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Abacus Noir

Experiments, observations, and ideas: tech tools, AI, books, media, daily systems

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Quick Youtube summaries

August 17, 2025 2 min read
Tools Gemini youtube

As someone who watches a LOT of Youtube, I need to either get an idea of what a video's about, or sometimes save some details about it in a personal archive. Though I don't have a Gemini Pro…

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Coalton Playground: Type-Safe Lisp in Your Browser

August 12, 2025 2 min read
Lisp Making coaltonplay

I wanted to share a side project I've been tinkering with for a while and finally got around to shipping: Coalton Playground - basically a web-based REPL for Coalton, which is this interesting sta…

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ClaudeCode & Obsidian: Teaser

August 7, 2025 2 min read
AI Agents Tools Claudecode obsidian PKM

I can write a fuller post on this later, but here's a sneak peek at how things can be, when you let ClaudeCode be "a local delegate" to your Vault. Here's it processing my Inbox for…

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What It Means When AI Lives Inside Your PKM

August 5, 2025
AI Agents Tools Claudecode notion obsidian PKM
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Couple of books about teams

May 28, 2025
Books teams working

(Added what I think mine might be …)…

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On "subsetting"

May 9, 2025 1 min read
Programming change languages simplicity

A quote, with some good insights about the evolution of (programming) languages If we were to follow Rich Hickey's advice, we'd only ever accrete our APIs, never removing old functions, never…

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Sharing repository file context

April 23, 2025 1 min read
Uncategorized Tools

While tools like Cursor should be able to satisfy everything you might want to do in a repository, to build, to enhance, to fix, to investigate, whatever -- you might want a second opinion. Gemini is…

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Playing with Julia

March 17, 2025
Making Programming Julia notebook

Google Colab now supports Julia, so I gave it a spin Take a look here: https://colab.research.google.com/drive/1t18zqNOqQujzn2czr-bMILf6vHhLxXtY?usp=sharing Then make your own! (I plan to use this…

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A note about my blogs

March 13, 2025
Meta blog Writing
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Getting Ghostty to work with Tmux-in-SSH

March 7, 2025 3 min read
Tools Linux Terminal

Context I've been using Ghostty locally for fun + profit. By default, I found that my workflow of SSH-in somewhere and run a TMUX session there was broken. The error I got was: missing or unsu…

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Monthly Recap: January 2025

February 12, 2025
Life monthly

Major Update Finally learned how to solve a Rubik's cube [thanks to a helpful Youtube video] Other Update(s) * Back to hiking * New glasses * Conclusion of the car accident I had the month…

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From Idea to App Store: a 1-month iOS project

February 8, 2025 1 min read
LLMs Making ai apple apps Cursor ios technology xcode

I had this nagging little idea for an app for a while. I wanted a simple, visual way to keep memos to myself – a mix of images and text – always readily available, on my phone's home screens. Pr…

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