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

Data + backend

Results for “c”

2 / 28

01 / Data + backend Intermediate

SQL, PostgreSQL, and Redis

Relational modeling, SQL queries, indexes, transactions, PostgreSQL production use, and Redis for shared ephemeral state.

sqlpostgresqlredisdatabase

02 / 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

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.

SQL, PostgreSQL, and Redis

Backend architecture and data integrity

HOW CODEDEVACTUALLY WORKS.

DOCUMENT
THE WHOLE
SYSTEM.

HOW CODEDEV
ACTUALLY WORKS.