Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike's Agile web development with rails: a Pragmatic guide PDF

By Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, Thomas Fuchs, Andrea Schwarz

ISBN-10: 097669400X

ISBN-13: 9780976694007

Rails is a full-stack, open resource net framework that permits you to create full-featured, subtle web-based purposes, yet with a twist... an entire Rails software most likely has much less overall code than the XML you'll have to configure an analogous program in different frameworks. With this publication you are going to the way to use "ActiveRecord" to attach company items and database tables. not more painful object-relational mapping. simply create your small business items and allow Rails do the remaining. you will the way to use the "Action Pack" framework to direction incoming requests and render pages utilizing easy-to-write templates and elements. See tips on how 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 aid. There are wide chapters on checking out, deployment, and scaling. you will see how effortless it really is to put in Rails utilizing your net server of selection (such as Apache or lighttpd) or utilizing its personal integrated net server. you may be writing functions that paintings along with your favourite database (MySQL, Oracle, Postgres, and extra) very quickly in any respect. you are going to create a whole on-line shop software within the prolonged instructional part, so you will see how a whole Rails software is developed---iteratively and speedily. Rails strives to honor the Pragmatic Programmer's "DRY precept" via fending off the additional paintings of configuration records and code annotations. you could strengthen in real-time: make a transformation, and watch it paintings instantly. put out of your mind XML. every thing in Rails, from templates to manage stream to enterprise good judgment, is written in Ruby, the language of selection for programmers who wish to get the task performed good (and depart paintings ontime for a change). Rails is the framework of selection for the recent new release of internet 2.0 builders. Agile net 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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Extra info for Agile web development with rails: a Pragmatic guide

Sample text

We already know that Rails uses a convention to parse the URL into a target controller and an action within that controller. So a simple approach would be to adopt this URL convention for our links. rhtml would contain the following. Prepared exclusively for Rida Al Barazi Report erratum 38 L INKING P AGES T OGETHER ....

Say GoodBye! rhtml would point the other way. ....

Say Hello!

This approach would certainly work, but it’s a bit fragile.

Issue the command dave> gem update rails and RubyGems will automatically update your Rails installation. The next time you restart your application it will pick up this latest version of Rails. 6 Rails and ISPs If you’re looking to put a Rails application online in a shared hosting environment, you’ll need to find a Ruby-savvy ISP. Look for one that supports Ruby, has the Ruby database drivers you need, and offers FastCGI and/or lighttpd support. We’ll have more to say about deploying Rails applications in Chapter 22, Deployment and Scaling, on page 440.

3 Linking Pages Together It’s a rare web application that has just one page. Let’s see how we can add another stunning example of web design to our Hello, World! application. Normally, each style of page in your application will correspond to a separate view. In our case, we’ll also use a new action method to handle the page (although that isn’t always the case, as we’ll see later in the book). We’ll use the same controller for both actions. Again, this needn’t be the case, but we have no compelling reason to use a new controller right now.

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Agile web development with rails: a Pragmatic guide by Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, Thomas Fuchs, Andrea Schwarz

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