Ruby

Ruby Thread

• Is Ruby Single Threaded

Ruby Blank

• nil, empty and blank in Ruby

Ruby Console

• How to Execute Ruby Files and Commands in Console

Ruby Keyword

• each and collect Keywords in Ruby
• yield in Ruby
• The not Keyword in Ruby
• The do Keyword in Ruby

Ruby Fetch

• How to Get Hash Value in Ruby using the fetch() Method

Ruby String

• Literal for Double-Quoted Strings in Ruby
• How to Combine Array to String in Ruby
• How to Get Substring in Ruby
• Difference Between puts and print in Ruby
• How to Compare Strings in Ruby
• How to Capitalize String in Ruby
• How to Trim a String Without Creating a New String in Ruby
• How to Convert a String to Lowercase or Uppercase in Ruby
• How to Write Multi-Line String in Ruby
• How to Concatenate Strings in Ruby
• How to Check Whether a String Contains a Substring in Ruby
• How to Convert Array to String in Ruby

Ruby Index

• How to Find Array Index in Ruby

Ruby Super

• super in Ruby

Ruby Class

• extend in Ruby
• Difference Between Class and Class Instance Variables in Ruby
• Understanding Class << Self in Ruby

Ruby Symbol

• Ruby to_sym Function

Ruby Delimiter

• String Delimiters %q in Ruby

Ruby Array

• %i and %I in Ruby
• How to Combine Array to String in Ruby
• How to Square Array Element in Ruby
• How to Merge Arrays in Ruby
• How to Convert Array to Hash in Ruby
• How to Remove Duplicates From a Ruby Array
• Difference Between Each_with_index and each.with_index in Ruby
• How to Filter an Array in Ruby
• How to Get Maximum and Minimum Number in a Ruby Array
• The continue Keyword in Ruby
• How to Remove an Array Element in Ruby
• The %w Syntax Mean in Ruby
• How to Sum an Array of Numbers in Ruby
• How to Find a Value in a Ruby Array
• How to Map an Array With Index in Ruby
• How to Check if Value Exists in Array in Ruby
• How to Iterate Through a Ruby Array
• How to Convert Array to String in Ruby

Ruby Call

• call() and send() in Ruby

Ruby Shift

• Array.shift() in Ruby

Ruby Hash

• How to Merge Ruby Hashes
• How to Add an Item to a Ruby Hash

Ruby Merge

• How to Merge Ruby Hashes

Ruby CSV

• How to Output Array to CSV in Ruby

Ruby Parameter

• Named Parameters in Ruby

Ruby Random

• How to Generate Random Number in Ruby

Ruby Rename

• How to Rename a File in Ruby

Ruby Replace

• How to Replace Strings in Ruby

Ruby Newline

• New Line in Ruby

Ruby Operator

• Not Equal Operator in Ruby
• Double Colon :: Operator in Ruby
• The or Operator in Ruby
• How to Combined Comparison Operator <=> in Ruby
• The Binary Left Shift Operator in Ruby
• Meaning of Ruby Question Mark ?
• Difference Between OR and Double Pipe Operator in Ruby

Ruby Rescue

• Why Is It Bad to Rescue Exception in Ruby

Ruby Number

• 1e18 in Ruby

Ruby File

• How to Create a File in Ruby
• How to Delete File in Ruby
• How to Read Files in Ruby
• How to Check if a File Exists in Ruby
• How to List File in Folder in Ruby
• How to Read Lines of a Files in Ruby
• How to Write to a File in Ruby

Ruby Update

• How to Update Ruby With Homebrew

Ruby Convert

• How to Convert String to Integer in Ruby

Ruby Version

• How to Change Ruby Version on Mac
• How to Update Ruby Version in macOS

Ruby Fibonacci

• Fibonacci Sequence in Ruby

Ruby YAML

• YAML in Ruby

Ruby Assertion

• Assertions in Ruby

Ruby Method

• How to Use the Freeze Method in Ruby
• Difference Between require and require_relative in Ruby
• How to Fix Undefined Method in Ruby
• How to Generate Random Number in Ruby
• The send Method in Ruby
• How to Convert a String to Lowercase or Uppercase in Ruby
• How to Use the call() Method in Ruby

Ruby Time

• How to Get Current Time in UTC in Ruby

Ruby Variable

• Ruby Class Variables
• Attr Accessor in Ruby

Ruby Shell

• How to Execute Shell Commands in Ruby

Ruby Exception

• How to Handle Exceptions Using Begin and Rescue in Ruby
• try...catch in Ruby

Ruby Safe Navigation

• How to Use Safe Navigation in Ruby

Ruby Inject

• How to Use the inject Method in Ruby

Ruby Inheritance

• How to Get Object Type using kind_of, instance_of, and is_a In Ruby

Ruby Gem

• How to Install a Specific Verson for a Gem in Ruby

Ruby XML

• How to Parse XML With Ruby

Ruby Accessor

• The Attr_accessor, Attr_reader, and Attr_writer in Ruby

Ruby Enum

• Enum in Ruby

Ruby Gems

• How to Update Ruby Gems

Ruby Pattern Matching

• How to Use Pattern Matching Operator in Ruby

Ruby Attr Accessor

• Attr Accessor in Ruby

Ruby Methods

• How to Determine Object Type in Ruby
• require vs include in Ruby

Ruby Object

• How to Determine Object Type in Ruby

Ruby Condition

• How to Write One Line if Statement in Ruby

Ruby Operators

• How to Write One Line if Statement in Ruby

Ruby Boolean

• Conditional Assignment in Ruby
• Ruby && vs and

Ruby JSON

• How to Parse a JSON String in Ruby

Ruby Switch Statement

• How to Write a Switch Statement in Ruby

Ruby Map

• The map Method in Ruby
• How to Map an Array With Index in Ruby

Ruby CLI

• How to Accept User Input With Gets in Ruby

Ruby Input

• How to Accept User Input With Gets in Ruby

Ruby Loop

• for vs each in Ruby

Ruby Comment

• How to Create Multi-Line Comment in Ruby