N. Bekseitov

before_save :set_current_money

def set_current_money
    self.current_money ||= self.doctor_hour_price.to_f*self.users.where("enter_date >= ?", 7.days.ago).count
 end

posts = Post.order(created_at: :desc).limit(10)
posts.size - posts.where(ff_id: 2).size

@projects = Project.limit(3).order(created_at: :desc)
@projects.each do |project| 
  project.posts.limit(5).each {|post| @posts << post}
end
@posts_project = @posts.order(created_at: :desc)

date=Date.today
@anons=Page.where( 'public_at > ?', date )

require 'date'
start = Date.parse('2012-09-02')
finish = Date.parse('2013-11-02')
date_months = (start..finish).map {|d| Date.new(d.year, d.month) }.uniq
date_months.map {|d| d.strftime "%m/%Y" }

["09/2012", "10/2012", "11/2012", "12/2012", "01/2013", "02/2013", "03/2013", "04/2013", "05/2013", "06/2013", "07/2013", "08/2013", "09/2013", "10/2013", "11/2013"]

var ready;

ready = function() {
  //Ваша функция
};

$(document).ready(ready);

$(document).on('page:load', ready);