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

All documentation

Results for “python”

9 / 28

01 / Start here Beginner → advanced

Developer learning roadmap

A practical order for learning programming, DSA, web development, databases, systems, testing, and production deployment.

roadmapstudybeginnercareer

02 / Start here Beginner

Programming fundamentals

The core ideas shared by nearly every programming language: data, control flow, functions, scope, errors, files, and program structure.

variablesloopsfunctionsoop

03 / Languages Beginner → intermediate

Python application development

Python fundamentals, type hints, modules, virtual environments, data structures, exceptions, and application organization.

pythonvenvtypingmodules

04 / DSA + algorithms Intermediate

Trees, heaps, and graphs

Hierarchical structures, priority queues, graph models, BFS/DFS, and how these structures map to real software problems.

treeheapgraphbfs

05 / Web + frameworks Intermediate

HTTP, REST APIs, and backend design

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

httprestapijson

06 / 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

07 / Data + backend Intermediate → advanced

Backend architecture and data integrity

Service boundaries, validation, transactions, migrations, concurrency, caching, and designing state changes that remain correct under failure.

backendtransactionsmigrationsconcurrency

08 / Systems + delivery Intermediate

Linux, networking, and Docker

Linux service basics, permissions, ports, IP addressing, sockets, reverse proxies, containers, and deployment troubleshooting.

linuxnetworkingdockerports

09 / Systems + delivery Intermediate

Testing and debugging

Unit, integration, regression, security, migration, and deployment tests plus a systematic debugging method.

testingpytestdebuggingregression

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↗

DOCUMENTTHE WHOLESYSTEM.