APPENDICES

Tools, terms, and the local setup for Coding 3. Start with Appendix A to get your machine ready.

Appendix A

The Local Toolchain

Python, Node, git, and a real editor

Coding 3 leaves the browser editor behind. How to install Python, Node.js, git, and a real editor on macOS, Windows, and Linux — and verify each one works.
Appendix B

Databases Locally

SQLite, PostgreSQL, and MongoDB

Getting all three database engines running on your machine — the bundled simplicity of SQLite, a local PostgreSQL server, and MongoDB, with a Docker shortcut for the brave.
Appendix C

The Agentic-AI Toolkit

Which agent, the human-in-the-loop rules, classroom policy

How to set up and use an agentic AI for Phase 2 — one that edits files and runs code. The non-negotiable human-in-the-loop rules, and what the required agent log must contain.
Appendix D

Glossary

Coding 3 terms, alphabetical and by chapter

Big-O, amortized cost, cache locality, load factor, ports, REST, schema, index, ACID, document store, event loop, and the new vocabulary of directing an agent.