Google *Unkills* JPEG XL?

The Chromium team has reversed its decision to kill JPEG XL, a promising image format, and will now support it in Blink, the engine behind Chrome/Chromium/Edge. This move is expected to give JPEG XL a significant boost in adoption, thanks to its superior features and support in the most popular browser engine.

Why xor eax, eax?

A Linux desktop executes many xor instructions due to compilers emitting this sequence to set a register to zero, saving three bytes compared to mov instruction. The CPU optimizes this "zeroing idiom" by removing the operation from the execution queue, taking zero execution cycles.

Ask HN: Who is hiring? (December 2025)

Unto Labs: Developing Thru Layer-1 blockchain, seeking engineers for scalability, performance, and usability challenges. REMOTE (US) or ONSITE (Hybrid OK) in San Francisco, CA.

Cartographers Have Been Hiding Covert Illustrations Inside of Switzerland's Maps

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Swiss cartographers secretly insert illustrations into official maps, defying their mandate for accuracy. These drawings, often humorous or whimsical, have been hidden in maps for decades, with some lasting up to 60 years.

A New AI Winter Is Coming

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The transformer neural network architecture has limitations that cannot be eliminated by scaling, including generating plausible but wrong output, known as hallucinations. This problem is fundamental to how transformers operate and is a manifestation of the NP-completeness wall that caused the first AI winter.

ImAnim: Modern animation capabilities to ImGui applications

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ImAnim adds animation capabilities to ImGui with minimal code. It allows smooth UI animations with one-line code and includes features like hover animations.

Better Auth (YC X25) Is Hiring

Better Auth is hiring a DevRel to grow its community, educate developers, and amplify its presence. The role involves building demos, engaging with the community, and contributing to the codebase.

Search tool that only returns content created before ChatGPT's public release

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A browser extension filters search results to exclude AI-generated content. It uses the Google search API to return results from before November 30, 2022, ensuring human-created content.

Google, Nvidia, and OpenAI – Stratechery by Ben Thompson

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Google's dominance in AI is threatened by OpenAI's ChatGPT, which has a strong moat due to its large user base and potential for advertising revenue. However, Google's structural advantages and resources make it a formidable opponent, and OpenAI's refusal to adopt an advertising model may ultimately lead to its downfall.

Self-hosting a Matrix server for 5 years

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The user has been hosting a Matrix server for five years using Synapse and has experienced issues with data replication, message retention, and user account management, which they believe should be handled by the server rather than scripts. They are considering switching to Snikket due to the complexity and limitations of the Matrix-Element ecosystem, particularly the new Element Server ...

A vector graphics workstation from the 70s

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The user acquired a 1975 Tektronix 4051 graphics workstation, repaired it, and got it working. The machine has 32KB RAM, a Motorola 6800 computer, and can display vector graphics.

The Penicillin Myth

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Alexander Fleming discovered penicillin by chance in 1928, but the story may be exaggerated or inaccurate due to inconsistencies in his account. Scientists have attempted to replicate his discovery but failed, leading to speculation about the true events surrounding the discovery of penicillin.

Historic Engineering Wonders: Photos That Reveal How They Pulled It Off

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Ancient civilizations developed innovative engineering solutions to shape cities, move water, and secure structures. Their achievements, such as hypocaust heating and seismic-resistant foundations, remain impressive today.

Games using anti-cheats and their compatibility with GNU/Linux or Wine/Proton

Make sure to check recent updates, the game is known to break often (And the status may not update to reflect that)

It’s been a very hard year

Andy, founder of Set Studio and Piccalilli, is struggling due to a tough year with economic and political instability, affecting their business. He's asking for support to help them continue producing high-quality content and web projects that benefit people.

A Love Letter to FreeBSD

The writer appreciates FreeBSD's coherence, stability, and quiet strength, comparing it to a mainframe humming in the background. They hope it stays different, earning trust with its reliability and long-term focus.

Writing a good Claude.md

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To onboard Claude into your codebase, use CLAUDE.md to define your project's WHY, WHAT, and HOW, keeping instructions to a minimum and using Progressive Disclosure to avoid bloating the context window. Avoid auto-generating CLAUDE.md and use linters, code formatters, and other features to handle implementation and formatting separately for better results.

Detection of triboelectric discharges during dust events on Mars

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Scientists detected lightning on Mars using sounds and electrical signals captured by the Perseverance rover, suggesting the Red Planet's dusty surface causes electrification. The discovery may have implications for future human-led missions to Mars and could pose a threat to rovers and astronauts.

How to Run Profitable Pricing Experiments?

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To run successful pricing experiments, you need to shift your mindset from Conversion Rate Optimization (CRO) to Revenue Optimization and consider the microeconomics at play, including Willingness to Pay (WTP) and Price Elasticity. You should approach pricing experiments with a bias based on your product niche, using frameworks like Elasticity, Anchoring, and Volume to make decisions based on ...

Trifold is a tool to quickly and cheaply host static websites using a CDN

trifold is a paid service for hosting static websites with reasonable pricing and stability. It offers a cheaper alternative to services like Cloudflare Pages and Netlify with negligible storage costs.

WordPress plugin quirk resulted in UK Gov OBR Budget leak [pdf]

The Office for Budget Responsibility's (OBR) Economic and Fiscal Outlook (EFO) was accessed prematurely by external users before the Chancellor's speech on Budget day. The OBR's leadership is responsible for the vulnerability that occurred and was then exposed.

Advent of Sysadmin 2025

Here's a step-by-step solution to fix the problem:

Boring Laser Eyes Simulator: Add laser beams to your eyes with your webcam

User created a Laser Eyes Simulator using webcam, mediapipe, and threejs. It adds laser beams to users' eyes in real-time.

Victorian-style lines for the web: Elements of identical width

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We used Inkscape to turn a 1800s border image into a repeating CSS border by separating and resizing the wreaths to create an "organic" look. The final CSS code sets the width of the element to a multiple of 22px to prevent cutoffs and allows for scaling up the repeating elements.

SmartTube Compromised

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SmartTube's digital signature was exposed and a new one has been released after a developer's computer was compromised by malware. Users should factory reset devices with the app installed and audit their Google account permissions due to potential malware exposure.

X210Ai is a new motherboard to upgrade ThinkPad X201/200

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DeepSeekMath-V2: Towards Self-Verifiable Mathematical Reasoning

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Large language models have improved in mathematical reasoning through reinforcement learning, but face limitations in verifying correct reasoning. A new model, DeepSeekMath-V2, demonstrates strong theorem-proving capabilities with self-verifiable reasoning.

Algorithms for Optimization [pdf]

This book provides a comprehensive introduction to optimization with a focus on practical algorithms for engineering design, covering various optimization topics and techniques. The book aims to equip readers with the knowledge and skills to apply optimization algorithms to real-world problems, with a focus on engineering design and applications in fields such as mathematics, statistics, and ...

Advent of Code 2025

Eric Wastl created Advent of Code, an annual programming puzzle event with varying difficulty levels. It's free to use, but not to copy, and users can participate with any programming language and skill level.

Netflix Kills Casting from Its Mobile App to Most Modern TVs

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Netflix removed mobile casting to most TVs and devices, directing users to use TV remotes instead. The change affects most users, except those on older devices or costlier ad-free plans.