Useful Principles and Acronyms

APIE

The 4 Pillars of OOP

• Abstraction
• Polymorphism 
• Inheritance
• Encapsulation

SOLID

SOLID: The First 5 Principles of Object Oriented Design

• Single Responsibility
• Open / Closed
• Liskov Substitution
• Interface Segregation
• Dependency Inversion

ACID

What does ACID mean in database systems?

• Atomicity
• Consistency
• Isolation
• Durability

DRY

The DRY Principle

• Don't
• Repeat
• Yourself

KISS

The KISS Principle

• Keep
• It
• Simple
• Stupid

YAGNI

Martin Fowler - YAGNI

• You
• Ain't
• Gonna
• Need
• It