"The history keeps growing every time I call it"—A story about falling into the trap of Python's default arguments

Last week, I was given a small assignment in class. It was a seemingly simple task: "Write a function that records test ...
Columbia University School of Professional Studies

How Columbia’s Actuarial Science Program Helped Launch Roberto Valdez into AI

After discovering machine learning at Columbia, alumnus Roberto Valdez found an unexpected new direction for his career. Today, as a machine learning engineer at Google, he continues to draw on ...

Trying out the Google Colab CLI from WSL2: Running Colab GPUs from the terminal alone

It is officially supported only on Linux and macOS; Windows (native) is not supported. Because it imports a Unix-specific ...
Security Boulevard

Serverless, Not Riskless: Exploiting Unauthenticated API Gateways in AWS

Exploiting Unauthenticated API Gateways in AWS September 21, 2026 sara.pearlman@guidepointsecurity.com BLOG  5 min. Over the past year, GuidePoint’s Threat and Attack Simulation (TAS) team has ...