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A pattern for building personal knowledge bases using LLMs.
https://gist.github.com/karpathy/442a6bf555914893e9891c11519de94f
The idea here is different. Instead of just retrieving from raw documents at query time, the LLM incrementally builds and maintains a persistent wiki — a structured, interlinked collection of markdown files that sits between you and the raw sources.
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Karpathy's LLM Wiki — A Synthesis
https://gist.github.com/deanjstone/98141cb836bb97c555ae9d6ce2484b5f
Karpathy's LLM Wiki — A Synthesis of notes, sources, and analysis - karpathy-llm-wiki.md
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Andrej Karpathy on X: "A few random notes from claude coding quite a bit last few weeks. Coding workflow. Given the latest lift in LLM coding capability, like many others I rapidly went from about 80% manual+autocomplete coding and 20% agents in November
https://x.com/karpathy/status/2015883857489522876
He cofounded OpenAI and is apparently very influencial.
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Claude Code + Karpathy's Obsidian = New Meta - YouTube
https://www.youtube.com/watch?v=eglVxLaWRUU
Use Obsidian as Claude Code's memory, I think. This guy, Jack Roberts, implements Karpathy's idea.
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How to Tell if a Mac Needs More RAM Using Memory Pressure
https://osxdaily.com/2026/04/27/how-to-tell-if-a-mac-needs-more-ram-using-memory-pressure/
Rather than focusing only on how much memory is being used, Memory Pressure reflects a summation of available free memory, memory compression, swap usage (virtual memory, which uses disk as temporary RAM), and overall system demands on memory. This makes it a much more useful metric than simply looking at RAM used or free RAM alone.
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DNS Lookup
https://routerjockey.com/tools/dns/
I wonder if this could help me understand networking a little
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Tim Cook is Leaving. Good.
https://routerjockey.com/tim-cook-is-leaving-good/
There’s a related thread here. Cook’s Apple has gradually rebuilt itself as a services company that happens to make hardware. iCloud subscriptions. Apple Music. Apple TV+. Apple Arcade. Apple Fitness+. Apple News+. Apple One. AppleCare+ tiers within tiers. The recurring monthly nudges that show up in apps that used to be one-and-done. iMessage is taking twenty minutes to sync a message between your laptop and your phone sitting six inches apart. HomeKit forgot the kitchen …
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Cordless Leaf Blower for Milwaukee m18 Battery, 720-CFM 180-MPH Handheld Electric Dust Blower with Light, Battery Powered Leaf Blowers for Keyboards Patio Rain Snow Removal (Battery Not Included) - Walmart.com
https://www.walmart.com/ip/Small-Cordless-Leaf-Blower-Compatible-Milwaukee-m18-Battery-125-MPH-430-CFM-Handheld-Electric-Dust-Blower-Battery-Powered-Leaf-Blowers-Keyboards-Pati/18531468196?adsRedirect=true
Buy Cordless Leaf Blower for Milwaukee m18 Battery, 720-CFM 180-MPH Handheld Electric Dust Blower with Light, Battery Powered Leaf Blowers for Keyboards Patio Rain Snow Removal (Battery Not Included) at Walmart.com
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Obsidian CLI
https://obsidian.md/cli
Obsidian CLI is a programmatic playground for plain text. Anything you can do in Obsidian you can do from the command line.
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SOCIAL PSYCHOLOGY OF IDENTITIES - howard2000a.pdf
https://pdodds.w3.uvm.edu/files/papers/others/2000/howard2000a.pdf
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Meta Bind Docs
https://www.moritzjung.dev/obsidian-meta-bind-plugin-docs/reference/buttonactions/updatemetadata/
Meta Bind documentation - very thorough
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Marc Andreessen is wrong about introspection
https://www.joanwestenberg.com/marc-andreessen-is-wrong-about-introspection/
I have to be careful. I guess I believe in introspection. Ryle's point is that introspection is not a privileged way to know ourselves. Right?
