design
Practical resources about design for software engineers.
150 results
Patterns for Maintainable Code
Design patterns are not cookbook recipes — they are a shared vocabulary for discussing solutions to recurring problems. Knowing when to apply (and when to avoid) a pattern is a hallmark of senior engineering.
Browse our catalog of creational, structural, and behavioral patterns. Each entry includes a real-world scenario, UML diagrams, implementation in multiple languages, and a discussion of trade-offs. From Singleton to Outbox, find the right tool for your context.
Refactoring Techniques: A Complete Guide
Master the essential refactoring techniques — extract method, move function, guard clauses,...
Technical Debt: Track, Prioritize, Pay Down
A working system for technical debt: debt register, impact-vs-effort prioritization, paydown...
Database Normalization — 1NF to 5NF Explained
A visual guide to database normalization: learn 1NF through 5NF with practical examples, when to...
Code Review Best Practices: Authors and Reviewers
A practical guide to useful code reviews: how to write reviewable code, give constructive feedback,...
Practical Design Patterns Guide
Pick the right design pattern for each problem: Singleton, Factory, Observer, Strategy and more,...
SOLID Principles Explained with Examples
Learn the five SOLID principles with bad-vs-good code examples and a full before/after refactor of...
Complete Guide to CSS Grid and Flexbox
Master CSS layout: Grid vs Flexbox, template areas, subgrid, container queries, logical properties...
Complete Guide to Mobile Responsive Design
Build layouts that work on every screen. Mobile-first breakpoints, Grid, Flexbox, container...
Threat Modeling — A Practical Guide for Development Teams
A step-by-step guide to threat modeling: STRIDE, attack trees, data flow diagrams, and integrating...
Test-Driven Development (TDD) — A Practical Workflow
Learn TDD step by step: write a failing test, make it pass, refactor. Red-Green-Refactor with real...
No results found.