Data Science Tutorials

Learn how the COCOMO model estimates software effort, cost, and schedule. Covers Basic, Intermediate, Detailed, and COCOMO II with formulas and examples.

Discover how the Pearson correlation coefficient quantifies the strength and direction of relationships in your data. Learn to calculate, interpret, and apply it using Python, R, and Excel.

Learn how to use agentic vision in Gemini 3 Flash with Python. Four examples show how the Think, Act, Observe loop crops, annotates, and extracts data from images.

A step-by-step guide to setting up pgAdmin 4 and PostgreSQL with Docker Compose, covering container configuration, server registration, and core pgAdmin features including the Query Tool, schema browser, and backup/restore.

Learn how to set up Claude Code Remote Control and connect your phone or browser to a live local session. We cover session modes, mobile access, and key limitations.

Learn how to use Claude Code Channels to connect to Discord. Create a bot, pair your account, manage permissions, and turn chat into a live AI workflow hub.

Learn how to use git stash to save, inspect, restore, and manage changes. Understand selective stashing, conflict fixes, and best practices for clean workflows.

Build reliable AI apps faster by turning ad-hoc prompt checks into structured LLM evaluations with Promptfoo, from local test suites to automated CI.

Use four essential commands (add, pull, push, split) to keep shared libraries in sync across teams.

Learn how to check and update your Git version across Windows, macOS, and Linux with easy commands to access the latest features and bug fixes.

A practical guide to `docker init` - what it generates, how to use it with a real Python project, and when it's the right tool for the job.

Master Terraform import of existing cloud resources with CLI commands and import blocks to bring legacy infrastructure under Infrastructure as Code management.