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Using Thunderbird for RSS
It adds RSS to my primary communications application, which works great.
New
The latest blog posts to take off on Hacker News. 80,813 posts.
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DDR4 Sdram – Initialization, Training and Calibration
A detailed tutorial on DDR4 SDRAM Initialization, Training and Calibration. Exploring topics such as Read/Write Training, ZQ Calibration, Vref Training, Read Centering, Write Centering, Write Leveling and Periodic Calibration.
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Emacs and Vim in the Age of AI
It’s tough to make predictions, especially about the future. – Yogi Berra
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Learnings from paying artists royalties for AI-generated art
A retrospective on Tess.Design, our attempt to make an ethical, artist-friendly AI marketplace. We launched Tess in May 2024 and shut it down in January 2026.
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Two Years of Emacs Solo
Rahul's Blog
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Open Weights isn't Open Training
How many monkey-patches does it take to post-train a trillion parameter model?
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No, it doesn't cost Anthropic $5k per Claude Code user
The viral claim that Anthropic loses $5,000 per Claude Code subscriber doesn't survive basic scrutiny. Let's do the actual maths.
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Tony Hoare has died
Limousin, Saint-Yrieix-la-perche, Périgord, Université, société, Livres, citations, Nantes, Jumilhac
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Rendezvous with Rama
Some musings on the novel "Rendezvous with Rama".
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So you want to write an “app” (2025)
I touched "every" OS so you don't have to
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Bluesky CEO Jay Graber is stepping down
After several intense and incredible years building Bluesky from the ground up, I've decided to step back as CEO and transition to a new role as Bluesky's Chief Innovation Officer.
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The Cost of Indirection in Rust
Why 'indirection has a cost' is usually the wrong reason to inline and what actually costs you.
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Building a Procedural Hex Map with Wave Function Collapse
I've been obsessed with procedural maps since I was a kid rolling dice on the random dungeon tables in the AD&D Dungeon Master's Guide. There was something magical about it — you didn't design the dungeon, you discovered it, one room at a time, and the dice decided whether you got a treasure chamber or a dead end full…
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I don't know Apple's endgame for the Fn/Globe key–or if Apple does
The origin and the evolution of the most confusing modifier key
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An opinionated take on how to do important research that matters
An opinionated perspective on how to do important research that makes a difference (and sometimes win awards).
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Restoring a Sun SPARCstation IPX part 1: PSU and NVRAM (2020)
Repairing a dead power supply and replacing the NVRAM in a vintage UNIX workstation.
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Is legal the same as legitimate: AI reimplementation and the erosion of copyleft
Last week, Dan Blanchard, the maintainer of chardet—a Python library for detecting text encodings used by roughly 130 million projects a month— released a new…
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Understanding the Go Runtime: The Scheduler
In the previous article we explored how Go’s memory allocator manages heap memory — grabbing large arenas from the OS, dividing them into spans and size classes, and using a three-level hierarchy (mcache, mcentral, mheap) to make most allocations lock-free. A key detail was that each P (processor) gets its own memory…
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Okmain: How to pick an OK main colour of an image
You have an image but you want a colour
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Willingness to look stupid
Looking foolish is underrated.
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FFmpeg at Meta: Media Processing at Scale
FFmpeg is truly a multi-tool for media processing. As an industry-standard tool it supports a wide variety of audio and video codecs and container formats. It can also orchestrate complex chains of…
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The death of social media is the renaissance of RSS (2025)
Social media was once hailed as the great democratizer of information. It promised a world where anyone could share their voice, connect with like-minded communities, and discover authentic human perspectives. But in 2025, the landscape looks very different. Social platforms are drowning in a flood of Generative AI…
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Optimizing Top K in Postgres
How ParadeDB uses principles from search engines to optimize Postgres' Top K performance.
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Linux Internals: How /proc/self/mem writes to unwritable memory (2021)
Introduction An obscure quirk of the /proc/*/mem pseudofile is its “punch through” semantics. Writes performed through this file will succeed even if the destination virtual memory is marked unwritable. In fact, this behavior is intentional and actively used by projects such as the Julia JIT compiler and rr debugger…
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Lil Finder Guy
Who is it? What is it? Is it friend or foe? Has it arrived in peace, or is it plotting to corrupt our SSDs and fray our USB-C cables?
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We should revisit literate programming in the agent era
Literate programming is the idea that code should be intermingled with prose such that an uninformed reader could read a code base as a narrative, and come away with an understanding of how it works and what it does. Although I have long been intrigued by this idea, and have found uses for it in a couple1 of different…