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<aside>
   <div class="widget">
       <h5 class="widget-title">
       <p></p>
   </div>
   <!-- other widgets -->
</aside>

<!-- CSS:

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# categories - массив объектов Category с полем name, по которому идет алфивитная разбивка.
# Сначала выводятся все буквенные названия, потом все остальное

  def categories_by_alphabet(categories)
    letter_sets = {}
    other = []

    categories.each do |category|
      first_letter = category.name.mb_chars.downcase.first.to_s

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  def group_header(text, group_name = :main, &block)
    @group_headers ||= {}

    if @group_headers[group_name] != text
      @group_headers[group_name] = text

      block_given? ? yield(text) : text
    end
  end

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  def box(*args, &block)
    options = args.extract_options!
    content = block_given? ? capture(&block) : args.shift

    result = '<div class="box">%s</div>' % content
    result.html_safe!

    block_given? ? concat(result) : result
  end

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# RAILS_ROOT/lib/jobs/queue.rb

module Jobs
  module Queue
    mattr_accessor :logger

    def enqueue(*args)
      Resque.enqueue(self, *args)
    end

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mysql> desc covers;
+----------------------+--------------+------+-----+---------+----------------+
| Field                | Type         | Null | Key | Default | Extra          |
+----------------------+--------------+------+-----+---------+----------------+
| id                   | int(11)      | NO   | PRI | NULL    | auto_increment | 
| page_id              | int(11)      | YES  | MUL | NULL    |                | 
| item_id              | int(11)      | YES  | MUL | NULL    |                | 
| performed            | tinyint(1)   | YES  |     | 0       |                | 
| cover_file_name      | varchar(255) | YES  |     | NULL    |                | 
| cover_content_type   | varchar(255) | YES  |     | NULL    |                | 

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# Query_time: 21.994271  Lock_time: 0.000081  Rows_sent: 4  Rows_examined: 4  Rows_affected: 0  Rows_read: 4
SELECT * FROM `covers` WHERE (`covers`.`id` IN (20104,11172,124710,472793));

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# Put this to ~/.irbrc (no extension)

require "rubygems"
require 'irb/completion'

ARGV.concat [ "--readline", "--prompt-mode", "simple" ]

# IRB & Readline hostory
module Readline
  module History

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module Rack
  module Middleware
    class BasicAuth
      def initialize(app, options = {})
        @app = app
        @options = options
      end

      def call(env, options = {})
        unless env['REMOTE_USER']

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# Add this your environment.rb or environment/*.rb file

config.middleware.use(::Rack::Middleware::BasicAuth,
  :username => "myuser",
  :password => "my$uperpa$$vvord",
  :domain   => "mydomain.com"
)