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Gemfile

gem 'simple_form'

Installation

rails generate simple_form:install

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Gemfile

gem 'countries'

View

= select_tag(:country, options_for_select(Country.all))

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Offical documentation: https://github.com/thoughtbot/factory_girl/blob/master/GETTING_STARTED.md

Gemfile

gem 'factory_girl_rails'

Convenience

• Add the following to spec/spec_helper.rb for easier calling of FactoryGirl methods

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Setup

• Install the gem gem "paperclip", "~> 3.0"

# Create Database
class AddPhotoToDeals < ActiveRecord::Migration
  def self.up
    add_attachment :deals, :photo
  end

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This gem makes creating cron jobs very easy!

• Source: https://github.com/javan/whenever
• After defining your crons, you need to run whenever -w to write out the crontab
• Use crontab -l to see the list of cron jobs you have

Sample schedule.rb

set :output, {:standard => 'log/cron.log'} #logs to your log file to view

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Setup a WYSIWYG editor with CKEditor. Includes instruction for Rails_Admin

• Add gem 'ckeditor' to your Gemfile and bundle
• Checkout https://github.com/galetahub/ckeditor for instruction to generate the correct model to generate for uploading of files (eg. ActiveRecord + Paperclip)
• Run rake db:migrate
• Add //= require ckeditor/override in your application.js (before require_tree .)

To configure the editor to be used in Rails_Admin, follow this https://github.com/sferik/rails_admin/wiki/CKEditor

Sample Rails_Admin model config

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This guide setup Apache2/Passenger/Ruby/Rails on a CentOS 6.4 LiveCD.
You can test it yourself using VirtualBox to run all the scripts - read VirtualBox.md for more info.

# install the necessary libraries
yum clean all
yum -y update
yum -y install curl-devel git sqlite-devel libxml2-devel
yum -y install libxml2 libxml2-devel libxslt libxslt-devel
yum -y install gcc-c++ readline-devel libyaml-devel libffi-devel openssl-devel libtool bison

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Setup Postgres in Server

rpm -i http://yum.postgresql.org/9.2/redhat/rhel-6-x86_64/pgdg-centos92-9.2-6.noarch.rpm
yum -y install postgresql92-server postgresql92-contrib postgresql92-devel
yum -y install postgresql-devel # this is for gem pg

service postgresql-9.2 initdb
chkconfig postgresql-9.2 on
service postgresql-9.2 restart

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Note: You need to have to Heroku PGBackup addon first heroku addons:add pgbackups..

Importing Heroku PG DB to local

Creates the backup on heroku first:

heroku pg:backups capture

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# ...

gem 'carrierwave'
gem 'fog', '~> 1.0.0' # Need to specify version, as carrierwave references older (0.9.0) which doesn't allow configuration of Rackspace UK Auth URL