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Raspberry Pi Pico audio player
A weblog about technology including Arduino, Raspberry, Attiny, 3D printing, Electronics, tinkering and all kinds of diy projects.
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What's New in Emacs 30.1?
What is new in Emacs 30.1? I go through every change in the NEWS file and talk about the most interesting and useful changes.
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Stacked Diffs with git rebase —onto
Using git `rebase --onto` workflow to work with stacked diffs
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Emacs: The macOS Bug
The Context I have been recently roaming. Doing some Zig, doing some Go, some Janet. Some C integration. Should have focused on my project but life threw more at me than I could handle, so I sought… happy distractions. My experience with those technologies taught me new tricks and one day, when I needed some more…
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Tiny Code Reader: a $7 QR code sensor
So cheap I bought three
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Curate your shell history
You can make your shell history more useful by removing the typos and false starts.
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Maintaining an Android app in Google Play Store is a lot of work
Lessons on maintaining a hobby Android app
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LLM codegen go brrr – Parallelization with Git worktrees and tmux
If you're underwhelmed with AI coding agents or simply want to get more out of them, give parallelization a try. After seeing the results firsthand over the past month, I'm ready to call myself an evangelist. The throughput improvements are incredible, and I don't feel like I'm losing control of the codebase.
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I built my own CityMapper
We've all used a public transit router to find a quick route from A to B, such as Google Maps or CityMapper, but how do they actually work?
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Immutable releases are now generally available on GitHub
GitHub releases now support immutability, adding a new layer of supply chain security. With immutable releases, assets and tags are protected from tampering after publication, so the software you publish—and…
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Tmux – The Essentials (2019)
With only a handful of commands, tmux can still be your new best friend on the terminal
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Building a Personal Archive with Hoarder
How to self-host a personal archive of web content even if stuff get's taken down
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We shouldn't have needed lockfiles
Lockfiles are an absolutely unnecessary concept that complicates things without a good reason. Dependency managers can and are working without it just the same.
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OpenVINO AI effects for Audacity
Intel has built a suite of AI tools for Audacity, useful for spoken word audio and music alike. These AI features run 100% locally on your PC.
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A beginner's guide to extending Emacs
How to build a custom completion backend for emacs from scratch.
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Qt Creator 18 Released
Qt Creator 18 highlights development containers to ease kit configuration, a convenient Overview tab, and various UX improvements.
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Persistent packages on Steam Deck using Nix
The Steam Deck (and SteamOS) delivers a fantastic console-like experience on a Linux system. However, its immutable filesystem means that installing packages that persist across system upgrades isn’t straightforward. Fortunately, with a little Nix magic, you can work around that limitation.
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Run Docker containers natively in Proxmox 9.1 (OCI images)
Published: 20-11-2025 22:34 | Author: Remy van Elst | Text only version of this article
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Apple's new Processor Trace instrument is incredible
The new Processor Trace instrument has flown under the radar with this years WWDC announcements but many developers will find it truly indispensable.
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Extending Emacs with Fennel (2024)
After watching this year’s EmacsConf and seeing Guile Emacs being resurrected I thought to myself - why limit ourselves to Guile? Sure, Guile isn’t just a Scheme implementation, thanks to its compiler-tower-based design. Other languages exist for Guile VM, such as Emacs Lisp, and Guile manual lists the following…
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iPhone DevOps (2023)
I wrote earlier about my dream of developing “single-handedly” on an iPhone. Then, I wrote some more about it . The dream still lives strongly! I am now coding single-handedly in any language on my iPhone SE model 2022. But although i still like pythonista I am now using a combination of three great apps that allow me…
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Spaced repetition for efficient learning (2019)
Efficient memorization using the spacing effect: literature review of widespread applicability, tips on use & what it’s good for.
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Experimental Tauri Verso Integration
The cross-platform app building toolkit
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Guitar chord karaoke with Vamp, Chordino, and FFmpeg (2022)
A proof-of-concept using Vamp, Chordino, ImageSharp and ffmpeg to add live guitar chord charts to karaoke videos
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Flame Graphs vs Tree Maps vs Sunburst (2017)
Flame Graphs vs Tree Maps vs Sunburst explores different hierarchal visualizations by visualizing file system or disk space.
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Geocoding APIs compared: Pricing, free tiers and terms of use
Pick the cheapest geocoding API provider for your project. An impartial comparison of pricing for HERE, Google Maps Platform, Azure Maps, OpenCage, TomTom Maps, LocationIQ, and Nominatim.
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JupyterGIS breaks through to the next level
Launched in June 2024, JupyterGIS was introduced as a collaborative, web-based GIS environment built on the JupyterLab framework. Its objective is to
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Iroh-blobs
Learn about the new features in the new blobs API
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ESP32 and Termux
Documenting my journey in trying to use my ESP32 on my phone through Termux