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jvgeee · Apr 9, 2015 · a9e51e3 · a9e51e3
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diff --git a/.gitignore b/.gitignore
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+.DS_Store
diff --git a/10_000_hours.jpeg b/10_000_hours.jpeg
diff --git a/README.md b/README.md
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+WDI LDN12 Lesson Notes & Completed Examples
+===========================================
+
+If you want to edit something in one of the notes, please create a comment and/or create a pull request.
diff --git a/box-model.gif b/box-model.gif
diff --git a/chrome.jpg b/chrome.jpg
diff --git a/class_cookie_cutter.jpeg b/class_cookie_cutter.jpeg
diff --git a/clear.png b/clear.png
diff --git a/completed_examples/.gitkeep b/completed_examples/.gitkeep
diff --git a/completed_examples/w1_d3_javascript_calc_it/index.html b/completed_examples/w1_d3_javascript_calc_it/index.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <title></title>
+  <script type="text/javascript" src="./script.js"></script>
+</head>
+<body>
+
+</body>
+</html>
diff --git a/completed_examples/w1_d3_javascript_calc_it/script.js b/completed_examples/w1_d3_javascript_calc_it/script.js
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+var calculationType = prompt("Which operation would you like to do ? b(a)sic, (m)ortgage, (b)mi, (t)rip or (q)uit");
+
+while(calculationType != "q"){
+  switch(calculationType){
+    case "a" :// basic calc
+      var num1 = parseFloat(prompt("first number"));
+      var operationType = prompt("(a)dd, (s)ubtract, (m)ultiply or (d)ivide");
+      var num2 = parseFloat(prompt("second number"));
+      switch(operationType){
+        case "a":
+          var answer = num1 + num2;
+          break;
+        case "s":
+          var answer = num1 - num2;
+          break;
+        case "m":
+          var answer = num1 * num2;
+          break;
+        case "d":
+          var answer = num1 / num2;
+          break;
+      }
+      alert("The result is "+ answer)
+
+    break;
+    case "m" :
+      var loan = parseFloat(prompt("loan ($)"));
+      var apr = parseFloat(prompt("apr")) / 100 / 12;
+      var term = parseInt(prompt("Term (months)"));
+
+      var temp = Math.pow((1 + apr), term);
+      var payment = (loan * apr * temp / (temp - 1)).toFixed(2);
+      alert(" Your monthly payment will be $" + payment)
+    break;
+
+    case "b" :
+      var mass = parseFloat(prompt("Mass (KG)"));
+      var height = parseFloat(prompt("height (Meters)"));
+
+      var bmi = (mass / Math.pow(height, 2)).toFixed(2);
+
+      alert(" Your BMI is " + bmi);
+    break;
+
+    case "t" :
+      var dist = parseFloat(prompt("Distance (miles)"));
+      var mpg = parseFloat(prompt("Miles per gallon"));
+      var cost = parseFloat(prompt("Cost ($/gallon)"));
+      var speed = parseFloat(prompt("MPH"));
+
+      var time = (dist / speed).toFixed(2);
+
+      if(mpg > 60){
+        var actualMPG = mpg - (speed - 60) * 2;
+      } else{
+        var actualMPG = mpg;
+      }
+
+      var cost = (dist / actualMPG * cost);
+
+      alert("Your trip will take " + time + "hours and cost $" + cost)
+
+    break;
+  }
+  var calculationType = prompt("Which operation would you like to do ? b(a)sic, (m)ortgage, (b)mi, (t)rip or (q)uit");
+}
+
+
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diff --git a/completed_examples/w1_d4_ruby_mta/mta.rb b/completed_examples/w1_d4_ruby_mta/mta.rb
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+#This is the Subway Stops Calculator
+
+mta_lines = {
+ n: ["Times Square","34th", "28th", "23rd", "Union Square", "8th"],
+ s: ["Grand Central", "33rd", "28th", "23rd", "Union Square", "Astor Palace"],
+ l: ["8th", "6th", "Union Square", "3rd", "1st"]
+}
+
+def get_lines(information)
+ puts information
+ puts "Which line, n, l or s ?"
+ gets().chomp
+end
+
+def get_stop(information)
+ puts information
+ puts "Which Station?"
+ gets().chomp
+end
+
+def get_distance(line, first_stop, last_stop)
+ (mta_lines[line.to_sym].index(first_stop) - mta_lines[line.to_sym].index(last_stop)).abs
+end
+
+#That' everything defined, now start the execution of code.
