class String
Public Class Methods
random(size)
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# File lib/graphviz/core_ext.rb, line 2 def self.random(size) s = "" d = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a size.times { s << d[rand(d.size)] } return s end
Public Instance Methods
convert_base(from, to)
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# File lib/graphviz/core_ext.rb, line 11 def convert_base(from, to) self.to_i(from).to_s(to) end