Client Server Systems

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 huge 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 counsel. if you are an skilled developer, this ebook offers you the excellent, insider info you would like for the newest model of Ruby on Rails.

Ruby on Rails is helping you produce high quality, beautiful-looking net purposes quick. you consider developing the applying, and Rails looks after the main points. study Rails the way in which the Rails center group recommends it, besides the tens of hundreds of thousands of builders who've used this vast, far-reaching educational and reference.

We begin with a step by step walkthrough of creating a true software, and in-depth chapters examine the integrated Rails beneficial properties. stick to in addition to a longer educational as you write an internet shop software. cast off tedious configuration and house responsibilities; internationalize your purposes; include Ajax, leisure, internet companies, and e mail dealing with into your functions; try out your functions as you write them utilizing the integrated checking out frameworks; and installation your functions simply and securely. New during this version is insurance of motion Cable, and fully up-to-date code for Rails 5.

Rails 1.0 used to be published in December 2005, greater than 10 years in the past. This publication used to be there from the beginning, and did not simply evolve along Rails, it developed with Rails. it's been constructed in session with the Rails center group. actually, Rails itself is established opposed to the code during this book.

What You Need:

All you would like is a home windows, Mac OS X, or Linux laptop to do improvement on. This publication will take you thru the stairs to put in Rails and its dependencies. in the event you should not acquainted with the Ruby programming language, this publication encompasses a bankruptcy that covers the fundamentals essential to comprehend the cloth within the book.

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Extra resources for Agile Web Development with Rails 5

Example text

We’ll explain this later in detail, but for now look at the Path Match input field. If you enter a partial URL in there, you can see a report erratum • discuss Chapter 2. Instant Gratification • 36 list of routes that match. That’s not needed right now, as we have only two routes, but can be helpful later when we have many. At this point, we’ve completed our toy application and in the process verified that our installation of Rails is functioning properly and provides helpful information when things go wrong.

Now %> ➤

When we refresh our browser window, we see the time displayed using Ruby’s standard format, as shown in the following screenshot. Notice that the time displayed updates each time the browser window is refreshed. It looks as if we’re really generating dynamic content. Making Development Easier You might have noticed something about the development we’ve been doing so far. As we’ve been adding code to our application, we haven’t had to restart the running application. It’s been happily chugging away in the background.

This is great for development. However, this flexibility comes at a cost: it causes a short pause after you enter a URL before the application responds. That’s caused by the dispatcher reloading stuff. For development it’s a price worth paying, but in production it would be unacceptable. For this reason, this feature is disabled for production deployment. See Chapter 16, Task K: Deployment and Production, on page 243. report erratum • discuss Hello, Rails! • 29 Adding the Time Our original problem was to display the time to users of our application.

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