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Udemy Free Coupon | Course: "Learn to Code with Ruby"-Ref.:Udemy.com, Ruby Programming, Ruby, Programming, Development, OOP, Ruby Programming Language, Programming Language



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"Learn to Code with Ruby"








" A comprehensive introduction to coding with the Ruby programming language. Complete beginners welcome! What Will I Learn? Code in the Ruby programming language Utilize common objects like Strings, Arrays, Hashes, and more Solve popular coding challenges with Ruby Curriculum For This Course Lectures Introduction and Installation Introduction to Ruby Install Ruby 2.3.3 Mac OS Access and Work with the Terminal Mac OS Install RVM and Install Ruby Mac OS Install Atom Text Editor and Atom Runner and Custom Theme Mac OS Write First Ruby File and Run with Atom Runner Mac OS Run Ruby File from Terminal Windows Download and Install Ruby Windows Install Atom Text Editor and Atom Runner and Custom Theme Windows Write First Ruby File and Run with Atom Runner Windows Run Ruby File from Command Prompt Interactive Ruby (IRB) Getting Started The puts Method The print Method The p Method Basic Arithmetic in Ruby Output and Arithmetic questions Comments Variables Parallel Variable Assignment and Swapping Variable Values Constants Intro to Object Methods Return Values and the nil Object String Interpolation The gets Method and the chomp Method Variables, Constants, Object Methods, Return Values, String Interpolation questions Numbers and Booleans Intro to Numbers and the .class Method Convert Numbers to Strings and Vice Versa Intro to Booleans The .odd? and .even? Predicate Methods Comparison with the Equality (==) Operator Comparison with the Inequality (!=) Operator Boolean Values, Predicate Methods, Equality and Inequality questions Less than and Greater than Operators Arithmetic Methods and Basic Arguments Intro to Object Methods with Parameters (The .between? Predicate Method) Float Methods Assignment Operators Introduction to Blocks with the .times Method The .upto and .downto Methods BONUS The .step Method Object Methods, Parameters and Arguments, Float Methods, and Blocks questions Strings I Create a String Multiline Strings Escape Characters Single Quotes vs Double Quotes Equality and Inequality Operators with Strings Concatenate Strings The .length and .size Methods Extract Single Characters from String with Bracket Syntax Extract Multiple Characters from String with Bracket Syntax Extract Multiple Characters with Range Objects Overwrite Characters in String with Bracket Syntax Case Methods The .reverse Method on a String Bang Methods on Strings The .include? Method on a String The .empty? and .nil? Methods on a String Common String Methods questions Methods and Conditionals I Intro to Methods Local Variables Parameters and Arguments Return Values I Return Values II Default Return Values and the Return of the puts Method The if Statement Truthiness and Falsiness if elsif The else Keyword Multiple Conditions with && Operator Multiple Conditions with || Operator Truthiness and Falsiness questions Parentheses and Precedence Nested if Statements The .respond_to? Method Ternary Operator Default or Optional Parameters Call A Method from Another Method or Interpolated String Methods and Conditionals II The case Statement Negation with ! The unless Keyword The while Keyword The until Keyword CHALLENGE FizzBuzz Statement Modifiers / Inline Modifiers Conditional Assignment The case statement, Negation, the unless, while, and until Keywords, and More! questions Ranges Intro to Ranges Alphabetical Ranges The .size Method on a Range Check if Value Exists in a Range with .includes? Method or === Generate A Random Number with the rand Method Range Objects questions Arrays I Creation, Addition, and Modification Introduction to Arrays Create An Array with Bracket Syntax Shorthand %w Syntax to Create an Array of Strings Create an Array with Array.new Method Access Single Array Element by Index Position Access Single Array Element with .fetch Method Extract Sequential Array Elements with Bracket Syntax Access Sequential Array Elements with a Range Object Access Multiple Array Elements with the .values_at Method The .slice Method Overwrite One or More Array Elements The .length, .size and .count Methods on an Array The .empty? and .nil? Methods on an Array The .first and .last Methods The .push Method, the Shovel Operator, and the .insert Method The .pop Method The .shift and .unshift Methods Equality and Inequality Operators with Arrays The Spaceship Operator Convert Ranges to Arrays with the .to_a Method The .is_a? Predicate Method Arrays I Creation, Addition, and Modification questions Arrays II Iteration and Various Methods The ri Program Review of Blocks The .each Method on an Array More Practice with the .each Method each within each The For Loop The .each_with_index Method CHALLENGE The .each_with_index Method The .map and .collect Methods on an Array Iteration over Array with while or until Loops The break Keyword The next Keyword The .reverse Method on an Array The .sort Method on an Array The .concat Method on an Array The .max and .min Methods on an Array The .include? Predicate Method on an Array The .index and .find_index Methods on an Array The .select Method on an Array The .reject Method on an Array Unpack a Multidimensional Array The .partition Method on an Array Arrays II Iteration and Various Methods questions Strings II The .split Method on a String Iterate over String Characters The .join Method on an Array The .count Method on a String The .index and .rindex Methods on a String The .insert Method on a String The .squeeze Method The .clear Method on a String The .delete Method on a String Strings II questions Arrays III  Bonus Methods Object Pointers and Object Copies Splat Arguments The .any? and .all? Methods on an Array The .find and .detect Methods on an Array The .uniq Method on an Array The .compact Method on an Array The .inject and .reduce Methods on an Array The .flatten Method on an Array The .zip Method on an Array The .sample Method on an Array Multiply an Array with Asterisk Symbol Union Combine Arrays and Exclude Duplicates Remove Array Items that Exist in Another Array Array Intersection with the Ampersand Symbol Arrays III Bonus Methods questions Hashes I Intro to Hashes Create Hash and Extract Values from Hashes by their Keys Intro to Symbols and Symbols as Hash Keys Convert Symbols to Strings and Vice Versa The .fetch Method on a Hash Add a Key Value Pair to a Hash with Bracket Syntax or the .store Method The .length and .empty? Methods on a Hash The .each Method on a Hash The .each_key and .each_value Methods Retrieve Keys or Values from Hash as an Array Hashes I questions Hashes II Create Hash with Default Value Convert Hash to Array and Vice Versa The .sort and .sort_by Methods on a Hash The .key? and .value? Methods on a Hash Hashes as Method Arguments The .delete Method on a Hash The .select and .reject Methods on a Hash The .merge Method to Combine Hashes CHALLENGE Word Frequency in a Sentence String Hashes II questions Blocks, Procs, and Lambdas Introduction to Blocks The yield Keyword Procs I The .block_given? Method Yielding with Arguments A Custom .each Method Procs II Pass a Ruby Method as Proc Methods with Proc Parameters Intro to Lambdas Lambda Efficiency Example The Time Object Intro to the Time Object Instance Methods on a Time Object Predicate Methods on Time Objects Add or Subtract Time by Seconds The Comparable Methods on a Time Object Convert Time Object to Other Objects Convert Time Object to Formatted String The .parse and .strptime Methods File Input and Output Read from a Text File with Ruby Write to a Text File with Ruby Rename and Delete a File with Ruby Command Line Arguments (ARGV) The load Method The require and require_relative Methods Regular Expressions The .start_with? and .end_with? Methods The .include? Method Intro to Regular Expressions The .scan Method I The .scan Method II The Wildcard Symbol The Backslash RegEx Anchors Exclude Characters The .sub and .gsub Methods with Regular Expressions Rubular.com Classes I Intro to Classes Review of the .class Method on Ruby Objects The .superclass and .ancestors Methods on a Class The .methods Method Create A Class Object Aliases Instance Variables and the .initialize Method Instance Methods Override the .to_s Method The self Keyword in an Instance Method Getter Methods Setter Methods Shortcut Accessor Methods Add Parameters to initialize Method Classes I questions Modules and Mixins Intro to Modules Modules with Identical Methods Import Modules into the Current File The Math Module Mixins I The Comparable Module Mixins II Custom Mixins The .ancestors Method in Depth The prepend Keyword The extend Keyword Mixins III The Enumerable Module Modules and Mixins questions Classes II Private Methods Protected Methods Add Validation to Setter Methods Prefer Instance Methods to Instance Variables Calling Multiple Setter Methods within one Method Structs Monkey Patching I Monkey Patching II Monkey Patching III Class Variables and Class Methods Classes II questions Classes III Review of Inheritance Create Subclasses Check Inheritance Hierarchy   The .is_a? and .instance_of? Predicate Methods Exclusive Instance Methods in Subclasses Override Methods in a Subclass The super Keyword I The super Keyword II Class Variables across Subclasses Singleton Classes and Singleton Methods Hash as initialize Argument I Hash as initialize Argument II Classes III questions Reading and Writing Documentation Intro to Rubydoc Documentation Class Method Documentation on RubyDocs Install rdoc Use rdoc to Generate Your Own Documentation I Use rdoc to Generate Your Own Documentation II Conclusion Conclusion " - Ref.: Udemy.com 
Reference: https://www.udemy.com/learn-to-code-with-ruby-lang/?couponCode=RUBYONE
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