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Railties is the core Rails code that builds new Rails applications and glues the various frameworks together in any Rails application. It implements a way to map web-based resources to local objects with CRUD semantics. 2.2.5 Active ResourceĪctive Resource provides a framework for managing the connection between business objects an RESTful web services.
You can use Action Mailer to send emails based on flexible templates, or to receive and process incoming email. 2.2.4 Action MailerĪction Mailer is a framework for building e-mail services. It provides database independence, basic CRUD functionality, advanced finding capabilities, and the ability to relate models to one another, among other services. 2.2.3 Active RecordĪctive Record is the base for the models in a Rails application. Action View manages rendering templates, including nested and partial templates, and includes built-in AJAX support. It can create both HTML and XML output by default. 2.2.2 Action ViewĪction View manages the views of your Rails application. Services provided by Action Controller include session management, template rendering, and redirect management. The Action Controller framework processes incoming requests to a Rails application, extracts parameters, and dispatches them to the intended action.
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Rails provides a full stack of components for creating web applications, including:Īction Controller is the component that manages the controllers in a Rails application. In Rails, controllers are responsible for processing the incoming requests from the web browser, interrogating the models for data, and passing that data on to the views for presentation. 2.1.3 ControllersĬontrollers provide the “glue” between models and views. Views handle the job of providing data to the web browser or other tool that is used to make requests from your application. In Rails, views are often HTML files with embedded Ruby code that performs tasks related solely to the presentation of the data. Views represent the user interface of your application. The bulk of your application’s business logic will be concentrated in the models. In most cases, one table in your database will correspond to one model in your application. In the case of Rails, models are primarily used for managing the rules of interaction with a corresponding database table.
If you persist in bringing old habits from other languages to your Rails development, and trying to use patterns you learned elsewhere, you may have a less happy experience. If you learn “The Rails Way” you’ll probably discover a tremendous increase in productivity. That is, it assumes that there is a best way to do things, and it’s designed to encourage that best way – and in some cases to discourage alternatives. Longtime Rails developers also report that it makes web application development more fun. It allows you to write less code while accomplishing more than many other languages and frameworks. It is designed to make programming web applications easier by making several assumptions about what every developer needs to get started. Rails is a web development framework written in the Ruby language.
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There are some good free resources on the internet for learning Ruby, including: Rails isn’t going to magically revolutionize the way you write web applications if you have no experience with the language it uses. You will find it much easier to follow what’s going on with a Rails application if you understand basic Ruby syntax. It is highly recommended that you familiarize yourself with Ruby before diving into Rails.