I like list expansion:
# Create mutiple directories
mkdir -p {src,data,app/{mobile,web}}The p switch creates any "missing" parent directories and is idempotent (so if app exists it doesn't complain and if not creates it).
# Create multiple files
touch file_{1..5}.txtHeck you can even combine it with tee!
# Create multiple Hello, World! files
echo "Hello, world\!" | tee file_{1..5}.txt
My Bose QuietComfort headphones kept powering themselves off while I was using them. A full shutdown, so a button press and a reconnect every time. A few times an hour. I didn't work this out myself. I handed the symptom to Claude Code running Opus 5, let it
I got tired of "✦ Antigravity" staring back at me every time I opened the CLI, so I wrote it a proper statusline. Antigravity pipes a JSON payload to stdin on every prompt: model name, context window usage, quota, workspace, edit mode. statusline.py reads that, builds a few
I always wondered where "daemon" came from. Turns out the story goes back to 1963, and starts with a Victorian physicist. Project MAC (1963) The term comes from Fernando J. Corbató's team on MIT's Project MAC, working on the early time-sharing system CTSS.
I wanted Bookerly on my XTEink v3 instead of the stock fonts. Turns out getting a font onto an e-ink reader properly is fussier than just dropping a .ttf on it. Picking the right files A typical font family download comes with far more than you need. For a