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context 'buyer names changes' do
  let(:name) { 'Lindt' }
  let(:supplier) {  Supplier.create(name: 'Cocoa Beans Inc', email: 'cb@gmail.com', password: 'password')  }
  let(:buyer) { Buyer.cretae(name: name, email: 'lindt@gmail.com', password: 'password') }
  
  subject { 
    FactoryGirl.create(:trade_request, buyer: buyer, supplier: supplier)
  }
  
  # go for a logical context name

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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class Admin::GroupsController < Admin::BaseController
  def delete_all_groups
    GroupService.new(current_user, @group).delete_all_groups
  end
end

class GroupService
  def initialize(user, group)
    @user = user
    @group = group

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class FeaturedPhotosService
  def self.clean_featured_photo_for(listing_photo)
    updated_record_count =  Listing.where(featured_photo_id: listing_photo.id).
      update_all(featured_photo_id: nil)
    listing_photo.destroy if updated_record_count > 0
  end
end

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<% @settings['sites'].keys.sort.each do |sitename| %>
        <% sitename[sitename].keys.delete_if { |key, val| key != 'path_map' }.sort.each do |siteatt|
            <% siteatt.keys.sort.each do |sitemap| %>
               backend backend_<% sitename %>_<%= sitemap %>
            <% end %>
        <% end %>
<% end -%>

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context "Description" do
      before(:each) do
        group
      end
      context "is less than 25 characters" do
        context "without line breaks" do
          before(:each) { row[:Description] = "123456789012345678901234" }
          it { is_expected.to be false }
        end
        context "with line breaks" do

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context "Description" do
      before(:each) do
        group
      end
      context "is less than 25 characters" do
        context "without line breaks" do
          before(:each) { row[:Description] = "123456789012345678901234" }
          it { is_expected.to be false }
        end
        context "with line breaks" do

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// link <a title="recipe" href="sampleapp://recipes/3">recipe</a>

//app.js
function handleOpenURL(url) {
  setTimeout(function() {
    window.location.hash = '/app/show/' + url.split("/").pop();
  }, 500);
}

// following is my router 

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class ItemsController < ApplicationController
  #rest of your methods
  # ......
  private
   def item_params
    params.require(:item).permit(
    :name,
    :content,
    :image,
    :address,

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=== Rails migrations ===

In ruby/rails projects , the standard way of hadling database changes (add/edit tables, add/edit columns etc..) 
through the migrations. this way we can hadle database changes easily. 

=== where are the migrations ===

migrations are in the following folder

```ruby