- Test Coverage
Why Testing Matters Tests are the safety net of your codebase. Without them, every change is a gamble — you push code and hope nothing breaks. With a solid test suite, you refactor with confidence, onboard new developers faster, and catch regressions before they reach production. In professional…
- Naming Conventions
Why Naming Matters Code is read far more often than it is written. The names you choose for classes, methods, variables, and constants are the first layer of documentation your teammates encounter. Good names eliminate the need for comments, reduce onboarding time, and prevent bugs caused by…
- SOLID Principles
SOLID Principles SOLID is an acronym for five design principles that make object-oriented code more maintainable, flexible, and scalable. These are not academic theories — they are practical guidelines that experienced engineers apply daily to keep codebases from turning into unmaintainable messes.…
- Documentation
Documentation is not an afterthought — it is a core engineering deliverable. Code without documentation becomes legacy code the moment its author walks away. As a senior developer, the documentation you write falls into a handful of categories, each with a clear purpose and audience. Code Comments:…
- Flyweight Pattern
Introduction The Flyweight Pattern is a structural design pattern that minimizes memory usage by sharing as much data as possible between similar objects. Imagine a text editor rendering a document with thousands of characters. Each character needs a font, size, and color — but most characters…