mindplace

function fizzBuzz(max) {
  for (var num=1; num <= max; num++) {
    var current = "";
    if (num % 3 == 0) {
      current += "Fizz";
    }
    if (num % 5 == 0) {
      current += "Buzz";
    }
    if (!(current)) {

mindplace

def fizzbuzz(max)                 
   (1..max).to_a.each do |num|         
      current = ""         
      current << "Fizz" if num % 3 == 0 
      current << "Buzz" if num % 5 == 0 
      current<< num.to_s if current.empty?    
      puts current        
  end                            
end    

mindplace

p Calculator.add(6, 5, 9) # => 20
p Calculator.multiply(2, 4) # => 8
p Calculator.tester(2, 3, 4) # => "Sorry, 'tester' method not avilable!"
p Calculator.median(1, 2, 3, 4) # => 2.5
p Calculator.median(1, 2, 3, 4, 5) # => 3
p Calculator.mode(2, 2, 2, 6, 5, 8, 8, 8, 8, 5) # => 8
p Calculator.mode(2, 2, 2, 2, 6, 5, 8, 8, 8, 8, 5) # => [2, 8]

mindplace

module ExtraArrayMethods
  def average(*nums)
    nums.dup.inject(:+) / nums.length
  end

  def median(*nums)
    nums = nums.uniq.sort

    if nums.length < 4
      return nums[0] if nums.length == 1

mindplace

class Calculator
  extend ExtraArrayMethods
  
  def self.method_missing(method, *nums)
    operators = {add: :+, subtract: :-, multiply: :*, divide: :/}
    if operators.keys.include?(method) 
      nums.inject(operators[method])
    else
      "Sorry, '#{method.to_s}' method not available!"
    end

mindplace

my_library.suggest_a_book
# output:
#   "Why not pick up JavaScript & JQuery?"    

my_library.suggest_an_author
# output: 
#   "How about reading something by Rod Stephens?" 

mindplace

my_library.books.each{|book| puts "\"#{book.title}\", by #{book.author}"}

# output:
#   "The Well Grounded Rubyist", by David A. Black                                                                                                                                                                                                             
#   "JavaScript & JQuery", by Jon Duckett                                                                                                                                                                                                                      
#   "Essential Algorithms", by Rod Stephens                                                                                                                                                                                                                    
#   "Clean Code", by Robert C. Martin   

mindplace

my_library.add_book("The Well Grounded Rubyist", "David A. Black")
my_library.add_book("JavaScript & JQuery", "Jon Duckett")
my_library.add_book("Essential Algorithms", "Rod Stephens")
my_library.add_book("Clean Code", "Robert C. Martin")

p my_library  # output:
# #<Library:0x00000001296750 @books=[
#      #<Book:0x00000001296610 @title="The Well Grounded Rubyist", @author="David A. Black">, 
#      #<Book:0x000000012964d0 @title="JavaScript & JQuery", @author="Jon Duckett">, 
#      #<Book:0x00000001296390 @title="Essential Algorithms", @author="Rod Stephens">, 

mindplace

my_library = Library.new
p my_library
# output:   #<Library:0x00000001d468d0 @books=[]>  

mindplace

class Library
  attr_accessor :books
  
  def initialize
    @books = []
  end
  
  def add_book(title, author)
    @books << Book.new(title, author)
  end