Numbers in Ruby: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial Let's play with Numbers. In Ruby, numbers without decimal points are called integers, and numbers with decimal points are usually called floating-point numbers or, more simply, floats (you must place at least one digit before the decimal point). An integer literal is simply a sequence of digits eg. 0, 123, 123456789. Underscores may be inserted into integer literals (though not at the beginning or end), and this feature is sometimes used as a thousands separator eg. 1_000_000_000. Install Rails 4.1 · Ruby on Rails Installation Guide by Daniel Kehoe Last updated 17 December 2015 Install Ruby on Rails 4.2 on Mac OS X, Ubuntu, or Windows. Up-to-date, detailed instructions on how to install the Rails newest release. How to install Rails 4.2, the newest version of Rails.
Learn Web Development with the Ruby on Rails Tutorial Michael Hartl Contents Foreword Ruby on Rails 3.1 Release Notes 1 Upgrading to Rails 3.1 If you're upgrading an existing application, it's a great idea to have good test coverage before going in. You should also first upgrade to Rails 3 in case you haven't and make sure your application still runs as expected before attempting to update to Rails 3.1. Then take heed of the following changes: 1.1 Rails 3.1 requires at least Ruby 1.8.7 Rails 3.1 requires Ruby 1.8.7 or higher.
Learn Ruby The Hard Way This exercise has no code. It is simply the exercise you complete to get your computer to run Ruby. You should follow these instructions as exactly as possible. For example, Mac OS X computers already have Ruby 2, so do not install Ruby 3 (or any Ruby). A major part of this book is learning to research programming topics online. How and Where to Learn Ruby by EmailShare 115EmailShare In an online chat session between Yukihiro Matsumoto and Keiju Ishitsuka in early 1993, a discussion ensued about the name of a programming language that Matsumoto was going to write.
Agile Web Development with Rails About this Book 456 pages Published: Release: P2.0 (2014-03-31) ISBN: 978-1-93778-556-7 Ruby on Rails helps you produce high-quality, beautiful-looking web applications quickly. Ruby Basic Tutorial Troubleshooters.Com, Code Corner and Ruby Revival Present Ruby Basic Tutorial Copyright (C) 2005 by Steve Litt Note: All materials in Ruby Revival are provided AS IS. By reading the materials in Ruby Revival you are agreeing to assume all risks involved in the use of the materials, and you are agreeing to absolve the authors, owners, and anyone else involved with Python Patrol of any responsibility for the outcome of any use of these materials, even in the case of errors and/or omissions in the materials. If you do not agree to this, you must not read these materials.