+# First Gather Info
+on_line = get_lines("Enter your Getting On Line")
+puts "You chose to get on the #{on_line} line"
+
+on_stop = get_stop("Enter Your on Station")
+puts "You chose to get on the #{on_stop} Station"
+
+off_line = get_lines("Enter your getting off line")
+puts "You chose to get off the #{off_line} line"
+
+off_stop = get_stop("Enter Your off Station")
+puts "You chose to get off the #{off_stop} Station"
+
+# calculations
+distance =if (on_line == off_line) #  if the stations are on the same line
+ get_distance(on_line, on_stop, off_stop)
+else # second case is for stops on different lines
+ get_distance(on_line, on_stop, "Union Square") + get_distance(off_line, off_stop, "Union Square")    
+end
+puts "Your Journey Distance is #{distance} Stops"
diff --git a/completed_examples/w2_d1_ruby_airport_lab/airport/airport.rb b/completed_examples/w2_d1_ruby_airport_lab/airport/airport.rb
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+class Airport
+
+  attr_reader :name
+  attr_accessor :flights
+
+  def initialize(name)
+    @name  = name
+    @flights = []
+  end
+
+  def add_flight(number_of_seats, destination)
+    flights << Flight.new(number_of_seats, destination)
+  end
+
+end
diff --git a/completed_examples/w2_d1_ruby_airport_lab/airport/flight.rb b/completed_examples/w2_d1_ruby_airport_lab/airport/flight.rb
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+class Flight
+
+  attr_reader :number_of_seats
+  attr_accessor :passengers, :destination
+
+  def initialize(number_of_seats, destination)
+    @number_of_seats = number_of_seats
+    @destination     = destination
+    @passengers      = []
+  end
+
+  def add_passenger(passenger)
+    passengers << passenger
+  end
+
+  def to_s
+    "#{destination} with #{number_of_seats} passengers."
+  end
+
+end
diff --git a/completed_examples/w2_d1_ruby_airport_lab/airport/main.rb b/completed_examples/w2_d1_ruby_airport_lab/airport/main.rb
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+require_relative 'airport'
+require_relative 'flight'
+require_relative 'passenger'
+
+airport = Airport.new("London Heathrow")
+
+def menu
+  puts `clear`
+  puts "*** Welcome to Heathrow Airport ***\n\n"
+  puts '1 : Add a flight'
+  puts '2 : List flights'
+  puts '3 : Add passenger to flight'
+  puts '4 : List passengers of a flight'
+  puts "Q : Quit\n\n"
+  print '--> '
+  gets.chomp
+end
+
+def list_flights(airport)
+  airport.flights.each_with_index do |flight, index|
+    puts "#{index}.\t#{flight}"
+  end
+end
+
+def list_passengers(flight)
+  flight.passengers.each_with_index do |passenger, index|
+    puts "#{index}. #{passenger.name}"
+  end
+end
+
+response = menu
+
+while response.upcase != 'Q'
+  case response
+  when '1' # Add a flight
+    puts "How many passengers are on this flight?"
+    number_of_passengers = gets.chomp.to_i
+    puts "What is the flight's destination?"
+    destination = gets.chomp
+    puts airport.add_flight(number_of_passengers, destination)
+    gets
+
+  when '2' # List flights
+    puts "Here is a list of the flights:"
+    list_flights(airport)
+    gets
+
+  when '3' # Add passenger to flight
+    puts "What is the passenger name?"
+    name = gets.chomp
+    passenger = Passenger.new(name)
+
+    puts "What flight do you want to add a passenger to?"
+    list_flights(airport)
+    flight_number = gets.chomp.to_i
+    flight = airport.flights[flight_number]
+    flight.add_passenger(passenger)
+    puts "#{passenger.name} added to #{flight}"
+    gets
+
+  when '4' # List passengers of a flight
+    puts "What flight do you want to list the passengers of?"
+    list_flights(airport)
+
+    flight_number = gets.chomp.to_i
+    flight = airport.flights[flight_number]
+
+    puts "The passenger list for this flight is:"
+    list_passengers(flight)
+    gets
+
+  end
+
+  response = menu
+end
diff --git a/completed_examples/w2_d1_ruby_airport_lab/airport/passenger.rb b/completed_examples/w2_d1_ruby_airport_lab/airport/passenger.rb
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+class Passenger
+
+  attr_reader :name
+
+  def initialize(name)
+    @name = name
+  end
+
+end