Australia win by 82 runs and retain the Ashes in 11 days. It got a little tighter than looked likely, but an excellent performance by the home side. England provided some fight in the chase, but it ...

This repository holds all of the coding tutorials and homework assignments for a course I taught at Columbia in Fall 2025. You can find the syllabus for the course here. Each week, students completed ...

A comprehensive, beginner-friendly course that takes you from zero to proficient in Git and GitHub in 2 weeks. This repository contains everything you need: daily lessons, hands-on exercises, ...