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

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

Rails is a full-stack, open resource internet framework that allows you to create full-featured, subtle web-based functions, yet with a twist... a whole Rails program most likely has much less overall code than the XML you'll have to configure an analogous software in different frameworks. With this ebook you will the right way to use "ActiveRecord" to attach company items and database tables. not more painful object-relational mapping. simply create what you are promoting gadgets and permit Rails do the remaining. you will how one can use the "Action Pack" framework to direction incoming requests and render pages utilizing easy-to-write templates and parts. See tips on how to make the most the Rails provider frameworks to ship emails, enforce net companies, and create dynamic, user-centric web-pages utilizing integrated Javascript and Ajax aid. There are wide chapters on trying 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 internet server. you will be writing functions that paintings along with your favourite database (MySQL, Oracle, Postgres, and extra) very quickly in any respect. you will create an entire on-line shop program within the prolonged instructional part, so you will see how a whole Rails program is developed---iteratively and swiftly. Rails strives to honor the Pragmatic Programmer's "DRY precept" via keeping off the additional paintings of configuration records and code annotations. you could strengthen in real-time: make a metamorphosis, and watch it paintings instantly. disregard XML. every thing in Rails, from templates to manage circulate to company common sense, 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 hot iteration of internet 2.0 builders. Agile internet improvement with Rails is the e-book for that new release, written by way of Dave Thomas (Pragmatic Programmer and writer of Programming Ruby) and David Heinemeier Hansson, who created Rails.

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Prepared exclusively for Rida Al Barazi I TERATION A1: G ET S OMETHING R UNNING work> cd depot work> ls CHANGELOG README Rakefile app components config db doc lib log public script test vendor Create the Databases For this application, we’ll use the open-source MySQL database server (which you’ll need too if you’re following along with the code). For reasons that will become clear later, we’re actually going to create three databases. • depot_development will be our development database. All of our programming work will be done here.

In this chapter, we describe the default mechanism. 3, Routing Requests, on page 280. Prepared exclusively for Rida Al Barazi Report erratum 29 H ELLO , R AILS ! com/online/demo/say/hello class CustomerController < ... def hello class OrderController < ... # actions... def hello end class UpdateController < ... # actions... end def hello end class SayController < ... # actions... end def hello end class LoginController < ... # actions... end def hello end # actions... end end end Create an instance of class SayController Then invoke its hello() method class SayController < ...

Once you’ve done this, you should be able to reinstall the Ruby MySQL gem and things should start working. An alternative for the adventurous is to reinstall Ruby using fink or Darwin Ports. That’s a pretty big topic, and not one that we’ll cover here. z> sudo make install Password: 3. Install RubyGems. org, and follow the download link. Once you have the file locally, enter the following in your shell window. rb Password: 4. We’ll now use RubyGems to install Rails.

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