Conway's Game of Life on your iPhone

You can try Conway's Game of Life on your iPhone.
It's some kind of artificial life simulation.

Life for iPhone (iTunes)







Life for iPhone (iTunes)

You will be able to keep seeing its mysterious pattern.

Fibonacci in Ruby

a method for Fibonacci number:

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1. def fib(n)  
2.   if n < 2  
3.     1  
4.   else  
5.     fib(n - 2) + fib(n - 1)  
6.   end  
7. end  

def fib(n)
  if n < 2
    1
  else
    fib(n - 2) + fib(n - 1)
  end
end

result:

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1. puts fib(10) #=> 89  

puts fib(10) #=> 89

I came back!

I'll write in this blog again.

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1. class Programmer  
2.   def says(message)  
3.     puts message  
4.   end  
5. end  
6.   
7. shunsuk = Programmer.new  
8. shunsuk.says "I came back!"  

class Programmer
  def says(message)
    puts message
  end
end

shunsuk = Programmer.new
shunsuk.says "I came back!"