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
Ruby Language Arrays
Syntax
- a = [] # using array literal
- a = Array.new # equivalent to using literal
- a = Array.new(5) # create an array with 5 elements with value of nil.
- a = Array.new(5, 0) # create an array with 5 elements with default value of 0.
Arrays Related Examples
- #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
