By Sam Ruby
Rails five and Ruby 2.2 carry many advancements, together with new APIs and immense functionality improvements, and the 5th version of this award-winning vintage is now up to date! in case you are new to Rails, you will get step by step suggestions. in case you are an skilled developer, this publication offers you the excellent, insider details you would like for the newest model of Ruby on Rails.
Ruby on Rails is helping you produce top quality, beautiful-looking internet purposes speedy. you think about developing the applying, and Rails looks after the main points. examine Rails the best way the Rails middle crew recommends it, besides the tens of millions of builders who've used this extensive, 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 beneficial properties. keep on with besides a longer instructional as you write a web based shop program. put off tedious configuration and housework; internationalize your functions; include Ajax, relaxation, net providers, and e mail dealing with into your functions; try your functions as you write them utilizing the integrated trying out frameworks; and set up your purposes simply and securely. New during this variation 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 publication was once there from the beginning, and did not simply evolve along Rails, it developed with Rails. it's been constructed in session with the Rails middle workforce. actually, Rails itself is confirmed 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 ebook will take you thru the stairs to put in Rails and its dependencies. in the event you usually are not acquainted with the Ruby programming language, this booklet features a bankruptcy that covers the fundamentals essential to comprehend the cloth within the book.
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Extra info for Agile Web Development with Rails 5
Let’s start with the controller. report erratum • discuss Hello, Rails! • 25 In the same way that we used the rails command to create a new Rails application, we can also use a generator script to create a new controller for our project. This command is rails generate. scss The rails generate command logs the files and directories it examines, noting when it adds new Ruby scripts or directories to our application. erb files. The first source file we’ll be looking at is the controller. rb file. rb class SayController < ApplicationController ➤ def hello ➤ end def goodbye end end Pretty minimal, eh?
Run this command: $ sudo apt-get install apache2 curl git libmysqlclient-dev mysql-server nodejs You’re prompted for a root password for your MySQL server. If you leave it blank, you’ll be prompted multiple times. If you specify a password, you need to use that password when you create a database in Iteration K1 on page 250. 1 --no-ri --no-rdoc If this works for you, you’re done with the necessary installation steps and can proceed to Choosing a Rails Version, on page 14. Many people prefer instead to have a separate installation of Ruby on their machine dedicated to support their application, and therefore they choose to download and build Ruby.
The Story So Far Let’s briefly review how our current application works. 1. The user navigates to our application. In our case, we do that using a local URL such as http://localhost:3000/say/hello. 2. Rails then matches the route pattern, which it previously split into two parts and analyzed. rb). 3. The next part of the pattern, hello, identifies an action. Rails invokes a method of that name in the controller. This action method creates a new Time object holding the current time and tucks it away in the @time instance variable.
Agile Web Development with Rails 5 by Sam Ruby