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def can_call?(name, seconds, limit)
  calls = redis.llen(name)
  return false if calls > limit
  if redis.exists(name)
    redis.rpushx(name, 1)
  else
    redis.multi do
      redis.rpush(name, 1)
      redis.expire(name, seconds)
    end

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class ApplicationController < ActionController::API

  def status
    begin
      DatabaseHelper::Mysql.smrt.exec_query('SELECT id FROM customers LIMIT 1')
      DatabaseHelper::Mysql.scr.exec_query('SELECT id FROM filter_prefixes LIMIT 1')
      DatabaseHelper::Mysql.backend.exec_query('SELECT id FROM accounts LIMIT 1')
      DatabaseHelper::Mysql.delayed_job.exec_query('SELECT id FROM delayed_jobs LIMIT 1')

      status = Class.new.extend DatabaseHelper

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Everything up-to-date
  * 2013-09-26 17:39:07 executing `staging'
    triggering start callbacks for `deploy:migrations'
  * 2013-09-26 17:39:07 executing `multistage:ensure'
  * 2013-09-26 17:39:07 executing `deploy:migrations'
  * 2013-09-26 17:39:07 executing `deploy:update_code'
    triggering before callbacks for `deploy:update_code'
  * 2013-09-26 17:39:07 executing `smrt:compress_assets'
    executing locally: "rm -rf public/assets/*"
    command finished in 1071ms

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module ConvexHull
 
   def self.calculate(points)
     lop = points.sort_by { |p| p.x }
     left = lop.shift
     right = lop.pop
     lower, upper = [left], [left]
     lower_hull, upper_hull = [], []
     det_func = determinant_function(left, right)
     until lop.empty?

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class ApplicationController < ActionController::Base

  # Add this to your application_controller
  def self.authorized_inherited_resources
    inherit_resources

    before_filter :authorize_resource_with_cancan
    define_method(:authorize_resource_with_cancan) do
      case action_name.to_sym
      when :new, :create

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# Example:
#
# find("span.assign").hover
#
module Capybara
  module Node
    class Element
      def hover
        @session.driver.browser.action.move_to(self.native).perform
      end

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# Tell Cucumber to quit after a scenario is done - if it failed.
# $ cucumber EXIT_WHEN_FAIL=1
# Note: Please take in account the advantage of tags when working with a specific scenario before implemebt this!
After do |s| 
  if s.failed? && ENV.include?('EXIT_WHEN_FAIL') && ENV['EXIT_WHEN_FAIL'] == '1'
    Cucumber.wants_to_quit = true 
  end
end

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module ActionView
  module Helpers
    module FormOptionsHelper
      #
      # NOTE: This approach does not work with the :disabled flag and other HTML options that 
      # grouped_options_for_select_with_cache supports, it was done
      # this way in order to improve the performance of large select tags that are rebuilt 
      # more than one time per request.
      def grouped_options_for_select_with_cache(grouped_options, selected_key = nil, prompt = nil)
        @grouped_options_cache ||= {}

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# Example:
#  chosen_select 'select[name="projects"]', "ProjectA"
#

def chosen_select (css_select, option_text)
  element_id = page.find(css_select)['id']
  page.driver.browser.mouse.down find("##{element_id}_chzn").native
  within("##{element_id}_chzn") do
    find(:xpath,"//li[text()=\"#{option_text}\"]").click
  end

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//bool setcookie ( string $name [, string $value [, int $expire = 0 [, string $path [, string $domain [, bool $secure = false [, bool $httponly = false ]]]]]] )
//@see http://php.net/manual/en/function.setcookie.php
setcookie("A", 'A', time()+3600, '/','a.com', 1, 1);