femoco

# config/initializers/nullify_blank.rb

class ActiveRecord::Base
  def self.nullify_blank(*args)
    for arg in args
      define_method :"#{arg.to_s}=" do |v|
        v = nil if v.blank?
        self[arg.to_sym] = v
      end
    end

femoco

  def get_random_string(length=5)
    source=("a".."z").to_a + ("A".."Z").to_a + (0..9).to_a + ["_","-","."]
    key=""
    length.times{ key += source[rand(source.size)].to_s }
    return key
  end

femoco

  def get_random_string(length=5)
    source=("a".."z").to_a + ("A".."Z").to_a + (0..9).to_a + ["_","-","."]
    key=""
    length.times{ key += source[rand(source.size)].to_s }
    return key
  end