Skip to main content

Software Design Guides

Software Design Principles

Think of these guides as architectural blueprints for software. Just as good building design prevents collapsing structures, good software design prevents collapsing code as your application grows.

Why Design Principles Matter​

Good software design is the difference between code that can evolve gracefully over time and code that becomes increasingly difficult to maintain. These guides cover fundamental principles that help developers create better software by:

  • Reducing complexity through simple, focused designs
  • Improving maintainability by making code more readable and logical
  • Enhancing extensibility to accommodate future changes
  • Preventing technical debt that slows down development
  • Promoting consistency across projects and teams

Guides in This Section​

This section includes detailed guides on:

  • SOLID Principles: Five core principles for object-oriented design
  • DRY (Don't Repeat Yourself): Techniques to eliminate duplication
  • KISS (Keep It Simple, Stupid): Approaches to maintain simplicity
  • YAGNI (You Aren't Gonna Need It): How to avoid speculative coding
  • Design Patterns: Common solutions to recurring design problems
  • SQL Session Management: Best practices for database connections

Each guide includes practical examples, code comparisons, and explanations for both technical and non-technical audiences.

How to Use These Guides​

These guides can be used in several ways:

  • As a learning resource when first exploring software design
  • As a reference when making architectural decisions
  • As teaching material when mentoring other developers
  • As evaluation criteria when reviewing code

Whether you're a beginner learning these concepts for the first time or an experienced developer looking to refresh your knowledge, these guides provide valuable insights into creating better software.