CodeDev knowledge system / 28 chapters
DOCUMENT
DOCUMENT
THE WHOLE
SYSTEM.
A practical reference for programming, DSA, frameworks, databases, APIs, Linux, networking, testing, security, deployment, and the architecture behind CodeDev itself.
All documentation
4 / 28
Results for “backend”
01 / Start here
Beginner → advanced
Developer learning roadmap
A practical order for learning programming, DSA, web development, databases, systems, testing, and production deployment.
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02 / Web + frameworks
Intermediate
HTTP, REST APIs, and backend design
Requests, responses, status codes, JSON APIs, validation, idempotency, pagination, authentication, and API boundaries.
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03 / 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.
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04 / CodeDev system
System reference
CodeDev system architecture
How the current CodeDev by Edward website is structured: Flask application factory, blueprints, templates, database, media storage, and public/admin boundaries.
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Production referenceHOW CODEDEV