alvir

def create_listing_by_url(url, who_creates_listing)
  return { } if url.match(UrlsProcessor::URL_WITH_DOMAIN_ONLY)
  initial_url = url
  res         = create_listing_matched_to_feed_by_url(url, who_creates_listing, initial_url)
  return res if res

  res         = Listing.create_empty_result_hash
  source_info = Scraper::Manager.detect_top_level_source(url)
  unless source_info[:source]
    res[:not_found] << '' # it's needed to make res[:not_found] not empty array

alvir

class Feed < ActiveRecord::Base
  scope :searchable, where(some_conditions)

  scope :matchable, lambda {
    where("url in
         (SELECT du.url from
                        (SELECT url, count(*) cc
                         FROM feeds
                         WHERE (#{Feed.searchable_conditions})
                         GROUP by url

alvir

  def listed_date_links(feed_search, since_last_visit = false)
    ['Any', FeedSearch::SINCE_LAST_VIEW_VALUE, *FeedSearch::LAST_DAYS_VALUES].each do |col|
      if col == current_listed_date_column(feed_search, since_last_visit).to_s
        concat content_tag(:div, title_listed_date(col), :class => 'active')
      else
        concat link_to(title_listed_date(col), '#', :column_name => col, :class => 'subheader_link listed_date_column')
      end
    end
  end

alvir

  def self.percent_by_prices(previous_price, current_price)
    return 0 if previous_price.nil? || previous_price.zero?
    res = (((current_price.to_f/previous_price.to_f) - 1) * 100).round
    res = self.signum(current_price - previous_price) if res.zero?
    res
  end

  def self.signum(number)
    case
      when number > 0

alvir

class ActiveRecord::Base
  def self.raw_pluck(*args)
    sql = connection.unprepared_statement { select(args).to_sql }
    connection.execute(sql).to_a
  end
end

alvir

<%= render 'subpartial' %>
<%= @subpartial_instance_variable %>

alvir

$ file -b --mime-type 'Title_Of_Word_File.doc'
ERROR: (null)

$ file --version
file-5.09
magic file from /etc/magic:/usr/share/misc/magic

$ apt-get update
$ apt-get install file

alvir

# Put it to custom folder of ohmyzsh

# Open recent file of capybara screenshots
function ole(){
  local NUMBER=1
  if ! [ -z $1 ]; then
    NUMBER=$1
  fi
  open tmp/capybara/*.png(On[$NUMBER])
}

alvir

alias ggrb='grb --committer-date-is-author-date origin/$(git_current_branch)'