Download PDF by Dave Thomas: Agile Web Development with Rails: A Pragmatic Guide

By Dave Thomas

ISBN-10: 0977616630

ISBN-13: 9780977616633

Rails is a full-stack, open resource net framework that allows you to create full-featured, subtle web-based functions, yet with a twist... a whole Rails software most likely has much less overall code than the XML you'll have to configure an identical software in different frameworks. With this publication you will find out how to use ActiveRecord to attach company items and database tables. not more painful object-relational mapping. simply create your enterprise gadgets and allow Rails do the remaining. you will the right way to use the motion Pack framework to direction incoming requests and render pages utilizing easy-to-write templates and elements. See easy methods to take advantage of the Rails provider frameworks to ship emails, enforce net providers, and create dynamic, user-centric web-pages utilizing integrated Javascript and Ajax help. There are wide chapters on checking out, deployment, and scaling. you will see how effortless it really is to put in Rails utilizing your internet server of selection (such as Apache or lighttpd) or utilizing its personal integrated net server. you can be writing purposes that paintings together with your favourite database (MySQL, Oracle, Postgres, and extra) very quickly in any respect. you are going to create an entire on-line shop software within the prolonged instructional part, so you will see how a whole Rails software is constructed - iteratively and swiftly. Rails strives to honor the Pragmatic Programmer's "DRY precept" via averting the additional paintings of configuration documents and code annotations. you could increase in real-time: make a transformation, and watch it paintings instantly. overlook XML. every little thing in Rails, from templates to regulate circulate to enterprise common sense, is written in Ruby, the language of selection for programmers who wish to get the activity performed good (and go away paintings on time for a change). Rails is the framework of selection for the hot new release of net 2.0 builders. Agile internet improvement with Rails is the publication for that new release, written through Dave Thomas (Pragmatic Programmer and writer of Programming Ruby) and David Heinemeier Hansson, who created Rails.

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2 Hello, Rails! I can’t help it—I just have to write a Hello, World! program to try a new system. The equivalent in Rails would be an application that sends our cheery greeting to a browser. As we saw in Chapter 2, The Architecture of Rails Applications, on page 22, Rails is a Model-View-Controller framework. Rails accepts incoming requests from a browser, decodes the request to find a controller, and calls an action method in that controller. The controller then invokes a particular view to display the results to the user.

Rails is written in Ruby, and you’ll be writing your applications in Ruby too. The Rails team now recommends Ruby version 1. 4. 5. ) • Ruby on Rails. 2. • Some libraries. • A database. 22 in this book. For a development machine, that’s about all we’ll need (apart from an editor, and we’ll talk about editors separately). However, if you’re going to deploy your application, you’ll also need to install a production web server (as a minimum) along with some support code to let Rails run efficiently.

In this chapter, we describe the default mechanism. 2, Routing Requests, on page 394. methods ֒→ page 633 47 H ELLO , R AILS ! com/say/hello Create an instance of SayController class UserController def hello class SayController # code for o action def hello end class ProductController # code for hello action end def hello end class LoginController # code for hello action end def login end # code . . 3: Rails Routes to Controllers and Actions Now let’s try calling it. Navigate to the URL http://localhost:3000/say/hello in a browser window.

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Agile Web Development with Rails: A Pragmatic Guide by Dave Thomas


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