bil-bas · July 31, 2012 21:57
diff --git a/gistfile1.txt b/gistfile1.txt
 heftig: 
 first, do    target = rand(a.inject(0){|m,h| m + h[:prob]})
 to get a value between 0 and (sum of all probs - 1)
 then just a.find { |h| target -= h[:prob]; target < 0 }
 steps through the array, reducing target by prob until it's < 0
	heftig:
	first, do target = rand(a.inject(0){\|m,h\| m + h[:prob]})
	to get a value between 0 and (sum of all probs - 1)
	then just a.find { \|h\| target -= h[:prob]; target < 0 }
	steps through the array, reducing target by prob until it's < 0