Comentario
Rails is a full-stack, open-source web framework that enable s you to create full-featured, sophisticated web-based appli cations, but with a twist... A full Rails application probab ly has less total code than the XML you'd need to configure the same application in other frameworks.
With this book you'll learn how to use ActiveRecord to conne ct business objects and database tables. No more painful obj ect-relational mapping. Just create your business objects an d let Rails do the rest. You'll learn how to use the Action Pack framework to route incoming requests and render pages u sing easy-to-write templates and components. See how to expl oit the Rails service frameworks to send emails, implement w eb services, and create dynamic, user-centric web-pages usin g built-in Javascript and Ajax support. There are extensive chapters on testing, deployment, and scaling.
You'll see how easy it is to install Rails using your web se rver of choice (such as Apache or lighttpd) or using its own included web server. You'll be writing applications that wo rk with your favorite database (MySQL, Oracle, Postgres, and more) in no time at all.
You'll create a complete online store application in the ext ended tutorial section, so you'll see how a full Rails appli cation is developed---iteratively and rapidly.
Rails strives to honor the Pragmatic Programmer's "DRY Princ iple" by avoiding the extra work of configuration files and code annotations. You can develop in real-time: make a chang e, and watch it work immediately.
Forget XML. Everything in Rails, from templates to control f low to business logic, is written in Ruby, the language of c hoice for programmers who like to get the job donewell(and l eave work on time for a change).
Rails is the framework of choice for the new generation of W eb 2.0 developers. Agile Web Development with Rails is the b ook for that generation, written by Dave Thomas (Pragmatic P rogrammer and author of Programming Ruby) and David Heinemei er Hansson, who created Rails.
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