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2

Learn Ruby on Rails: Book One

Version 4.0.0, 25 November 2016

Daniel Kehoe

1 Free Offer and More

Get Book Two

Get the Videos

The Online and Ebook Versions

2 Introduction

Is It for You?

What To Expect

What"s in Book One

What"s in Book Two

A Warning About Links

What Comes Next

Versions

Staying In Touch

A Note to Reviewers and Teachers

Using the Book in the Classroom

Let"s Get Started

8 iii ivCONTENTS

3 Concepts

How the Web Works

Programming Languages

Ruby and JavaScript

JavaScript and JQuery

JQuery

Full-Stack JavaScript

Front and Back Ends

Rails 5

JavaScript Frameworks

AngularJS and Ember.js

20 React 21

4 What is Rails?

Rails as a Community

Six Perspectives on Rails

Web Browser Perspective

Programmer Perspective

Software Architect Perspective

Gem Hunter Perspective

Time Traveler Perspective

Tester Perspective

Understanding Stacks

Full Stack

CONTENTSv

Rails Stacks

5 Why Rails?

Why Ruby?

Why Rails?

Rails Guiding Principles

Rails is Opinionated

Rails is Omakase

Convention Over Configuration

Don"t Repeat Yourself

Where Rails Gets Complicated

When Rails has No Opinion

Omakase But Substitutions Are Allowed

Conventions or Magic?

DRY to Obscurity

6 Rails Challenges

A List of Challenges

It is difficult to install Ruby.

Rails is a nightmare on Windows.

Why do I have to learn Git? It is difficult.

Why worry about versions?

Do I really need to learn about testing?

Rails error reporting is cryptic.

There is too much magic.

44
viCONTENTS

It is difficult to grasp MVC and REST.

Rails contains lots of things I don"t understand.

There is too much to learn.

It is difficult to find up-to-date advice.

It is difficult to know what gems to use.

Rails changes too often.

47
It is difficult to transition from tutorials to building real appli- cations. 47

I"m not sure where the code goes.

People like me don"t go into programming.

7 Get Help When You Need It

Getting Help With Rails

References

RailsGuides

Cheatsheets

API Documentation

Meetups, Hack Nights, and Workshops

Pair Programming

Pairing With a Mentor

Code Review

Staying Up-to-Date

8 Plan Your Product

Product Owner

CONTENTSvii

User Stories

Wireframes and Mockups

Graphic Design

Software Development Process

Behavior-Driven Development

9 Manage Your Project

To-Do List

Kanban

Agile Methodologies

10 Mac, Linux, or Windows

Your Computer

Hosted Computing

Installing Ruby

70
MacOS 71

Ubuntu Linux