Learn to Code with Ruby [Video]
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Free ChapterIntroduction and Installation
- Welcome to Ruby
- Object-Oriented Programming
- macOS - Access and Work with the Terminal
- macOS - Install XCode Command Line Tools
- macOS - Install Homebrew
- macOS - Install rbenv
- macOS - Install Ruby
- macOS - Install VSCode Text Editor
- Windows - Access and Work with PowerShell
- Windows - Figure Out if System is 32-bit or 64-bit
- Windows - Install Ruby
- Windows - Install VSCode Text Editor
- Install VSCode Extensions
- Write First Ruby File and Run with Code Runner
- Write First Ruby File and Run with Terminal or PowerShell
- Interactive Ruby (IRB)
- Section Review [SLIDES]
-
Getting Started
-
Variables
-
Object Methods
-
Booleans and Predicate Methods
-
Methods
-
Blocks
-
Conditionals
- The if Statement
- Predicate Methods in if Statements
- Truthiness and Falsiness
- if and elsif
- if and else
- Multiple Conditions with And Operator (&&)
- Multiple Conditions with Or Operator (||)
- Parentheses Precedence
- Nested if Statements
- Ternary Operator
- Call A Method from Another Method
- The case Statement
- The unless Keyword
- Statement Modifiers
- Conditional Assignment Operator
- Section Review [SLIDES]
-
Strings I
- Single Quotes vs Double Quotes
- Multiline Strings
- String Comparisons
- String Concatenation Options
- The length and size Methods
- Intro to Index Positions
- Extract Multiple Characters from a String
- Overwrite Characters in String
- The insert Method
- The empty? and nil? Methods
- Case Methods
- The reverse Method
- Bang Methods on Strings
- Section Review [SLIDES]
-
Loops
-
Debugging
-
Arrays I: Creation and Access
- Introduction to Arrays
- Nested Arrays
- Shorthand %w Syntax to Create An Array of Strings
- Access and Overwrite Array Element by Index Position
- Access Single Array Element with the fetch Method
- Access and Overwrite Multiple Array Elements with Bracket Syntax
- Access Multiple Array Elements with the values_at Method
- The first and last Methods
- The length, size, and count Methods
- The empty? and nil? Methods
- Equality and Inequality Operators with Arrays
- The Spaceship Operator
- The push Method and Shovel Operator
- The insert Method
- The pop Method
- The shift and unshift Methods
- Section Review [SLIDES]
-
Ranges
-
Arrays II: Iteration and Various Methods
- The each Method
- Filtering with the each Method
- each within each
- The for Loop
- The each_with_index Method
- Iteration over Array with while or until Loops
- The map and collect Methods
- The select and reject Methods
- The partition Method
- The any? and all? Methods
- The find and detect Mthods
- The index and find_index Methods
- The include? Method
- The max and min Methods
- Unlimited Method Arguments/Splat Argument
- Section Review [SLIDES]
-
Strings II
-
Object References and Copies
-
Hashes I
- Intro to Hashes
- Populate Hash and Extract Values from Keys
- Intro to Symbols
- Symbols as Hash Keys
- Ruby 3.1 Shorthand Hash Syntax
- Add a New Key-Value Pair to Hash
- Iterating over a Hash
- Check for Inclusion in a Hash
- The select and reject Methods on a Hash
- Convert Hash to Array and Vice Versa
- The delete Method
- The merge Method
- Create Hash with Default Value (Hash.new)
- Reference Problems with Hash.new
- Section Review [SLIDES]
-
Arrays III: Bonus Methods
- The reverse Method
- The sort Method
- The uniq Method
- The compact Method
- The inject and reduce Methods
- The flatten Method
- The sample Method
- Multiply an Array with an Asterisk
- Merge Arrays and Exclude Duplicates
- Remove Array Items that Exist in Another Array
- Array Intersection with the Ampersand Symbol
- Section Review [SLIDES]
-
Blocks, Procs, and Lambdas
-
Classes I: The Basics
- Intro to Classes
- Create a Class
- The new Method on Ruby's Native Objects
- Instance Variables and the initialize Method
- Instance Methods
- Override the to_s Method
- The self Keyword
- Omitting the self Keyword
- Getter Methods (Read Methods)
- Setter Methods (Write Methods)
- The attr_reader and attr_writer Methods
- The attr_accessor Method
- Add Parameters to initialize Method
- Section Review [SLIDES]
-
Classes II
-
Keyword Arguments
-
Classes III: Inheritance
- Intro to Inheritance [SLIDES]
- Create Subclasses
- The superclass and ancestors Class Methods
- Check Inheritance Hierarchy of our Subclasses
- The is_a? and instance_of? Methods
- The methods Method
- Exclusive Instance Methods in Subclasses
- Override Methods in a Subclass
- The super Keyword I
- The super Keyword II
- Defining Equality
- Duck Typing
- Section Review [SLIDES]
-
Input and Output
-
Modules and Mixins
- Intro to Modules
- Modules with Identical Methods
- Import Modules into the Current File
- The Math Module
- The uri and net/http Modules
- The Enumerable Mixin
- The Comparable Mixin
- Mixing in Our Own Module
- The ancestors Method in Depth
- The prepend Keyword
- The extend Keyword
- Mixing in Multiple Modules
- Multiple Declarations for the Same Module
- Modules within Modules
- Section Review [SLIDES]
-
Sets
-
Datetimes
-
Regular Expressions
-
Exceptions
-
Testing with Minitest
-
Reading and Writing Documentation
-
Gems
-
Conclusion
About this
video
“Learn to Code with Ruby" is a meticulously crafted educational experience, designed to take you from beginner to proficient in the world of programming. Your learning adventure begins with the basics of installation and configuration on various operating systems, followed by an exploration of Ruby’s object-oriented principles.
As you progress, you'll delve into the core of programming with hands-on sessions on variables, data types, and control structures. Our approach is to build your skills progressively, ensuring that each concept is understood profoundly before moving to the next. The course is designed to simulate a real-world coding environment, with practical exercises that encourage problem-solving and critical thinking.
Beyond the syntax and semantics, we emphasize why programming is a critical skill in today's technology-driven landscape. Ruby not only opens doors to software development but also lays a strong foundation for web development with Ruby on Rails. As you move through the course, you'll experience the satisfaction of creating functional code that evolves with complexity. By the end of your journey, you’ll be well-equipped with the knowledge and skills to tackle real-world programming challenges with confidence and creativity. Please refer to the GH repository for all course files and codes.
- Publication date:
- November 2017
- Publisher
- Packt
- Duration
- 37 hours 51 minutes
- ISBN
- 9781788834063
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(2 reviews total)