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Senators Ask Tulsi Gabbard To Tell Americans That VPN Use Might Subject Them To Domestic Surveillance | Techdirt
https://www.techdirt.com/2026/04/03/senators-ask-tulsi-gabbard-to-tell-americans-that-vpn-use-might-subject-them-to-domestic-surveillance/
https://www.techdirt.com/2026/04/03/senators-ask-tulsi-gabbard-to-tell-americans-that-vpn-use-might-subject-them-to-domestic-surveillance/
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ebrandi/FDD-book: FreeBSD Device Driver Book
https://github.com/ebrandi/FDD-book
FreeBSD Device Driver Book. Contribute to ebrandi/FDD-book development by creating an account on GitHub.
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Unix Magic Poster Annotations
https://unixmagic.net/
I understand quite a bit of this, thank goodness
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Obsidian With Claude: The Setup I Said You Didn't Need - YouTube
https://www.youtube.com/watch?v=B35SWx_4BNM
Using ICOR's Claude system with Obsidian. About half way through it shows something that stops Claude and says how to /resume it. https://youtu.be/B35SWx_4BNM?si=REZqMTH5sdWa1XZF&t=776
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Claude just killed ALL Note-Taking Apps. Here is proof. - YouTube
https://www.youtube.com/watch?v=geIKyDaXwGg
Using an AI Agent to replace everything I do in Obsidian!
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obsidian-skills/skills/obsidian-markdown/references/PROPERTIES.md at main · kepano/obsidian-skills
https://github.com/kepano/obsidian-skills/blob/main/skills/obsidian-markdown/references/PROPERTIES.md
Agent skills for Obsidian. Teach your agent to use Markdown, Bases, JSON Canvas, and use the CLI. - obsidian-skills/skills/obsidian-markdown/references/PROPERTIES.md at main · kepano/obsidian-skills
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Understanding Traceroute | Hacker News
https://news.ycombinator.com/item?id=47656730
comments on the traceroute explanation
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I still prefer MCP over skills | Hacker News
https://news.ycombinator.com/item?id=47712718
discussion of the last article I bookmarked.
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I Still Prefer MCP Over Skills | David Mohl
https://david.coffee/i-still-prefer-mcp-over-skills/
Why I believe the Model Context Protocol (MCP) is a better architectural pattern than the emerging “Skills” trend for LLM tool integration.
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Why you should refuse to let your doctor record you • Buttondown
https://buttondown.com/maiht3k/archive/why-you-should-refuse-to-let-your-doctor-record/
By: Emily M. Bender and Decca Muldowney At a recent appointment, Emily’s physical therapist (who knows some about her research) said, “Before we get started,...
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Agent Skills Overview - Agent Skills
https://agentskills.io/home
A standardized way to give AI agents new capabilities and expertise.
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Technology Radar | Guide to technology landscape | Thoughtworks
https://www.thoughtworks.com/radar
An amazing overview of current technologies and their problems.
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Harness engineering for coding agent users
https://martinfowler.com/articles/harness-engineering.html
A mental model for building trust in coding agents through feedforward guides, feedback sensors, and iterative harness engineering. The term harness has emerged as a shorthand to mean everything in an AI agent except the model itself - Agent = Model + Harness.
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Flickr: The First and Last Great Photo Platform | PetaPixel
https://petapixel.com/2026/04/22/flickr-the-first-and-last-great-photo-platform/
The platform’s utility is bolstered by its robust handling of tags and geotagging, allowing for a level of searchability that modern social media often lacks. Users can manage their libraries through Sets, Galleries, and Albums, making it easy to organize thousands of images by subject matter, location, person, or era. Flickr preserves and displays comprehensive EXIF data, including detailed camera and lens information for every shot. And it has individual RSS feeds
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Why Art Photography Feels Historically Late | Fstoppers
https://fstoppers.com/opinion/why-so-much-art-photography-feels-historically-late-900579
Why technically skilled art photographs often feel outdated. Photography's standards shifted from pictorialism to modernism to concept-driven work, but education hasn't kept pace with how images are now judged. This is interesting but begins to repeat itself about 2/3 of the way through