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Agile Web Development with Rails: A Pragmatic Guide by Dave Thomas

By Dave Thomas

I purchased this one with 'Programming Ruby' considering that i'd want either to appreciate what RoR is all approximately, yet 'Programming Ruby' continues to be at the shelf and in a number of days i used to be working the purchasing cart instance. smart way to profit tips on how to use the framework. And from what I observed, the recent model is evolving on the comparable quickly speed as Rails. that is my subsequent purchase.

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Extra info for Agile Web Development with Rails: A Pragmatic Guide (Pragmatic Programmers)

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I like using a pencil and paper. It’s quicker, and the customer gets to play too, grabbing the pencil and scribbling alterations right on the paper. 1 , is pretty traditional. The buyer sees a catalog page, from which she selects one product at a time. Each product selected gets added to the cart, and the cart is displayed after each selection. The buyer can continue shopping using the catalog pages, or she can check out and buy the contents of the cart. Report erratum 45 W HAT D EPOT D OES During checkout we capture contact and payment details and then display a receipt page.

These files live in standard locations in the Rails hierarchy: controllers go into app/controllers, and views go into subdirectories of app/views. 4, on the next page. Making It Dynamic So far, our Rails application is pretty boring—it just displays a static page. To make it more dynamic, let’s have it show the current time each time it displays the page. To do this, we need to make a change to the template file in the view—it now needs to include the time as a string. That raises two questions.

Sequence. This creates a link to a URL that will invoke the goodbye( ) action. The first parameter in the call to link_to( ) is the text to be displayed in the hyperlink, and the next parameter tells Rails to generate the link to the goodbye action. As we don’t specify a controller, the current one will be used. Let’s stop for a minute to consider that last parameter to link_to( ). ", :action => "goodbye" 5 The link_to( ) method can do a lot more than this, but let’s take it gently for now....

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