Rubber duck debugging

Origin

The practice, and the whimsical phrase itself, emerged from the world of software development, where programmers often face elusive bugs that seem to defy logic. The core idea is simple: if you can clearly explain your code, line by line, to someone else (even an inanimate object like a rubber duck), you often uncover the flaw yourself. The very act of articulating your thought process forces you to slow down, examine assumptions, and identify overlooked details. It’s a testament to the power of verbalizing a problem; the duck itself doesn’t offer advice, but its silent, unblinking presence provides the perfect, non-judgemental 'listener' for a programmer to talk their way to a solution.