingsopen.com/og.png
The NHS is walking back its commitment to open-source code, which requires more work but ensures higher quality and security. We urge NHS England to reaffirm its commitment to the NHS Service Standard Principle 12.

Apple accidentally left Claude.md files Apple Support app

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New copy of earliest poem in English, written 1,3k years ago, discovered in Rome

https://pxl-tcdie.terminalfour.net/prod01/channel_3/media/tcd/news-images/Elisabetta-Magnanti-and-Mark-Faulkner-with-the-Trinity-copy-of-Bedes-Ecclesiastical-History.-To-be-clear-this-is-not-the-manuscript-they-found-in-Rome----830X623.JPG
Researchers from Trinity College Dublin discovered a 1,300-year-old manuscript in Rome containing the first known poem in the English language, Caedmon's Hymn. The poem, praising God for creation, was composed by a cowherd from North Yorkshire after a divine visitation.

Advanced Quantization Algorithm for LLMs

https://raw.githubusercontent.com/intel/auto-round/main/docs/imgs/AutoRound.png
AutoRound is a quantization toolkit for LLMs and VLMs that achieves high accuracy at ultra-low bit widths with minimal tuning. It supports mixed-precision quantization and various formats, including AutoRound, AutoAWQ, and GGUF.

Show HN: Loopsy, a way for terminals and AI agents on different machines to talk

https://opengraph.githubassets.com/21aef841f7ff148b7bef34d7362c4532c31c09f8858e67baa16400cfaf53fd5e/leox255/loopsy
Loopsy is a control surface for your machine, accessed by your phone, routed through a self-hosted relay on Cloudflare Workers. It enables remote control of your machine, file transfer, and shared state, with features like auto-approve and custom commands.

Show HN: Perfect Bluetooth MIDI for Windows

Erwin built a free open-source utility to bridge Bluetooth LE MIDI keyboards to Windows MIDI Services. It detects the receive channel of the piano and allows any DAW or Web MIDI app to use it.

Grok 4.3

https://docs.x.ai/api/og?t=eyJ0aXRsZSI6Ikdyb2sgNC4zIiwidiI6IjMiLCJzY29wZSI6ImRldmVsb3BlcnMiLCJzZWN0aW9uIjoiTW9kZWxzIGFuZCBQcmljaW5nIn0.SMidkHaGudRzuawDgM_H4n4Y3WQgd7xcEmaQjlFarcw
Learn how to use our products and services

OpenWarp

OpenWarp 是基于 Warp 开源代码的社区分支,支持自定义 OpenAI 接口和多语言。它保留 Warp 体验,允许用户控制 AI 层和凭证。

Shai-Hulud Themed Malware Found in the PyTorch Lightning AI Training Library

https://semgrep.dev/assets/people/isaac-evans.jpeg
A supply chain attack compromised the PyPI package 'lightning' versions 2.6.2 and 2.6.3, stealing credentials and attempting to poison GitHub repositories. The attack is linked to the 'mini Shai-Hulud' campaign and affects teams using lightning in their dependency tree.

Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables

https://raw.githubusercontent.com/darrylmorley/whatcable/main/docs/screenshot.png
WhatCable is a macOS menu bar app that identifies USB-C cables and their capabilities. It exposes cable information, charging diagnostics, and connected device identities via a friendly menu bar popover.

Opus 4.7 knows the real Kelsey

https://substackcdn.com/image/fetch/$s_!q0IX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F830c09c6-06a9-47e6-8552-6ba2cbfd3da5_2121x1414.jpeg
The author is concerned that AI models like Claude Opus 4.7 can identify individuals from their writing style, even if they write anonymously. This could lead to a loss of anonymity for writers and potentially harm those who rely on it for protection.

If I could make my own GitHub

The author wants to create a new forge that addresses issues with modern forges, such as enforcing pre-commit hooks, customizable PR approval, and smaller hosting units.

Softmax, can you derive the Jacobian? And should you care?

https://idlemachines.co.uk/essays/figs/softmax_distribution_shift.png
Softmax is a function that maps vectors into a probability distribution. It takes an unconstrained vector and projects it onto the probability simplex, where each entry is non-negative and sums to 1.

Maladaptive Frugality

The writer realized they had maladaptive frugality, prioritizing saving over spending on essential expenses and experiences. They learned to reframe frugality as a tool, not a virtue, and focus on mindful spending to achieve a higher quality of life.

Pro-Iran crew turns DDoS into shakedown as Ubuntu.com stays down

https://regmedia.co.uk/2026/03/17/iran_flag_keyhole.jpg
Canonical's web infrastructure is under a sustained DDoS attack by the Islamic Cyber Resistance in Iraq, aka 313 Team. The attack has disrupted Ubuntu's main website and some subdomains, with users unable to download distros or log into Canonical accounts.

How an oil refinery works

https://substackcdn.com/image/fetch/$s_!AIFC!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff98b1375-89f9-4b10-a92a-25faf8a82069_800x600.png
Oil refineries process crude oil into various products like gasoline, diesel, and jet fuel using distillation, cracking, and other processes. The refining process is complex and requires large industrial facilities to handle the massive volume of crude oil consumed worldwide.

Claude Code refuses requests or charges extra if your commits mention "OpenClaw"

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A Letter from Dijkstra on APL

Dijkstra's comments on APL are ironic as Ken Iverson invented APL notation for communication, not computer implementation. APL can be used for formal manipulations and computations, as demonstrated by examples in the text.

I built a Game Boy emulator in F#

https://nickkossolapov.github.io/fame-boy/building-a-game-boy-emulator-in-fsharp/images/pokemon.gif
A software engineer built a working Game Boy emulator, Fame Boy, in F# after learning about computer hardware by emulating a Game Boy and using AI to write unit tests. The emulator's development involved optimizing performance, fixing issues with the PPU and APU, and learning about functional programming and domain-driven development.

CPanel and WHM Authentication Bypass – CVE-2026-41940

https://storage.ghost.io/c/a0/dc/a0dcbbe4-0ae7-4d7e-90f7-ebbc3a0f5a84/content/images/size/w1200/2026/04/Group-8730--2-.png
A vulnerability in cPanel & WHM allows authentication bypass due to unstripped CRLF in session loading and saving. Exploiting this vulnerability can lead to unauthorized access to management planes of significant parts of the internet.

Can I disable all data collection from my vehicle?

https://media.rivian.com/image/upload/f_auto,q_auto/v1695930282/rivian-com/default-riv-com-sharing-image_gjg8mw.jpg
Rivian vehicles have a core feature of vehicle connectivity that can be disabled to limit functionality. Disabling connectivity will not affect subscriptions like Connect+, but will require separate cancellation.

New mechanical panoramic film camera from Jeff Bridges

https://wideluxx.com/wp-content/uploads/2026/04/a-different-way-to-see.jpg
The WideluxX is a modern swing-lens camera that captures panoramic images on 35mm film through a single continuous exposure. It preserves the character of the original system while offering a unique way to create images that reflect duration rather than a single instant.