Codex Zero to Hero
Module 02: Absolute Beginner Coding Concepts
A practical module for moving from concept to safe Codex execution.
Learning Outcomes
- Explain the topic in beginner-friendly language.
- Prompt Codex with context, constraints, and done-when criteria.
- Review output safely before publishing.
Safety Note
Use branches, backups, previews, and human review. Do not deploy untested code or commit secrets.
Module progress
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Lessons
What Code Is
By the end, learners can explain what code is, ask Codex for focused help, review the result, and decide the next safe step.
What a Repo Is
By the end, learners can explain what a repo is, ask Codex for focused help, review the result, and decide the next safe step.
What a File Tree Is
By the end, learners can explain what a file tree is, ask Codex for focused help, review the result, and decide the next safe step.
HTML, CSS, and JavaScript in Plain English
By the end, learners can explain html, css, and javascript in plain english, ask Codex for focused help, review the result, and decide the next safe step.
Frontend, Backend, and Full Stack
By the end, learners can explain frontend, backend, and full stack, ask Codex for focused help, review the result, and decide the next safe step.
Dependencies, Package Managers, and Build Tools
By the end, learners can explain dependencies, package managers, and build tools, ask Codex for focused help, review the result, and decide the next safe step.
Module Capstone: Explain a Simple Web Project
By the end, learners can explain module capstone: explain a simple web project, ask Codex for focused help, review the result, and decide the next safe step.
Module Project
Create a practical artifact for absolute beginner coding concepts: a prompt pack, checklist, issue brief, page draft, QA report, or deployment note.
Quiz
- What context should Codex inspect first?
- What should you review before accepting changes?
- What rollback step protects the work?
Answer key
Inspect relevant files and errors, review diffs and tests, and keep a backup, branch, or preview rollback plan.
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