Blog Index (A–Z)

Code katas are short, repeatable programming exercises designed to improve specific skills through deliberate practice. Borrowed from martial arts, the term “kata” refers to a structured routine you…

Code refactoring is the process of restructuring existing computer code without changing its external behavior. The main purpose is to improve the internal structure of the code—making it…

Test Driven Development (TDD) is a software development practice where tests are written before the actual code. The main idea is simple: first, you write a failing test…

Tight coupling is when one component depends directly on the concrete implementation, lifecycle, and behavior of another. If A changes, B likely must change too. This is the…