Data Science Tutorials

Understand what one-to-many relationships are, how they link tables using keys, and why they are essential for clear, reliable relational database design.

Learn how to use Find and Replace in Excel to clean data, fix errors, and make bulk changes without breaking formulas or formatting.

Learn what Moonshot’s Kimi K2.5 is, how Agent Swarm works, and see it in action through four hands-on, real-world experiments.

Master Docker troubleshooting to resolve the "no space left on device" error. Learn how to safely prune unused containers and reclaim lost storage space.

Master AWS CloudWatch pricing, logs, and metric filters. Learn to build a custom dashboard and configure alarms for complete cloud visibility.

Learn how to use AutoSum in Excel to quickly sum columns and rows. This guide covers shortcuts, common functions, troubleshooting, and working with filtered data.

Learn how to check your Python version in the terminal, scripts, and virtual environments. Understand common issues and best practices for Windows, macOS, and Linux.

A beginner-friendly guide to using Claude inside Excel. You’ll learn what it actually does, where it's most helpful, and how to use it safely in real spreadsheets without breaking anything.

Run MinIO with Docker to get S3-compatible object storage for local development, covering setup, persistent volumes, troubleshooting, and when to use distributed mode.

Set up Moltbot (formerly Clawdbot), a self-hosted agent connecting Claude to your Mac via WhatsApp. Search files and run shell commands from your phone.

Stop vanishing gradients and biased models. Learn how to normalize data using min-max and z-score in Scikit-learn to improve machine learning models.

Running docker run hello-world is the fastest way to confirm your Docker installation works correctly, understand what happens when you execute a container, and troubleshoot common setup issues before building real applications.