goz

def randomize_photo_file_name
  extension = File.extname(photo_file_name)
  self.photo.instance_write(:file_name, "#{ActiveSupport::SecureRandom.hex.first(16)}#{extension}")
end

goz

has_attached_file :photo, :styles => { :medium => "300x300>", :thumb => "100x100>" },
                  :url  => "/assets/attachments/:id/:style/:basename.:extension",
                  :path => ":rails_root/public/assets/attachments/:id/:style/:basename.:extension"
before_post_process :randomize_photo_file_name

goz

class Array
  def remove(*args)
    string_params = ""
    args.each do |arg_item|
      string_params += arg_item
    end   
    flatten.collect { |k| k.delete string_params}
  end
 
  def repeat(int)

goz

def show
    prawnto :prawn => { :page_size => 'A4',
                        :left_margin => 40,
                        :right_margin => 30,
                        :top_margin => 40,
                        :bottom_margin => 30},
                        :filename => "invoice_{@transaction.id}_customer_{@transaction.customer_id}.pdf"
    render :layout => false
end

goz

<%= link_to "Generate PDF", transaction_url(transaction.id, :format => "pdf") %>

goz

def run cmd, params = "", expected_outcodes = 0
  command = %Q[#{path_for_command(cmd)} #{params}].gsub(/\s+/, " ")
  command = "#{command} 2>#{bit_bucket}" if Paperclip.options[:swallow_stderr]
  Paperclip.log(command) if Paperclip.options[:log_command]
  output = `#{command}`
  unless [expected_outcodes].flatten.include?($?.exitstatus)
    raise PaperclipCommandLineError, "Error while running #{cmd}"
  end
  output
end

goz

def run cmd, params = "", expected_outcodes = 0
  command = %Q[#{path_for_command(cmd)} #{params}] # remove this => .gsub(/\s+/, " ")
  command = "#{command} 2>#{bit_bucket}" if Paperclip.options[:swallow_stderr]
  Paperclip.log(command) if Paperclip.options[:log_command]
  output = `#{command}`
  unless [expected_outcodes].flatten.include?($?.exitstatus)
    raise PaperclipCommandLineError, "Error while running #{cmd}"
  end
  output
end

goz

rails directory --skip-activerecord
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/generators.rb:6:in `require': no such file to load -- active_support/core_ext/kernel/singleton_class (LoadError)
	from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/generators.rb:6:in `<top (required)>'
	from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/commands/application.rb:10:in `require'
	from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/commands/application.rb:10:in `<top (required)>'
	from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/cli.rb:30:in `require'
	from /usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.0.beta3/lib/rails/cli.rb:30:in `<top (required)>'
	from /usr/local/lib/ruby/gems/1.9.1/gems/rails-3.0.0.beta3/bin/rails:1:in `require'
	from /usr/local/lib/ruby/gems/1.9.1/gems/rails-3.0.0.beta3/bin/rails:1:in `<top (required)>'
	from /usr/local/bin/rails:19:in `load'

goz

sudo env ARCHFLAGS="-arch x86_64" gem install pg

goz

sudo env ARCHFLAGS="-arch x86_64" gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config