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def route_match? origin, destination
  origin.iata == origin and destination.iata == destination
end

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File.basename(File.basename(name, '.jpg'), '.png')

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require File.expand_path(File.dirname(__FILE__) + '/../../../../../../usr/local/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/sqlite3_adapter.rb')

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hash.to_a.select{|elem| elem[1].map{|st| st.from}.include? state}.map{|elem| elem[1].map{|inner| inner.to}.uniq}.flatten

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Dir["#{Rails.root}/lib/**/*"].select { |f| File.directory? f }.join(' ')

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Было (плохо):

<% @collection.each_with_index do |item, counter| -%>
  <%= "<div class='group'>" if ((counter)/items_in_block).to_i*items_in_block == (counter) %>
  <%= render :partial => 'item', :locals => { :item => item} %>
  <%= "</div>" if (counter > 0 and (((counter+1)/items_in_block).to_i*items_in_block == (counter+1)) or ((counter+1) == @collection.size)) %>
<% end -%>

Стало (чуть лучше ;):

<% @collection.in_groups_of(items_in_block).each do |items| %>
  <div class="group">
    <% items.each do |item| %>
      <%= render :partial => 'item', :locals => { :item => item} %>
    <% end %>
  </div>
<% end %>

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# progress bar

width = 60  # width of bar
com   = 540 # input data

pr = com * 0.01
i = 0
j = width

v = 1
puts
while pr <= com

  print "\r#{v}% [#{"|"*i}#{" "*j}]"

  pr += com * 0.01  

  i += width * 0.01
  j -= width * 0.01

  v += 1  
  
  sleep(0.01)
  
end
puts

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def query(sql)
		begin
			@mysql.query(sql)
		rescue StandardError => err
			@log.error("Mysql query: '#{sql}\n#{err}'") if @log.class == LoggerHandler
		end
	end

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N = 5
$mas = (1..N).to_a
$c = 0
 
def generate(l = 0)
    if l == N-1
        for i in 0..N-1 do
            print("#{$mas[i]} ")
        end
        $c += 1; print("\n")
    else
        for i in l..N-1 do
            t = $mas[l]; $mas[l] = $mas[i]; $mas[i] = t;
            generate(l+1)
            t = $mas[l]; $mas[l] = $mas[i]; $mas[i] = t;
        end
    end
    return $c
end
 
p generate(0);

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require "date"
#Конвертируем массив цифр в двухмерный масив для отображения
def get_numbers(numbers)
  output = []
  one = [["-","-","-","*","*"],["-","-","*","-","*"],["-","*","-","-","*"],["*","-","-","-","*"],["-","-","-","-","*"],["-","-","-","-","*"],["-","-","-","-","*"]]
  two = [["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["*","*","*","*","*"],["*","-","-","-","-"],["*","-","-","-","-"],["*","*","*","*","*"]]
  three = [["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["*","*","*","*","*"]]
  four = [["*","-","-","-","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["-","-","-","-","*"]]
  five = [["*","*","*","*","*"],["*","-","-","-","-"],["*","-","-","-","-"],["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["*","*","*","*","*"]]
  six = [["*","*","*","*","*"],["*","-","-","-","-"],["*","-","-","-","-"],["*","*","*","*","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"]]
  seven = [["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","*","-"],["-","-","*","-","-"],["-","*","-","-","-"],["*","-","-","-","-"],["*","-","-","-","-"]]
  eight = [["*","*","*","*","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"]]
  nine = [["*","*","*","*","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"],["-","-","-","-","*"],["-","-","-","-","*"],["*","*","*","*","*"]]
  zero = [["*","*","*","*","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","-","-","-","*"],["*","*","*","*","*"]]
  seperator = [["-","-","-","-","-"],["-","*","-","*","-"],["-","-","-","-","-"],["-","-","-","-","-"],["-","-","-","-","-"],["-","*","-","*","-"],["-","-","-","-","-"]]
  for i in numbers
    case i
      when "0"
        output += [zero]
      when "1"
        output += [one]
      when "2"
        output += [two]
      when "3"
        output += [three]
      when "4"
        output += [four]
      when "5"
        output += [five]
      when "6"
        output += [six]
      when "7"
        output += [seven]
      when "8"
        output += [eight]
      when "9"
        output += [nine]
      when ":"
        output += [seperator]
    end
  end  
  return output
end
#Получаем массив с текущим временем
def get_time
  t = Time.new
  if t.hour.between?(0,9)
    hour = "0" + t.hour.to_s
  else
    hour = t.hour.to_s
  end
  if t.min.between?(0,9)
    min = "0" + t.min.to_s
  else
    min = t.min.to_s
  end
  if t.sec.between?(0,9)
    sec = "0" + t.sec.to_s
  else
    sec = t.sec.to_s
  end
  time = [hour[0],hour[1],":",min[0],min[1],":",sec[0],sec[1]]
end

#Рисуем с заменой символов на в
def display_time(symbols = {:star => "0", :line => " "})
  color_taf = 0
  color_tab = 7
  loop do
	#Для очитки экрана в UNIX
	if RUBY_PLATFORM == "i386-mingw32" then
	  system("cls")
	else
	  system("tput reset")
	end
	#Цвет и фон
    #system("tput setaf #{color_taf}")
    #system("tput setab #{color_tab}")
    m = get_numbers(get_time)
    #Посимвольная прорисовка
    for j in 0..6
      for i in 0..m.size-1
        for z in m[i][j]
          case z
            when "*"
              print symbols[:star]
            when "-"
              print symbols[:line]
            #sleep(0.01) Для просмотра прорисовки
          end
        end
        print " "
      end
      print "\n"
    end
    sleep(1)
  end
end
#Рисуем
display_time :star => "0", :line => " "