Tweaks to material to remove class sections (now taught through Ruby …

…Robot world), and display more content on slides rather than loading with javascript

.class-materials/ruby-dictionary.txt

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+YES - true
+NO - false
+ANY LETTER, WORD, ETC. - string
+NUMBER - integer
+CATEGORY - class
+COMMAND - method
+ANY ITEM IN RUBY WORLD - object
+STICKY NOTE - variable
+ENTER KEY - \n

.class-materials/ruby-instructions.txt

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+INTEGER
++ - add together
+next - give the next number
+even? - is the number even?
+odd? - is the number odd?
+round - rounds up or down to nearest integer 
+to_s - converts to a string
+abs - absolute value
+zero? - is it 0?
+ceil - rounds up to the nearest integer
+* - multiply two integers together
+puts - displays the integer
+> - greater than
+< - less than
+== - are they equal?
+<= - less than OR equal
+>= - greater than or equal
+!= - not equal
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+STRING
++ - put the strings together
+capitalize - capitalize first letter of string
+upcase - make all letters capital
+reverse - reverse all of the letter
+chop - take off last letter of string
+* - if followed by integer, repeat that many times
+downcase - make everything lowercase
+empty? - is the string empty?
+include? - does the string include another string?
+next - next letter in sequence
+delete - deletes all individual letters in string
+length - count the number of letters
+puts - displays the string
+gets - takes a string from us including the enter key
+gets.chomp - takes a string without the enter key
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+ARRAY
+each - go through each element
+join(", ") - turn to string w/ comma, return original
+reverse - reverse elements, return original
+[x] - element at x, return original
+uniq - remove duplicates, return original
+delete_at(x) - remove element at x, return new array
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assignments/loop_4.rb

@@ -1,4 +1,4 @@
 99.downto(1).each do |i|
-  puts "#{i} bottles of beer on the wall, #{i} bottles of beer. Take one down, pass it around, and now there are #{i - 1} bottles of beer on the wall!"
+  puts "#{i} bottles of soda on the wall, #{i} bottles of soda. Take one down, pass it around, and now there are #{i - 1} bottles of soda on the wall!"
   sleep 0.5
 end