CodeDev knowledge system / 28 chapters

DOCUMENT
THE WHOLE
SYSTEM.

A practical reference for programming, DSA, frameworks, databases, APIs, Linux, networking, testing, security, deployment, and the architecture behind CodeDev itself.

Chapters28Structured references

Sections7Learning areas

Code36Runnable examples

SystemLIVECodeDev architecture reference

Web + frameworks

Choose a chapter.

4 / 28

01 / Web + frameworks Beginner → intermediate

HTML, CSS, and responsive web foundations

Semantic HTML, accessible forms, CSS layout, responsive design, progressive enhancement, and browser fundamentals.

htmlcssresponsiveaccessibility

02 / Web + frameworks Intermediate

HTTP, REST APIs, and backend design

Requests, responses, status codes, JSON APIs, validation, idempotency, pagination, authentication, and API boundaries.

httprestapijson

03 / Web + frameworks Intermediate

Flask and Django frameworks

How Flask and Django organize Python web applications, where each fits, and the production concerns both frameworks share.

flaskdjangopythonframework

04 / Web + frameworks Intermediate

React, Vue, and Svelte overview

Component-driven frontend architecture, state, routing, forms, API calls, and how to decide whether a frontend framework is necessary.

reactvuesveltefrontend

Production reference

HOW CODEDEV
ACTUALLY WORKS.

01CodeDev system architecture↗ 02CodeDev database and data model↗ 03CodeDev authentication and Superadmin security↗ 04CodeDev Superadmin, media, and analytics↗ 05CodeDev deployment and operations↗