Download Agile Web Development with Rails (2nd Edition) by Justin Gehtland, James Duncan Davidson, Dave Thomas, David PDF

By Justin Gehtland, James Duncan Davidson, Dave Thomas, David Heinemeier Hansson, Leon Breedt, Mike Clark, Andreas Schwarz

The definitive, Jolt-award successful advisor to studying and utilizing Rails is now in its moment variation. Rails is a brand new method of web-based software improvement that permits builders to create full-featured, refined web-based functions utilizing much less code and no more attempt. Now programmers can get the task performed correct and nonetheless go away paintings on time.
NEW within the moment version: The booklet has been up-to-date to use all of the new Rails 1.2 positive factors. The pattern software makes use of migrations, Ajax, includes a leisure interface, and illustrates new Rails positive factors. There are new chapters on migrations, energetic aid, energetic checklist, and motion controller (including the recent resources-based routing). the net 2.0 and Deployment chapters were thoroughly rewritten to mirror the most recent considering. you can now examine which environments are most sensible in your kind program, and spot how Capistrano makes handling your website easy. all of the last chapters were broadly up-to-date. eventually, hundreds and hundreds of reviews from readers of the 1st version were integrated, making this booklet easily the simplest to be had.
Rails is a full-stack, open resource net framework that permits you to create full-featured, refined web-based functions with a twist...you can create a whole Rails program utilizing much less code than the setup XML you'd desire simply to configure another frameworks.
With this booklet, you'll use Rails lively list to attach company gadgets and database tables. not more painful object-relational mapping. simply create what you are promoting gadgets and enable Rails do the remaining. You'll methods to use the motion Pack framework to path incoming requests and render pages utilizing easy-to-write templates and elements. See the best way to take advantage of the Rails provider frameworks to ship emails, seek advice from net providers, and engage dynamically with JavaScript functions working within the browser (the "Ajax" architecture).
You'll see how effortless it really is to set up Rails. You'll be writing purposes that paintings along with your favourite database (MySQL, Oracle, Postgres, and extra) very quickly in any respect.

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Additional resources for Agile Web Development with Rails (2nd Edition)

Sample text

This is probably good enough while you’re getting to know Rails. 7, Keeping Up-to-Date, on page 42. If you’re still reading this, it means you want to connect to a database other than MySQL. Rails works with DB2, MySQL, Oracle, Postgres, Firebird, SQL Server, and SQLite. For all but MySQL, you’ll need to install a database driver, a library that Rails can use to connect to and use your database engine. This section contains the links and instructions to get that done. The database drivers are all written in C and are primarily distributed in source form.

Com/rails/pages/RailsWebHosts on the Rails wiki lists some Rails-friendly ISPs. Now that we have Rails installed, let’s use it. On to the next chapter. Report erratum 42 Chapter 4 Instant Gratification Let’s write a simple application to verify we’ve got Rails snugly installed on our machines. Along the way, we’ll get a peek at the way Rails applications work. 1 Creating a New Application When you install the Rails framework, you also get a new command-line tool, rails, which is used to construct each new Rails application that you write.

Normally, this doesn’t matter, because HTML doesn’t much care about whitespace. However, if you’re using this templating mechanism to create e-mails, or HTML within

 blocks, you’ll want to remove these blank lines.  Do this by changing the end of the ERb sequence from %> to -%>.  That minus sign tells Rails to remove any newline that follows from the output.  
<% end %> Merry Christmas! we get the following.
Merry Christmas! Report erratum 51 H ELLO , R AILS ! Making Development Easier You might have noticed something about the development we’ve been doing so far.

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