waaadim

class Country < ActiveRecord::Base
  validates :name, uniqueness: true
  validates :name, presence: true

  has_many :regions, dependent: :destroy#, inverse_of: :country
  validates_associated :regions
  accepts_nested_attributes_for :regions
end

class Region < ActiveRecord::Base

waaadim

class SessionsController < Devise::SessionsController
  # skip_before_filter :require_no_authentication

  def create
    # raise user_signed_in?.inspect
    self.resource = warden.authenticate!(auth_options)
    set_flash_message(:notice, :signed_in) if is_flashing_format?
    resource.authentication_token = nil
    resource.save!
    sign_in(resource_name, resource)

waaadim

<script type="text/javascript">
            $(function() {
                $('#thumbs').carouFredSel({
                    synchronise: ['#images', false, true],
                    auto: false,
                    width: 440,
                    items: {
                        visible: 3,
                        start: -1
                    },

waaadim

<?php
/*
isEnabled() (example):

let's pretend that you have a folder "web_root/module" and in that folder the following files:
Model1.php
Model2.php
Model3.php
Model4.php

waaadim

<?php

// TaskController - actionCreate
function actionCreate() {
...
$this->raiseEvent('onTaskCreate', new CEvent($this));
...
}

public function onTaskCreate($event) {