Category

clean-code

5 articles in this category

Understanding KISS, YAGNI, and DRY: Key Software Development Principles

TLDR: KISS (Keep It Simple), YAGNI (You Aren't Gonna Need It), and DRY (Don't Repeat Yourself) are the three most universally applicable software engineering mantras. They share a common enemy: unnecessary complexity. šŸ“– The Complexity Tax Every li...

•5 min read

Simplifying Code with the Single Responsibility Principle

TLDR: The Single Responsibility Principle says a class should have only one reason to change. If a change in DB schema AND a change in email format both require you to edit the same class, that class has two responsibilities — and needs to be split. ...

•4 min read

Interface Segregation Principle: No Fat Interfaces

TLDR: The Interface Segregation Principle (ISP) states that clients should not be forced to depend on methods they don't use. Split large "fat" interfaces into smaller, role-specific ones. A RoboticDuck should not be forced to implement fly() just be...

•5 min read

How the Open/Closed Principle Enhances Software Development

TLDR: The Open/Closed Principle (OCP) states software entities should be open for extension (add new behavior) but closed for modification (don't touch existing, tested code). This prevents new features from introducing bugs in old features. šŸ“– "Op...

•4 min read

Dependency Inversion Principle: Decoupling Your Code

TLDR: The Dependency Inversion Principle (DIP) states that high-level business logic should depend on abstractions (interfaces), not on concrete implementations (MySQL, SendGrid, etc.). This lets you swap a database or email provider without touching...

•4 min read