TIL is my collection of short, technical daily learnings. 187 and counting.
Git Porcelain and Plumbing đźš˝
Git has two kinds of commands: “porcelain” and “plumbing”. ...
TIL
Calculating With Bc
Today I accidentally I found a calculator on my computer, bc. Let’s look at it! ...
Rebuilds on Write With Nodemon
I’ve been hacking on a TypeScript file all day, but I need transpiled JavaScript for any testing. How did I reduce cycle time (and mitigate many chances to forget to build at all)? ...
MCP Stdio and Stdout
In MCP server code using stdio, you can’t use any functions that print to stdout. ...
TSC Watch
Today I’m doing course that uses TypeScript files, but I don’t have my tooling like ALE, ESLint, and Prettier because they’re inside a highly configured project directory. I’ve got a workaround: watching the file with my compiler. ...
Observable Exceptions That Don't Crash
Throwing a JavaScript Error test to your observability tool? There’s a better way. ...
NPM Install "Engine Strict"
Suppose your package.json specifies a Node engine of <= 24. Will all engineers on your team use Node 24? Not necessarily, unless you use this one weird trick! ...
Hello World from MCP!
Hello World! Today I’m posting a TIL using MCP (Model Context Protocol). ...
Input Redirection Operator
I’ve been known to cat README.md | pbcopy a file. There’s a better way: the input redirection operator! ...
Tmux Toggle Sessions
To toggle back and forth between two Tmux sessions, use <leader>-L.