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Ruby Essentials

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#* [[Getting and Installing Ruby|Ruby on Red Hat Enterprise and Fedora Linux]]

#* [[Getting and Installing Ruby|Ruby on Ubuntu and Debian Linux]]

#* [[Getting and Installing Ruby|Ruby on Microsoft Windows]]

# [[Simple Ruby Examples]]

#* [[Simple Ruby Examples|The Most Basic Ruby Example]]

#* [[Simple Ruby Examples|Executing Ruby from a File]]

#* [[Simple Ruby Examples|Creating a Self Contained Ruby Executable on Linux or UNIX]]

#* [[Simple Ruby Examples|Associating Ruby Files on Windows]]

# [[Commenting Ruby Code]]

#* [[Commenting Ruby Code|What is Exactly is Commenting]]

#* [[Commenting Ruby Code|Single Line Ruby Comments]]

#* [[Commenting Ruby Code|Comments on Lines of Code]]

#* [[Commenting Ruby Code|Multi Line or Block Ruby Comments]]

# [[Understanding Ruby Variables]]

#* [[Understanding Ruby Variables|Ruby Constants]]

#* [[Understanding Ruby Variables|Identifying a Ruby Variable Type]]

#* [[Understanding Ruby Variables|Changing Variable Type]]

#* [[Understanding Ruby Variables|Converting Variable Values]]

# [[Ruby Variable Scope]]

#* [[Ruby Variable Scope|What is Variable Scope?]]

#* [[Ruby Variable Scope|Ruby Class Variables]]

#* [[Ruby Variable Scope|Ruby Instance Variables]]

#* [[Ruby Variable Scope|Ruby Constant Scope]]

# [[Ruby Number Classes and Conversions]]

#* [[Ruby Number Classes and Conversions|Ruby Number Classes]]

#* [[Ruby Number Classes and Conversions|Converting Numbers in Ruby]]

# [[Ruby Ranges]]

#* [[Ruby Ranges|Ruby Sequence Ranges]]

#* [[Ruby Ranges|Ruby Ranges as Conditional Expressions]]

#* [[Ruby Ranges|Ruby Range Intervals]]

#* [[Ruby Ranges|Ranges in case Statements]]

# [[Understanding Ruby Arrays]]

#* [[Understanding Ruby Arrays|What is a Ruby Array]]

#* [[Understanding Ruby Arrays|Finding Out Information About a Ruby Array]]

#* [[Understanding Ruby Arrays|Accessing Array Elements]]

#* [[Understanding Ruby Arrays|Finding the Index of an Element]]

# [[Advanced Ruby Arrays]]

#* [[Advanced Ruby Arrays|Combining Ruby Arrays]]

#* [[Advanced Ruby Arrays|Modifying Arrays]]

#* [[Advanced Ruby Arrays|Deleting Array Elements]]

#* [[Advanced Ruby Arrays|Sorting Arrays]]

# [[Ruby Operators]]

#* [[Ruby Operators|The Anatomy of a Ruby Operation]]

#* [[Ruby Operators|Parallel Assignment]]

#* [[Ruby Operators|Ruby Comparison Operators]]

#* [[Ruby Operators|Ruby Bitwise Operators]]

# [[Ruby Operator Precedence]]

#* [[Ruby Operator Precedence|An Example of Ruby Operator Precedence]] # [[Ruby Math Functions and Methods]] # [[Understanding Ruby Logical Operators]] # [[Ruby Object Oriented Programming]]

#* [[Ruby Object Oriented Programming|What is an Object?]]

#* [[Ruby Object Oriented Programming|What is a Class?]]

#* [[Ruby Object Oriented Programming|Ruby Class Variables]]

#* [[Ruby Object Oriented Programming|Instance Methods]]

#* [[Ruby Object Oriented Programming|Ruby Class Inheritance]]

# [[Ruby Flow Control]]

#* [[Ruby Flow Control|The Ruby if Statement]]

#* [[Ruby Flow Control|Using else and elsif Constructs]]

#* [[Ruby Flow Control|The Ruby Ternary Operator]]

# [[The Ruby case Statement]]

#* [[The Ruby case Statement|Number Ranges and the case statement]]

# [[Ruby While and Until Loops]]

#* [[Ruby While and Until Loops|The Ruby While Loop]]

#* [[Ruby While and Until Loops|Breaking from While Loops]]

#* [[Ruby While and Until Loops|unless and until]]

# [[Looping with for and the Ruby Looping Methods]]

#* [[Looping with for and the Ruby Looping Methods|The Ruby for Loop]]

#* [[Looping with for and the Ruby Looping Methods|The Ruby times Method]]

#* [[Looping with for and the Ruby Looping Methods|The Ruby upto Method]]

#* [[Looping with for and the Ruby Looping Methods|The Ruby downto Method]]

# [[Ruby Strings - Creation and Basics]]

#* [[Ruby Strings - Creation and Basics|Creating Strings in Ruby]]

#* [[Ruby Strings - Creation and Basics|General Delimited Strings]]

#* [[Ruby Strings - Creation and Basics|Ruby Here Documents]]

#* [[Ruby Strings - Creation and Basics|Getting Information About String Objects]]

# [[Ruby String Concatenation and Comparison]]

#* [[Ruby String Concatenation and Comparison|Concatenating Strings in Ruby]]

#* [[Ruby String Concatenation and Comparison|Accessing String Elements]]

#* [[Ruby String Concatenation and Comparison|Comparing Ruby Strings]]

#* [[Ruby String Concatenation and Comparison|Case Insensitive String Comparisons]]

# [[Ruby String Replacement, Substitution and Insertion]]

#* [[Ruby String Replacement, Substitution and Insertion|Changing a Section of a String]]

#* [[Ruby String Replacement, Substitution and Insertion|Inserting Text Into a Ruby String]]

#* [[Ruby String Replacement, Substitution and Insertion|Ruby chomp and chop Methods]]

#* [[Ruby String Replacement, Substitution and Insertion|Reversing the Characters in a String]]

# [[Ruby String Conversions]]

#* [[Ruby String Conversion|Converting a Ruby String to an Array]]

#* [[Ruby String Conversion|Changing the Case of a Ruby String]]

#* [[Ruby String Conversion|Performing String Conversions]]

# [[Ruby File and Directory Handling]]

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Ruby Essentials

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