Engineering
Requirements analysis
Requirements describe outcomes, rules, and constraints.
REFERENCE CATEGORY
Engineering
14 practical topics
Engineering
Domain modelling
Domain models name business concepts and their behavior.
Engineering
Entity modelling
Entities have stable identity through changing attributes.
Engineering
Database design
Schema design makes relationships and integrity explicit.
Engineering
Architecture
Architecture organizes responsibilities and dependencies.
Engineering
Separation of concerns
Separate HTTP, business rules, storage, and presentation responsibilities.
Engineering
SOLID principles
SOLID encourages cohesive responsibilities and replaceable collaborators.
Engineering
Error handling
Error handling distinguishes invalid input, conflicts, and unexpected failure.
Engineering
Logging
Logs explain execution and failure in operational terms.
Engineering
Testing
Tests prove requirements, invariants, and failure behavior.
Engineering
Concurrency
Concurrency means operations overlap and can act on stale state.
Engineering
Transactions
A transaction boundary defines which database changes succeed together.
Engineering
Reliability
Reliability means preserving correct outcomes despite expected failures.
Engineering
Observability
Observability uses logs, metrics, and traces to explain system behavior.