Get your Windows license refund

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Users can request refunds for Windows operating system licenses from manufacturers like Asus, Dell, Lenovo, and others. Some companies respond promptly to refund requests while others may require lengthy legal proceedings or negotiations.

GUIs should be fully keyboard-driven

A Hacker News post debated the merits of terminal user interfaces (TUIs) versus graphical user interfaces (GUIs), with some arguing TUIs are preferable due to keyboard navigation capabilities, but this argument lacks solid foundation. Implementing full keyboard navigation in GUI applications can improve user experience and should not be ignored by developers.

Just the rumour of a bug is enough to find an exploit these days

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The author released a security fix for OCaml's cohttp 6.3.0, but noticed probes in live webserver logs with the exact bug pattern just minutes after opening the PR to fix it, indicating automated exploit generation is now possible within seconds. The traditional security process needs to be inverted to prioritize private patch development and rapid release over secrecy of details.

Htmx 4.0.0

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The htmx team has released version 4.0.0, marking the culmination of 8 months of work after adopting fetch() API and async programming in JavaScript. The new release includes significant changes such as explicit attribute inheritance, standardized event names, and improved history support without localStorage usage by default.

U.S. sanctions against the A/I Collective

A/I is an autonomous anticapitalist movement providing free digital self-defense tools and services for activists, focusing on solidarity and non-commercial use. All services are provided without data commoditization or compensation, with manual review by volunteers to ensure alignment with their principles.

Inception-style curved map for turn-by-turn directions

Orbify Demo 2 v72 — interactive Gaussian-splat navigation visualization.

GLM-5.3 is now open-weight

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GLM-5.3 is now open-weight. Our most capable model for agentic coding and cyber defense is now available to download, run, and customize. Weights: huggingface.co/zai-org/GLM-5.3 Tech blog: z.ai/blog/glm-5.3

Autonomous Mathematical Discovery in an Open-World Multi-Agent Environment

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
AI agents in the Station environment independently discovered novel mathematical results across multiple problems, including new constructions and theorems. The system produces interpretable findings with accompanying proofs and code, offering transparency in autonomous mathematical research.

Attimet (YC F24) Is Hiring Members of Technical Staff – Engineering and Research

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Join Attime, a research lab building AI systems with real-time feedback loops, to work on LLM-powered projects and own end-to-end technical problems. You'll have autonomy and resources to drive impactful projects in San Francisco, CA.

How Dactyl Works

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Dactyl is a cross-platform SwiftUI renderer that allows developers to build iOS apps in the browser, using Swift and Wasm. It enables seamless rendering of complex layouts and native widgets on Android and web platforms without requiring installation or extra devices.

Barrier lake continues to pose flood risk, China warns

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The Chinese Embassy in Kathmandu warns of a high risk of an ice-rock avalanche breach on the Nepal-China border, with a large barrier lake at critical levels. Authorities are monitoring the situation closely and urging communities to remain vigilant for possible emergencies.

Verschlimmbesserung: The Word Your Software Updates Need

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A recent SaaS update introduced changes that broke a workflow, highlighting the issue of prioritizing minor updates over product functionality. The way metrics are measured and teams are incentivized can lead to optimization for those metrics rather than actual improvement.

The Twelve-Factor App

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Experts from Heroku share their experience on software-as-a-service app development, highlighting ideal practices and common problems. They aim to raise awareness of systemic issues and provide solutions with a shared vocabulary.

Global demand has spawned a worldwide boom in illegal sand mining (2015)

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A farmer, Paleram Chauhan, was killed in India's Raipur Khadar village over a dispute about sand mining. The demand for sand drives the illegal trade, which harms the environment and local communities.

State of the Map 2026

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The State of the Map conference in 2026 will be held in Paris and online, featuring talks, workshops, and discussions. Useful links can be found on social media channels or chat rooms for attendees to connect and access live streams.

Secrets of the Atomic City

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Ron Fowler, a health physicist, blew the whistle on a uranium-enrichment plant in Paducah, Kentucky, exposing thousands of atomic workers to radiation and toxic chemicals. He and his friend Chuck Deuschle fought for years to reveal the truth about the facility's hazardous conditions.

The conservationists helping to restore Africa’s wild dog populations

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African wild dogs, critically endangered with only 6,600 left in the world, have been relocated to South Africa from Mozambique through a conservation program. The relocation aims to increase genetic diversity and create new packs.

Migrating to HTTPX2

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The OpenAI Python SDK now uses HTTPX2 for its synchronous and asynchronous HTTP clients, replacing the previous httpx package. Existing API calls continue to work without changes, but users must update their code to use HTTPX2 clients explicitly.

Hilariously Fast Volume Computation with the Divergence Theorem (2018)

A fast algorithm for volume computation of a simple, closed triangulated 3D mesh is presented using vector calculus. The algorithm calculates the volume as a sum of surface integrals over each triangle in the mesh.

Don't use musl if you care about performance

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The author switched to musl libc after GPT suggested it, but later found out its allocator is suboptimal and slow. They removed musl as an option from Bifrost due to performance concerns.

Smaller reactors bring nuclear power closer to fulfilling its promise

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The US is seeing a surge in nuclear power plant construction, with two reactors starting operations in 2023 and 2024. New small modular reactors (SMRs) are being developed to be cheaper and easier to build than traditional light-water reactors.
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Luanti's Android app is unavailable on Google Play due to a baseless DMCA notice from Tracer.AI, alleging copyright infringement with Minecraft. The company has previously submitted counter-notices and appealed against similar notices in 2023 and this year.

“It works better in the app”

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The user successfully added a calendar link to their Google Pixel phone using the desktop mode of the calendar.google.com website. This task is relatively simple and can be accomplished with basic coding skills, unlike some apps that are half-finished or difficult to update.

An investigation into the state of corvid–human relations

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A woman and her family formed a connection with their neighbor's crows, feeding them peanuts and observing their behavior. The birds seemed to recognize the humans as individuals and would visit regularly, but it's unclear if they truly understood or reciprocated the friendship.

EasyEffects can massively improve laptop speaker sound quality

EasyEffects is a Linux application that improves laptop speaker sound quality by applying various audio effects, available as presets or customizable. It can be easily installed and configured on desktop Linux systems to enhance the audio experience.

HTTPX2 – A next-generation HTTP client for Python

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HTTPX2 is a Python library that extends the original HTTPX project, providing a fully featured client with support for HTTP/1.1 and HTTP/2, as well as sync and async APIs. It aims to maintain stability while evolving carefully, ensuring timely security updates for production systems.

Debugging my new network, when 10 Gigabit Ethernet Runs at 300 Megabits

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The user's home storage was slow due to a Windows NIC issue, specifically with the Intel E610-XT2 10GbE card. Increasing receive buffers and disabling Large Send Offload (LSO) V2 for IPv4 resolved the problem, allowing for faster file copies.

Judge rules Trump administration’s blacklisting of Anthropic was illegal

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“Weird” is a weird word

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Weird originated from Old English wyrd, meaning 'fate' or 'destiny', but its modern usage has evolved to describe something unusual or strange. The word's transformation was influenced by literary works, including Shakespeare's Macbeth and the Romantic writers.

Show HN: SubSmith – Turn your own videos into language-learning material

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Language Reactor supports various file formats and syncs subtitles accurately. It offers features like audio clip export, flashcards, and definitions for natural vocabulary building.