Download Agile Web Development with Rails (3rd Edition) by Dave Thomas, David Heinemeier Hansson, Sam Ruby PDF

By Dave Thomas, David Heinemeier Hansson, Sam Ruby

You are looking to write professional-grade functions: Rails is a full-stack, open-source net framework, with built-in help for unit, sensible, and integration trying out. It enforces stable layout rules, consistency of code throughout your staff (and throughout your organization), and correct unencumber administration.

yet Rails is greater than a collection of top practices. Rails makes it either enjoyable and simple to show out very cool internet functions. desire Ajax aid, so your internet purposes are hugely interactive? Rails has it in-built. wish an software that sends and gets e mail? in-built. helps internationalization and localization? inbuilt. do you want functions with a REST-based interface (so they could engage with different RESTful functions with virtually no attempt in your part)? All integrated.

With this booklet, you'll 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 items and allow Rails do the remainder. have to create and alter your schema? Migrations make it painless (and they're versioned, so that you can roll adjustments backward and forward). You'll the way to use the motion Pack framework to direction incoming requests and render pages utilizing easy-to-write templates and elements. See the way to take advantage of the Rails provider frameworks to ship emails, enforce net companies, and create dynamic, user-centric web-pages utilizing integrated Javascript and Ajax aid. there's huge insurance of trying out, and the rewritten Deployment bankruptcy now covers Phusion Passenger.

As with the former versions of the booklet, we commence with a longer instructional that builds components of an internet shop. And, in fact, the applying has been rewritten to teach the easiest of Rails V2.

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Extra info for Agile Web Development with Rails (3rd Edition)

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The database drivers are all written in C and are primarily distributed in source form. If you don’t want to bother building a driver from source, take a careful look at the driver’s website. Many times you’ll find that the author also distributes binary versions. If you can’t find a binary version or if you’d rather build from source anyway, you’ll need a development environment on your machine to build the library. Under Windows, this means having a copy of Visual C++. Under Linux, you’ll need gcc and friends (but these will likely already be installed).

5, Choosing a Rails Version, on page 36. See you there. 6 (Tiger), Mac users have a decent Ruby installation included as standard. 5 (Leopard) includes Rails itself. 6. So either way, you have some upgrading to do, a bit more for Tiger than for Leopard, but it’s not too difficult either way. 0 printing, March 2009) 33 I NSTALLING ON L INUX Tiger users will also need to upgrade SQLite 3. This can be done via compiling from source (which sounds scarier than it is). html. php. Although the instructions look a bit scary, the individual steps are pretty straightforward: run an installer, run another installer, add two lines to a file, run yet another installer, and then issue a single command.

The Story So Far Let’s briefly review how our current application works: 1. The user navigates to our application. In our case, we do that using a local URL such as http://localhost:3000/say/hello. 2. Rails analyzes the URL. rb). 3. The next part of the URL path, hello, identifies an action. Rails invokes a method of that name in the controller. This action method creates a new Time object holding the current time and tucks it away in the @time instance variable. 4. Rails looks for a template to display the result.

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