Data Science Tutorials

Multi-factor authentication (MFA) protects your MongoDB Atlas account from unauthorized access by requiring verification beyond your password.

Master Python dictionary methods from creation and modification to advanced optimization. Learn error handling and scale performance for production workflows.

Upgrade your Git workflow by mastering git switch. Explore how it differs from git checkout, prevents detached HEAD states, and makes branch management safe.

Master time calculations in Excel. Apply ready-to-use formulas directly to your own data.

Learn what a normality test is, why it matters, and how to use common tests like Shapiro-Wilk, Kolmogorov-Smirnov, and visual methods to check your data + examples in Python and R.

Learn how to install and run Unsloth Studio locally on a GPU machine, test its chat interface, and explore features.

Learn how to use GPT-5.4 computer use to build a live news dashboard that automatically gathers and summarizes news.

A practical guide to implementing Chrome’s emerging WebMCP agent interface standard with HTML, JavaScript, safety patterns, and testing workflows.

Learn how PicoClaw, the AI agent CLI under 10MB, runs on cheap hardware. This tutorial covers setup, features, real use cases, and how to get started fast.

Learn how to design and maintain a lean CLAUDE.md file, so Claude Code reliably follows your project’s rules, conventions, and workflows in every session.

Learn how polynomial approximations power gradient descent, XGBoost, and the functions your computer calculates every day.

Learn about mathematical functions: what they are, how they relate to programming functions, and how they are used in machine learning modeling.