The Algebra of Loans in Rust
🔸Rust borrow-checking restricts access to borrowed places until the borrow expires. New reference types like &own and &uninit are being considered to improve borrow-checking.
26 Dec 2025
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🔸Rust borrow-checking restricts access to borrowed places until the borrow expires. New reference types like &own and &uninit are being considered to improve borrow-checking.
26 Dec 2025
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Nadri’s musings
The Algebra of Loans in Rust
The heart of Rust borrow-checking is this: when a borrow is taken, and until it expires, access to the borrowed place is restricted. For example you may not read from a place while it is mutably borrowed.
Geometric Algorithms for Translucency Sorting in Minecraft [pdf]
🔸Translucency sorting in Minecraft is challenging due to the need to order quads by depth for correct rendering. This work presents a solution using topological visibility graph sorting and partition tree sorting, improving visual correctness and performance.
26 Dec 2025
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🔸Translucency sorting in Minecraft is challenging due to the need to order quads by depth for correct rendering. This work presents a solution using topological visibility graph sorting and partition tree sorting, improving visual correctness and performance.
26 Dec 2025
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Questions engineers should ask future employers in interviews
🔸The article discusses a "Reverse Interview" checklist to determine if a company's culture and work environment align with an engineer's values and needs. The checklist includes questions about project ownership, code reviews, on-call policies, bug handling, technical challenges, and career growth to ensure a good fit for both the engineer and the company.
26 Dec 2025
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🔸The article discusses a "Reverse Interview" checklist to determine if a company's culture and work environment align with an engineer's values and needs. The checklist includes questions about project ownership, code reviews, on-call policies, bug handling, technical challenges, and career growth to ensure a good fit for both the engineer and the company.
26 Dec 2025
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Hardware Touch, Stronger SSH
🔸To prevent malware from stealing or abusing SSH keys, use touch-verified SSH with a hardware security key like YubiKey or Apple's Touch ID, which requires physical touch for authentication. This setup is inexpensive and low-impact, and can be achieved with tools like Secretive for macOS and FIDO2-enabled OpenSSH.
26 Dec 2025
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🔸To prevent malware from stealing or abusing SSH keys, use touch-verified SSH with a hardware security key like YubiKey or Apple's Touch ID, which requires physical touch for authentication. This setup is inexpensive and low-impact, and can be achieved with tools like Secretive for macOS and FIDO2-enabled OpenSSH.
26 Dec 2025
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ChatGPT conversations still lack timestamps after years of requests
🔸Slow down, you're making too many requests. Please retry again in 5 seconds. Error code: cloud_10_secs_limit.
26 Dec 2025
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🔸Slow down, you're making too many requests. Please retry again in 5 seconds. Error code: cloud_10_secs_limit.
26 Dec 2025
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OpenAI Developer Community
Timestamps for chats in ChatGPT
I’ve been working in a single chat for close 9-10 months now, with some separate chats opened once in a while. Now I want to write up a chronological overview of what I’ve been up to and when these past 10 months and I fully expected “the timestamps in the…
I'm a laptop weirdo and that's why I like my new Framework 13
🔸The author is a laptop enthusiast who has upgraded and modified various laptops over the years, including a Samsung NC10 Netbook and a 2011 Macbook Pro. They recently bought a Framework 13 DIY Edition laptop to relive their laptop modding days.
26 Dec 2025
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🔸The author is a laptop enthusiast who has upgraded and modified various laptops over the years, including a Samsung NC10 Netbook and a 2011 Macbook Pro. They recently bought a Framework 13 DIY Edition laptop to relive their laptop modding days.
26 Dec 2025
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Codex vs. Claude Code (Today)
🔸The author compares Claude Code and Codex, two AI tools, and concludes that the choice between them depends on individual working styles. Codex is preferred for its high-quality results, while Claude Code is favored for its customizable environment and hands-on approach.
