Agile Web Development with Rails 5 by Sam Ruby

By Sam Ruby

Rails five and Ruby 2.2 deliver many advancements, together with new APIs and vast functionality improvements, and the 5th variation of this award-winning vintage is now up-to-date! in case you are new to Rails, you will get step by step information. if you are an skilled developer, this publication provide you with the great, insider details you would like for the newest model of Ruby on Rails.

Ruby on Rails is helping you produce top of the range, beautiful-looking net purposes speedy. you think about developing the appliance, and Rails looks after the main points. study Rails the way in which the Rails center staff recommends it, in addition to the tens of millions of builders who've used this vast, far-reaching instructional and reference.

We begin with a step by step walkthrough of creating a true program, and in-depth chapters examine the integrated Rails good points. stick to besides a longer instructional as you write an online shop software. do away with tedious configuration and house responsibilities; internationalize your purposes; include Ajax, relaxation, net prone, and email dealing with into your functions; try your functions as you write them utilizing the integrated trying out frameworks; and install your functions simply and securely. New during this version is insurance of motion Cable, and entirely up-to-date code for Rails 5.

Rails 1.0 was once published in December 2005, greater than 10 years in the past. This e-book used to be there from the beginning, and did not simply evolve along Rails, it advanced with Rails. it's been constructed in session with the Rails center workforce. in reality, Rails itself is verified opposed to the code during this book.

What You Need:

All you wish is a home windows, Mac OS X, or Linux desktop to do improvement on. This publication will take you thru the stairs to put in Rails and its dependencies. in the event you are not accustomed to the Ruby programming language, this ebook features a bankruptcy that covers the fundamentals essential to comprehend the fabric within the book.

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Additional resources for Agile Web Development with Rails 5

Example text

If we point our browser at our hello page, it now contains the link to the goodbye page, as shown in the screenshot on page 33.

It was nice having you here.

➤ Say <%= link_to "Hello", say_hello_path %> again. ➤

So far, we’ve just done things that should work, and—unsurprisingly—they’ve worked. But the true test of the developer friendliness of a framework is how it responds when things go wrong. As we’ve not invested much time into this code yet, now is a perfect time to try to break things.

We wrote this: link_to "Goodbye", say_goodbye_path First, link_to() is a method call. ) If you come from a language such as Java, you might be surprised that Ruby doesn’t insist on parentheses around method parameters. You can always add them if you like. say_goodbye_path is a precomputed value that Rails makes available to application views. It evaluates to the /say/goodbye path. Over time, you’ll see that Rails provides the ability to name all the routes that you use in your application. OK, let’s get back to the application.

P> So far, we’ve just done things that should work, and—unsurprisingly—they’ve worked. But the true test of the developer friendliness of a framework is how it responds when things go wrong. As we’ve not invested much time into this code yet, now is a perfect time to try to break things. know end def goodbye end end Refresh the following page in your browser: http://localhost:3000/say/hello. You should see something like the screenshot on page 34. report erratum • discuss Chapter 2. Instant Gratification • 34 For security reasons, the web console is configured to only be shown when accessed from the same machine as the web server is running on.

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