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Clean Code: 10 Principles That Make You a Better Developer

2026-03-16 · cod-ai.com Team

Code is read 10x more than it's written. Optimize for readability.

Naming

Variables: userEmail not ue. Functions: calculateTotalPrice() not calc(). Booleans: isActive, hasPermission, canEdit.

Functions

Do one thing. Be short (under 20 lines). Have descriptive names. Avoid side effects. Return early instead of deep nesting.

Comments

Don't comment WHAT (the code shows that). Comment WHY (the code can't show intent). Best comment: none needed because the code is self-explanatory.

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