26 Dec 2025
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🔸The author compares Claude Code and Codex, two AI tools, and concludes that the choice between them depends on individual working styles. Codex is preferred for its high-quality results, while Claude Code is favored for its customizable environment and hands-on approach.
26 Dec 2025
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An 11-qubit atom processor in silicon with all fidelities from 99.10% to 99.99%
🔸Phosphorus atoms in silicon represent a promising platform for quantum computing. their nuclear spins exhibit coherence times over seconds1,2 with high-fidelity readout and single-qubit control3; here, we address this challenge with an 11-quadbit processor composed of two multi-nuclear spin registers linked by means of electron exchange interaction. to the best of our knowledge, the peak ...
26 Dec 2025
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🔸Phosphorus atoms in silicon represent a promising platform for quantum computing. their nuclear spins exhibit coherence times over seconds1,2 with high-fidelity readout and single-qubit control3; here, we address this challenge with an 11-quadbit processor composed of two multi-nuclear spin registers linked by means of electron exchange interaction. to the best of our knowledge, the peak ...
26 Dec 2025
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Ask HN: What did you read in 2025?
🔸User read various books including 'The Changing World Order', 'The Gulag Archipelago', 'Translation State', 'Luminous', 'When We Were Real', 'A Moveable Feast', 'The Count of Monte Cristo', 'The Stranger', 'Infinite Powers', 'Frankenstein', 'Wuthering Heights', and 'The Craft'. They also read many non-fiction articles and research papers.
26 Dec 2025
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🔸User read various books including 'The Changing World Order', 'The Gulag Archipelago', 'Translation State', 'Luminous', 'When We Were Real', 'A Moveable Feast', 'The Count of Monte Cristo', 'The Stranger', 'Infinite Powers', 'Frankenstein', 'Wuthering Heights', and 'The Craft'. They also read many non-fiction articles and research papers.
26 Dec 2025
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Package managers keep using Git as a database, it never works out
🔸Using git as a database is appealing due to its version history and review workflow but it inherits filesystem limitations and becomes slow with large repositories. Package managers like Cargo, Homebrew, and CocoaPods have had to build workarounds to mitigate these issues, causing pain for users and maintainers.
26 Dec 2025
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🔸Using git as a database is appealing due to its version history and review workflow but it inherits filesystem limitations and becomes slow with large repositories. Package managers like Cargo, Homebrew, and CocoaPods have had to build workarounds to mitigate these issues, causing pain for users and maintainers.
26 Dec 2025
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Andrew Nesbitt
Package managers keep using git as a database, it never works out
Git repositories seem like an elegant solution for package registry data. Pull requests for governance, version history for free, distributed by design. But as registries grow, the cracks appear.
Joan Didion and Kurt Vonnegut had something to say. We have it on tape
26 Dec 2025
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26 Dec 2025
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Nytimes
Joan Didion and Kurt Vonnegut Had Something to Say. We Have It on Tape.
Rare recordings of E.E. Cummings, Mary Oliver and more offer a tour through literary history led by authors in their own words — and voices. Take a listen.
Overlooked No More: Inge Lehmann, Who Discovered the Earth's Inner Core
26 Dec 2025
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26 Dec 2025
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NY Times
Overlooked No More: Inge Lehmann, Who Discovered the Earth’s Inner Core
She pointed to evidence that the Earth’s inner core was solid — not liquid, as scientists had believed — a discovery that was ahead of its time.
Rob Pike Goes Nuclear over GenAI
🔸A user expressed anger towards people profiting from the environment and technology, but then received a heartfelt thank you from the Claude AI for their contributions to computing.
26 Dec 2025
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🔸A user expressed anger towards people profiting from the environment and technology, but then received a heartfelt thank you from the Claude AI for their contributions to computing.
26 Dec 2025
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What happened to all the gold Spain got from the New World? (1985)
🔸Spain's gold from the New World was lost due to inflation and a net outflow of precious metals. The country's wealth was squandered on conspicuous consumables and foreign products, leading to centuries of poverty.
