Ruby Language

• Getting started with Ruby Language
• Awesome Book
• Awesome Community
• Awesome Course
• Awesome Tutorial
• Awesome YouTube
• Arrays
• #map
• Accessing elements
• Arrays and the splat (*) operator
• Arrays union, intersection and difference
• Cast to Array from any object
• Create an Array of consecutive numbers or letters
• Create Array of numbers
• Create Array of Strings
• Create Array of Symbols
• Create Array with Array::new
• Creating an Array with the literal constructor [ ]
• Decomposition
• Filtering arrays
• Get all combinations / permutations of an array
• Get unique array elements
• Inject, reduce
• Manipulating Array Elements
• Remove all nil elements from an array with #compact
• Turn multi-dimensional array into a one-dimensional (flattened) array
• Two-dimensional array
• Blocks and Procs and Lambdas
• C Extensions
• Casting (type conversion)
• Catching Exceptions with Begin / Rescue
• Classes
• Command Line Apps
• Comments
• Comparable
• Constants
• Control Flow
• DateTime
• Debugging
• Design Patterns and Idioms in Ruby
• Destructuring
• Dynamic Evaluation
• Enumerable in Ruby
• Enumerators
• Environment Variables
• ERB
• Exceptions
• File and I/O Operations
• Gem Creation/Management
• Gem Usage
• Generate a random number
• Getting started with Hanami
• Hashes
• Implicit Receivers and Understanding Self
• Inheritance
• Installation
• instance_eval
• Introspection
• Introspection in Ruby
• IRB
• Iteration
• JSON with Ruby
• Keyword Arguments
• Loading Source Files
• Message Passing
• Metaprogramming
• method_missing
• Methods
• Modules
• Monkey Patching in Ruby
• Monkey Patching in Ruby
• Monkey Patching in Ruby
• Multidimensional Arrays
• Numbers
• Operating System or Shell commands
• Operators
• Operators
• OptionParser
• Pure RSpec JSON API testing
• Queue
• Range
• rbenv
• Recursion in Ruby
• Refinements
• Regular Expressions and Regex Based Operations
• Ruby Access Modifiers
• Ruby Version Manager
• Singleton Class
• Special Constants in Ruby
• Splat operator (*)
• Strings
• Struct
• Symbols
• Thread
• Time
• Truthiness
• Variable Scope and Visibility