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Oct 14th, 2019
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  1. # puts 'Hello World'
  2. # a = 'I am happy bcuse it\'s monday'
  3. # puts "Hello #{a} World"
  4.  
  5. # zmienna_petlowa = ''
  6. # (1..10).each { |number| puts number } # z 10
  7. # (1...10).each { |number| puts number } # bez 10
  8.  
  9. # (1..).each do |number| # nieskonczona petla
  10. # break if a = 16
  11. # puts number
  12. # end
  13.  
  14. # (1..10).each do |number| # each przechodzi po tablicy
  15. # puts "teraz print"
  16. # puts number
  17. # end
  18.  
  19. # (1..10).each do |number| # map przemienia jedna z
  20. # tych danych w druga
  21. # puts "teraz print"
  22. # puts number
  23. # end
  24.  
  25. # (1...10).reduce(:+)
  26.  
  27. # puts RUBY_VRS
  28.  
  29. # a = Array.new #brzydkie
  30. # a = [] # ładne
  31. # b = %w(1 2)
  32. # c = %i(1 2)
  33. # a << 1
  34. # a << 2
  35. # puts a
  36. # puts a.class
  37. # puts a.inspect
  38. # puts b.inspect
  39. # puts c.inspect
  40.  
  41. # STALA = '123'
  42. # puts STALA
  43. # STALA = 123123
  44. # puts STALA # STALA wielkimi, zmienne malymi
  45.  
  46. #def some_method # nie mozna someMethod
  47. # puts 'asd'
  48. #end
  49. #some_method
  50.  
  51. #linters # zwracacze uwagi, (rubocop), nadzoruje wciecia, formatowanie kodu
  52.  
  53.  
  54. def some_method
  55. puts 'asd'
  56. end
  57.  
  58. # a = 110
  59. # b = 120
  60.  
  61. #if a == 11
  62. # puts 'if'
  63. #elsif b == 12
  64. # puts 'elsif'
  65. #else
  66. # puts 'else'
  67. #end
  68.  
  69.  
  70. # puts 'cokolwiek' if a == 110
  71. # puts 'cokolwiek b' if b == 120
  72.  
  73. #a == 110 ? 'cokolwiek' : 'cokolwiek2'
  74.  
  75. def some_method_2
  76. a = 11
  77.  
  78. [1,2,3].each do |var|
  79. var == a
  80. @asd = 123 # zmienna instancyjna
  81. # @@asd zmienna globalna - nie uzywac !
  82. end
  83. end
  84.  
  85. # Strony
  86. # apidocs
  87. #Ruby_doc
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