[PDF] [PDF] learn-rails-1 - Learn Ruby on Rails

Pragmatic Studio Ruby On Rails Programming

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[PDF] learn-rails-1 - Learn Ruby on Rails

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2

Learn Ruby on Rails: Book One

Version 4.0.0, 25 November 2016

Daniel Kehoe

ii

Contents

1 Free Offer and More

1

Get Book Two

1

Get the Videos

1

The Online and Ebook Versions

2

2 Introduction

3

Is It for You?

4

What To Expect

4

What"s in Book One

5

What"s in Book Two

6

A Warning About Links

6

What Comes Next

6

Versions

7

Staying In Touch

7

A Note to Reviewers and Teachers

7

Using the Book in the Classroom

8

Let"s Get Started

8 iii ivCONTENTS

3 Concepts

11

How the Web Works

11

Programming Languages

15

Ruby and JavaScript

15

JavaScript and JQuery

16

JQuery

16

Full-Stack JavaScript

17

Front and Back Ends

18

Rails 5

19

JavaScript Frameworks

20

AngularJS and Ember.js

20 React 21

4 What is Rails?

23

Rails as a Community

24

Six Perspectives on Rails

24

Web Browser Perspective

25

Programmer Perspective

25

Software Architect Perspective

25

Gem Hunter Perspective

26

Time Traveler Perspective

27

Tester Perspective

27

Understanding Stacks

28

Full Stack

28

CONTENTSv

Rails Stacks

30

5 Why Rails?

33

Why Ruby?

33

Why Rails?

35

Rails Guiding Principles

36

Rails is Opinionated

36

Rails is Omakase

37

Convention Over Configuration

37

Don"t Repeat Yourself

38

Where Rails Gets Complicated

39

When Rails has No Opinion

39

Omakase But Substitutions Are Allowed

39

Conventions or Magic?

40

DRY to Obscurity

40

6 Rails Challenges

41

A List of Challenges

42

It is difficult to install Ruby.

42

Rails is a nightmare on Windows.

42

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

43

Why worry about versions?

43

Do I really need to learn about testing?

43

Rails error reporting is cryptic.

44

There is too much magic.

44
viCONTENTS

It is difficult to grasp MVC and REST.

44

Rails contains lots of things I don"t understand.

45

There is too much to learn.

45

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

46

It is difficult to know what gems to use.

46

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.

47

People like me don"t go into programming.

48

7 Get Help When You Need It

49

Getting Help With Rails

49

References

50

RailsGuides

50

Cheatsheets

51

API Documentation

51

Meetups, Hack Nights, and Workshops

51

Pair Programming

52

Pairing With a Mentor

53

Code Review

54

Staying Up-to-Date

54

8 Plan Your Product

57

Product Owner

57

CONTENTSvii

User Stories

58

Wireframes and Mockups

59

Graphic Design

60

Software Development Process

61

Behavior-Driven Development

63

9 Manage Your Project

67

To-Do List

67

Kanban

68

Agile Methodologies

68

10 Mac, Linux, or Windows

69

Your Computer

69

Hosted Computing

70

Installing Ruby

70
MacOS 71

Ubuntu Linux

71

Hosted Computing

71

Windows

72

11 Terminal Unix

73

The Terminal

74

Unix Commands Explained

75

Getting Fancy With the Prompt

76

Learning Unix Commands

76
viiiCONTENTS

Exit Gracefully

77

Structure of Unix Commands

78

Prompt

78

Command

79

Option

79

Argument

81

Quick Guide to Unix Commands

81
cd 82
pwd 83
ls 83

Hidden Files and Folders

84
Dots 86
open 87
mkdir 87
touch 88
mv 89
cp 90
rm 91

Removing a Folder

92

The Mouse and the Command Line

93

Arrow Keys

94

Tab Completion

94

Why Abbreviations?

94

CONTENTSix

12 Text Editor

97

You Don"t Need an IDE

97

Which Text Editor

98

Install Atom

98

Other Choices

99

How To Use a Text Editor

99

Editor Shell Command

99

13 Learn Ruby

101

Ruby Language Literacy

102

Resources for Learning Ruby

103

Collaborative Learning

103

Online Tutorials

104
Books 104

Newsletters

105

Screencasts

105

14 Crossing the Chasm

107

Facing the Gap

107

Bridging the Gap With a Strategy

109

Bridging the Gap With Social Practice

111

Making an Effort

111

Conversation Starters

112

Pay It Forward

112

Finding a Mentor

113
xCONTENTS

Creating Mentorship Moments

114

Online

114

GitHub

115

Meetups

115

Workshops and Classes

116

On the Job

117
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