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Get Beginning Rails 3 PDF

By Cloves Carneiro Jr., Rida Al Barazi

ISBN-10: 1430224347

ISBN-13: 9781430224341

Starting Rails three is the sensible place to begin for a person desirous to the way to construct dynamic net purposes utilizing the Rails framework for Ruby. You'll find out how all the elements of Rails healthy jointly and the way you could leverage them to create subtle net purposes with much less code and extra joy.

This publication is especially well matched to these with very little adventure with internet software improvement, or who've a few adventure yet are new to Rails. starting Rails three assumes simple familiarity with net phrases and applied sciences, yet doesn't require you to be a professional. instead of delving into the arcane information of Rails, the focal point is at the points of the framework that might turn into your choose, shovel, and awl. half heritage lesson, half creation to object-oriented programming, and half dissertation on open resource software program, this identify doesn't simply clarify how you can do anything in Rails, it explains why.

* discover ways to create Rails net purposes from scratch
* contains a light advent to the Ruby programming language
* thoroughly up to date to incorporate the beneficial properties of Rails three

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Extra info for Beginning Rails 3

Example text

Access denied for user 'root'@'localhost' (using password: NO) then you need to adjust your connection settings. yml configuration file. Creating the Article Model Now that you can connect to the database, in this section you create a model. Remember that models in Rails correspond to database table names. Because you want to model articles, let’s create a model named Article. By convention, model names are singular and correspond to plural table names. So, an Article model expects a table named articles; a Person model expects a table named people.

Rb file, and make sure it looks like Listing 2-4. 27 CHAPTER 2 „ GETTING STARTED Listing 2-4. :format)))' end It looks like you’re all set. erb template. Start up the web server again using the rails server command, and request the URL http://localhost:3000/salutation/hello in your browser. You should see the result shown in Figure 2-4. Figure 2-4. The “Hello World” application Sure enough, there’s your greeting! The hello template reads the @message variable that you set in the controller and, with a little help from ERb, printed it out to the screen.

Format)))' end It looks like you’re all set. erb template. Start up the web server again using the rails server command, and request the URL http://localhost:3000/salutation/hello in your browser. You should see the result shown in Figure 2-4. Figure 2-4. The “Hello World” application Sure enough, there’s your greeting! The hello template reads the @message variable that you set in the controller and, with a little help from ERb, printed it out to the screen. rb file. :format))) For now, it’s enough that you can make the mental connection between URL segments and the code in your application.

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Beginning Rails 3 by Cloves Carneiro Jr., Rida Al Barazi


by Charles
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