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 internet framework, with built-in help for unit, useful, and integration checking out. It enforces stable layout ideas, consistency of code throughout your staff (and throughout your organization), and correct free up administration.

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

With this e-book, you'll tips on how to use ActiveRecord to attach enterprise gadgets and database tables. not more painful object-relational mapping. simply create your small business gadgets and allow Rails do the remaining. have to create and regulate your schema? Migrations make it painless (and they're versioned, so that you can roll alterations backward and forward). You'll the right way to use the motion Pack framework to path incoming requests and render pages utilizing easy-to-write templates and parts. 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's broad insurance of checking out, and the rewritten Deployment bankruptcy now covers Phusion Passenger.

As with the former variants of the e-book, we commence with a longer instructional that builds elements of a web shop. And, in fact, the appliance has been rewritten to teach the simplest of Rails V2.

Show description

By Dave Thomas, David Heinemeier Hansson, Sam Ruby

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

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

With this e-book, you'll tips on how to use ActiveRecord to attach enterprise gadgets and database tables. not more painful object-relational mapping. simply create your small business gadgets and allow Rails do the remaining. have to create and regulate your schema? Migrations make it painless (and they're versioned, so that you can roll alterations backward and forward). You'll the right way to use the motion Pack framework to path incoming requests and render pages utilizing easy-to-write templates and parts. 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's broad insurance of checking out, and the rewritten Deployment bankruptcy now covers Phusion Passenger.

As with the former variants of the e-book, we commence with a longer instructional that builds elements of a web shop. And, in fact, the appliance has been rewritten to teach the simplest of Rails V2.

Show description

Read or Download Agile Web Development with Rails (3rd Edition) PDF

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

Example text

Most of the time, you’ll want to use it when substituting values into HTML pages. email>" ) %> In this example, the h method prevents the special characters in the e-mail address from garbling the browser display—they’ll be escaped as HTML entities. email>, and the special characters are displayed appropriately. 0 printing, March 2009) 54 H ELLO , R AILS ! 55 Adding the Time Our original problem was to display the time to users of our application. We now know how to make our application display dynamic data.

It requires close cooperation with the application’s users, because we want to gather feedback as we go along. We might make mistakes, or the client might discover they asked for one thing but really wanted something different. It doesn’t matter what the reason—the earlier we discover we’ve made a mistake, the less expensive it will be to fix that mistake. All in all, with this style of development there’s a lot of change as we go along. Because of this, we need to use a toolset that doesn’t penalize us for changing our minds.

7. rhtml. 0 printing, March 2009) 50 H ELLO , R AILS ! 1, Builder Templates, on page 510. The second way, which we’ll use here, is to embed Ruby code in the template itself. erb suffix tells Rails to expand the content in the file using a system called ERb. erb file and outputs a transformed version. The output file is often HTML in Rails, but it can be anything. Normal content is passed through without being changed. However, content between <%= and %> is interpreted as Ruby code and executed.

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