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This document discusses the basic architecture and flow of a Rails application. It shows how requests come in through the URL and params, get routed to the controller, which then calls models to retrieve or save data to the database. The controller renders a view, which may include partials, and the HTML is returned to the user.
Welcome to Rails¶ â Whatâs Rails?¶ â Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern. Understanding the MVC pattern is key to understanding Rails. MVC divides your application into three layers: Model, View, and Controller, each with a specific responsibility. Model layer¶ â The Mod
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