Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Related content About the Single Source of Truth (SSOT) and Don't Repeat Yourself (DRY) principles DRY not WET! "Don't Repeat Yourself!" Source Wikipedia Copyright information Text from Wikipedia and Wiktionary web pages quoted for educational purposes is subject to the Wikipedia Creative Commons Attribution ShareAlike Licence Snippet kind INFO Keywords DRY WET Previous snippet "Don't repeat yourself" (DRY) is a principle of software development aimed at reducing repetition of information which is likely to change, replacing it with abstractions that are less likely to change, or using data normalization which avoids redundancy. Full quote The DRY principle is stated as "Every piece of knowledge must have a single, unambiguous, authoritative representation within a system". The principle has been formulated by Andy Hunt and Dave Thomas in their book The Pragmatic Programmer. They apply it quite broadly to include database schemas, test plans, the build system, even documentation. URL Don't repeat yourself Next snippet When the DRY principle is applied successfully, a modification of any single element of a system does not require a change in other logically unrelated elements. Additionally, elements that are logically related all change predictably and uniformly, ... Related snippets Related snippets (backlinks) WET: The opposing view to DRY is called WET, a backronym commonly taken to stand for write everything twice (alternatively write every time, we enjoy typing or waste everyone's time). Visit also Visit also (backlinks) Flags
