Ruby Language

• Getting started with Ruby Language
• Arrays
• 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
• Require files to be loaded only once
• Automatically loading source files
• Loading files repeatedly
• Loading optional files
• Loading several 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