MarkMcDermott.io

About Blog Github

Blog

Helpful snippets, weird syntax I'm trying to memorize and other miscellaneous thoughts on coding and AI.

October 4, 2025

Deleting Blank Lines (VSCode)

A quick regex

VS Code Regex

September 17, 2025

Switch npm to yarn

Quick & easy

Node Package Management

September 1, 2025

Rails Console Delete Multiple

One-liner

Rails Ruby

August 15, 2025

Blank String Regex Match Anything

Don't use empty string fallbacks for regex

Regex JavaScript

July 28, 2025

gh auth login

Three ways to auth

Git GitHub CLI

July 14, 2025

Playwright CLI Grep Option

grep & grep-invert

Playwright Testing

July 3, 2025

Deleting Git Branches

Both locally & remote

Git Tutorial

June 15, 2025

Viewing Git Changes

Both Filenames & Diffs

Git Tutorial

May 21, 2025

Where's Your Head At?

Number of Commits Ahead/Behind

Git Tutorial