SOLID Principles: Some Background. SOLID is a set of five principles invented by the folks at Object Mentor to explain how to write good object-oriented code. The purpose of this post is not to educate you on what these principles are or go into depth about why you might follow them, but instead to point those performing code reviews to code smells that might be a result of not following these principles. The principles were compiled by Robert C. Martin, although he didn’t invent them. Open/Closed Principle 3. Simply don't repeat yourself. The SOLID design principles: The solid design principles are a set of combined principles that help to guide software engineers make software designs understandable, easier to manage or maintain, and convenient to extend or scale. DRY comes from Don't Repeat Yourself, which basically means don't write the same stuff in multiple places, or you will have to keep them synchronized at every change. It’s a mnemonic acronym for the following five design principles: In object-oriented design, the SOLID principles (or simply SOLID) are a group of five design principles meant to make code cleaner, more flexible, and easier to change. Code first, make it work, and then keep in mind all these principles you know (DRY, SOLID and so on) to refactor, on a second step. BDUF – Big Design Up Front. SOLID Principles. SOLID Design Principles Explained: The Single Responsibility Principle. JavaScript is a multi-paradigm programming language, and we can apply the solid principles to it, and the great of it is that, we can combine it … 6. These 5 principles were introduced by Robert C. Martin (Uncle Bob), in his 2000 paper Design Principles and Design Patterns. DRY principle violations should be handled when the knowledge is already and obviously duplicated. Thorben Janssen April 1, 2020 Developer Tips, Tricks & Resources. The actual SOLID acronym was, however, identified later by Michael Feathers. You a can find a great article written by a pretty handsome guy right here. SOLID is an acronym for 5 important design principles when doing OOP (Object Oriented Programming).. The DRY (don't repeat yourself) principle is a best practice in software development that recommends software engineers to do something once, and only once. This is a relic from the waterfall era before everyone became cool and Agile. They are: 1. This acronym is here to remind us not get over carried with super complex architecture. SOLID is one of the most popular sets of design principles in object-oriented software development. Liskov’s Substitution Principle 4. Single Responsibility Principle 2. 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