TIL

Today I Learned

A collection of concise write-ups on small things I learn day to day across a variety of languages and technologies. Inspired by jbranchaud/til.

33 TILs and counting…

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Categories

• Algorithms
• C/C++
• CMake
• Ecto
• Elixir
• JavaScript
• Lua
• Neovim
• OSC
• Phoenix
• SuperCollider
• tmux
• Vulkan
• WoW
• WSL2
• ZSH

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Algorithms

• Bjorklund’s Algorithm for Euclidean Rhythms

C-Cpp

• Data-Oriented Design Over OOP

CMake

• Cross-Compile Windows Executables from Linux with MinGW
• Symlink compile_commands.json for LSP Support

Ecto

• Fix Race Conditions with Atomic Updates

Elixir

• CSV Parsing with Quoted Strings Using Regex
• Dual-Mode Library: Embedded vs Remote
• Event-Driven Waiting Pattern in GenServers
• Pattern Namespacing with Atoms
• Streams for Large File Parsing
• Use Marker Constants Instead of Version-Dependent Strings
• Skip Comments in NimbleParsec Parsers

JavaScript

• CodeMirror 6 Keymap Priority
• Generate Reverb Impulse Responses Procedurally
• Web Audio Effects Chain Order

Lua

• WoW Addon Drag-and-Drop Widget System
• Make WoW Minimap Square with SetMaskTexture

Neovim

• Rebuild Treesitter Parsers After Architecture Change
• Claude Code Stores Session History in JSONL Files

OSC

• OSC Bundles with Timestamps for Precise Audio Scheduling

Phoenix

• Disable Ecto Repo for Non-Database Apps
• Use LiveView Routes Instead of Controllers

SuperCollider

• SuperDirt is Not a Pattern Parser
• Use s.sync Before Emitting Ready Markers

tmux

• Use Dual Prefix to Prevent Accidental Ctrl+Z Suspend
• Disable tmux Terminal Features with @ Suffix

Vulkan

• Simple C-Style Vulkan Initialization

WoW

• Debugging WoW Addons with SavedVariables

WSL2

• Use clip.exe for WSL2 to Windows Clipboard
• Symlink from WSL2 to Windows Filesystem

ZSH

• Check for TTY Before Running stty Commands
• Strip CRLF Line Endings in WSL2 Shell Completions
• ZSH Vi-Mode with Emacs Insert Keybindings

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About

These TILs are mined from development session notes across various projects. Each entry focuses on a single, practical learning that can be applied immediately.

License

MIT