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Contents
Ruby For Beginners
Preface
Programming is creation
Learning to program
Learning modes
Don’t believe everything we say
Formatting your code
Reading error messages
Using Google
Your tools
Text Editor
Terminal
Ruby runtime
Programming workflow
Interactive Ruby
Our Roadmap
Object-oriented programming
Variables
Reusing variable names
Things on the right go first
Built-In Data Types
Numbers
Strings
True, False, and Nil
Symbols
Arrays
Hashes
Objects, Classes, Methods
Objects have classes
Classes create objects
Objects have methods
Calling methods
Passing arguments
Listing methods
Predicate methods
Bang Methods
Writing Methods
What makes a method
Defining a method
Using (calling) a method
Return values
Scopes
Combining Methods
Printing things
Writing classes
Defining classes
Defining instance methods
Initializing objects
Instance variables
Attribute readers
Attribute writers
State and behaviour
Interacting Objects
Object Scope and Self
Blocks
Alternative block syntaxes
Block arguments
Block return values
Inversion of control
Iterators
Conditionals
Nothingness and the truth
Operators
Arithmetical operators
Logical operators
Comparison operators
Operators are methods
Bonus Chapters
String interpolation
Top-level object
Lots of other methods
Questions and commands
Alternative Syntax
Using the right words
Arguments and parentheses
Terminology: Arguments vs Parameters
Writing a new method
Advanced Topics
Using Libraries (1)
Modules
Private methods
Procs
Yield
Regular Expressions
Exercises (old)
Working with Numbers
Working with Strings
Working with Arrays (1)
Working with Hashes (1)
Defining methods
Working with Arrays (2)
Working with Nested Arrays
Working with Hashes (2)
Truthiness
The Email Class
The Mailbox Class
The Mailbox Text Formatter
The Mailbox Html Formatter
Storing our HTML to a File
Reading from a CSV File
Exercises
Working with Numbers
Working with Strings
Working with Arrays (1)
Working with Hashes (1)
Yield
TBD
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