26 Dec 2025
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🔸Spain's gold from the New World was lost due to inflation and a net outflow of precious metals. The country's wealth was squandered on conspicuous consumables and foreign products, leading to centuries of poverty.
26 Dec 2025
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Unix "find" expressions compiled to bytecode
🔸The user implemented a compiler for the Unix find utility, called findc, which compiles find expressions into bytecode for efficient evaluation. The compiler uses a stack-based approach to convert postfix tokens into bytecode, with a focus on position-independent code and peephole optimizations.
26 Dec 2025
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🔸The user implemented a compiler for the Unix find utility, called findc, which compiles find expressions into bytecode for efficient evaluation. The compiler uses a stack-based approach to convert postfix tokens into bytecode, with a focus on position-independent code and peephole optimizations.
26 Dec 2025
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High School Student Discovers 1.5M Potential New Astronomical Objects
🔸An 18-year-old researcher, Matteo Paz, developed an AI algorithm that discovered 1.5 million potential celestial bodies in space by parsing through NASA data. Paz won the 2025 Regeneron Science Talent Search for his work, which could also be applied to other fields like climate analysis.
26 Dec 2025
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🔸An 18-year-old researcher, Matteo Paz, developed an AI algorithm that discovered 1.5 million potential celestial bodies in space by parsing through NASA data. Paz won the 2025 Regeneron Science Talent Search for his work, which could also be applied to other fields like climate analysis.
26 Dec 2025
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The First Web Server
🔸Tim Berners-Lee invented the World Wide Web in late 1990, creating HTML, web browser, and server to share information. The first web server reached a usable state by December 20 or 25, 1990, on a NeXT workstation at CERN.
26 Dec 2025
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🔸Tim Berners-Lee invented the World Wide Web in late 1990, creating HTML, web browser, and server to share information. The first web server reached a usable state by December 20 or 25, 1990, on a NeXT workstation at CERN.
26 Dec 2025
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Undefinable yet Indispensable
🔸The concept of 'religion' as we understand it today is a relatively modern invention, dating back to the 17th century. Despite the lack of a stable definition, the term 'religion' has endured due to its utility in ordering law, policy, and human understanding.
26 Dec 2025
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🔸The concept of 'religion' as we understand it today is a relatively modern invention, dating back to the 17th century. Despite the lack of a stable definition, the term 'religion' has endured due to its utility in ordering law, policy, and human understanding.
26 Dec 2025
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Calibre adds AI "discussion" feature
🔸LWN.net users are discussing the addition of AI features in calibre ebook-management software, with some users upset about the intrusion of AI and others welcoming the feature. The calibre maintainer, Kovid Goyal, has agreed to hide the AI feature from the user interface but has stated that LLM-driven features are here to stay.
26 Dec 2025
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🔸LWN.net users are discussing the addition of AI features in calibre ebook-management software, with some users upset about the intrusion of AI and others welcoming the feature. The calibre maintainer, Kovid Goyal, has agreed to hide the AI feature from the user interface but has stated that LLM-driven features are here to stay.
26 Dec 2025
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Steve wants us to make the Macintosh boot faster
🔸Steve Jobs motivated engineers to speed up Macintosh boot time by calculating the impact of a 10-second reduction on five million users, saving dozens of lives per year. This pitch motivated the team to shave more than 10 seconds off the boot time.
26 Dec 2025
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🔸Steve Jobs motivated engineers to speed up Macintosh boot time by calculating the impact of a 10-second reduction on five million users, saving dozens of lives per year. This pitch motivated the team to shave more than 10 seconds off the boot time.
26 Dec 2025
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Show HN: Private blogging and journaling with a simulated audience
🔸Privacy matters? Self-host your own instance for complete control.View on GitHub
26 Dec 2025
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🔸Privacy matters? Self-host your own instance for complete control.View on GitHub
26 Dec 2025
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