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Introducción a Ruby

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Avatar for eveevans eveevans
October 09, 2014
Programming
45
0

Introducción a Ruby

Avatar for eveevans

eveevans

October 09, 2014

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Transcript

  1. Ruby Build 3.0

  2. Ruby @eveevans

  3. A ruby been eaten by godzilla

  4. Multiparadigma Código Abierto Multiplataforma Interpretado

  5. None

  6. puts "Hola Mundo"

  7. class ClaseFulanita { public static void main() { System.out.println("Hola Mundo");

    } } "Hola Mundo" en Ruby puts "Hola Mundo" "Hola Mundo" en Java

  8. 3.times do puts "Si, Ruby Rocks" end Si, Ruby Rocks

    Si, Ruby Rocks Si, Ruby Rocks => 3

  9. "¡Liberen al Kraken!".reverse => "!nekarK la nerebiL"

  10. "¡Liberen al Kraken!".reverse. upcase => "!NEKARK LA NEREBIL¡"

  11. class Humano end erick = Humano.new erick.class => Humano

  12. 1. def method_missing(method_name) 2. if columna = method_name.to_s.match(/^tiene_([a-z]*)\?$/) 3. self.send(columna[1].to_sym).blank?

    ? false : true 4. else 5. super 6. end 7. end :tiene_telefono? :tiene_precio? :tiene_algo_que_quiero?

  13. nil.class => NilClass

  14. 1.0/0 => Infinity

  15. ¿Dónde lo uso?

  16. Aplicaciones Web

  17. None
  18. None
  19. None

  20. Aplicaciones de Escritorio

  21. None

  22. Aplicaciones juegos

  23. None

  24. Aplicaciones de Seguridad

  25. None

  26. Aplicaciones para movil

  27. Aplicaciones de lo que queramos

  28. None

  29. Y... ¿Nicaragua?

  30. www.rubyni.com