rnmp

def create 
   color = params[:color]
   color[:color].gsub!(/^(#|0x)/, '')
   @color = Color.new(color)
   @color.user = current_user
   if @color.save
     redirect_to(root_url) 
   end
 end  

rnmp

def create    
    @roll = Roll.new(params[:roll])
    @rolls = Roll.all(:order => "created_at DESC", :limit => 5)
    
    # Creating a random id & name in case is empty
    @number = (rand(900000)+100001)    
    @roll.id = @number    
    if @roll.name.empty?
      @roll.name = "Roll #" + @number.to_s 
    end