Rails Gems reference link

 client side valiation  
 http://slainer68.wordpress.com/2010/09/02/rails-3-html-5-and-client-side-forms-validations-using-validator/  
 http://runnable.com/UpfEp0q7JxN6AARR/form-validation-using-ruby-on-rails  
 http://sleekd.com/tutorials/jquery-validation-in-ruby-on-rails/  
 http://railscasts.com/episodes/263-client-side-validations  
 http://asciicasts.com/episodes/263-client-side-validations 

rails sessions  
 Rails 3 additional session configuration options (key, expires_after, secure)  
 http://www.quarkruby.com/2007/10/21/sessions-and-cookies-in-ruby-on-rails  
 http://stackoverflow.com/questions/6397573/rails-3-additional-session-configuration-options-key-expires-after-secure 

omniauth(gmail)  
 http://blog.myitcv.org.uk/2013/02/19/omniauth-google-oauth2-example.html  
 http://blogs.burnsidedigital.com/2013/03/rails-3-devise-omniauth-and-google/  
 http://deepakrip007.wordpress.com/2013/11/05/google-integration-using-devise-and-omniauth-in-rails-app/   
 http://blog.baugues.com/google-calendar-api-oauth2-and-ruby-on-rails 

gmaps4rails  
 http://gkunwar1.wordpress.com/2012/08/28/use-google-map-in-rails-without-using-gem   
 http://upcomer.wordpress.com/2011/04/15/google-maps-in-rails-3/(HHHH)  
 http://danak.priv.pl/ruby-on-rails/gmaps4rails/  
 http://thasulinux.wordpress.com/2011/05/10/google-maps-in-rails3-application-sample-application/   
 http://andyglassblog.wordpress.com/2012/07/06/google-maps-for-rails-with-gmaps4-rails-tutorial-on-how-to-post-and-filter-locations/  
 http://runwaytorails.wordpress.com/2013/04/15/gmaps4rails/  
 writing script in ruby to play with mysql  
 http://zetcode.com/db/mysqlrubytutorial/ 

gem httparty  
 http://blog.teamtreehouse.com/its-time-to-httparty 

gem device  
 http://techazzist.wordpress.com/2012/01/01/creating-a-simple-ruby-on-rails-application-using-devise/  
 http://blog.blazingcloud.net/2011/01/08/devise-authentication-in-rails-3/  
 http://guides.railsgirls.com/devise/  
 gem action mailer  
 http://asciicasts.com/episodes/206-action-mailer-in-rails-3 

gem oauth twitter   
 http://stakeventures.com/articles/2009/07/21/consuming-oauth-intelligently-in-rails  
 error:  
 SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed  
 solution:  
 In one project, we had to add this code to config/environments/development.rb to get Facebook connect working for local development:  
 OpenSSL::SSL::VERIFY_PEER =OpenSSL::SSL::VERIFY_NONE  
 Flat UI  
 http://designmodo.com/create-drop-down-menu-search-box/ 

twitter bootstarp gem  
 http://ruby.railstutorial.org/chapters/filling-in-the-layout#top  
 http://bootstraphero.com/the-big-badass-list-of-twitter-bootstrap-resources (different designs)  
 http://railscasts.com/episodes/328-twitter-bootstrap-basics?view=asciicast  
 http://www.sitepoint.com/series/twitter-bootstrap-and-rails/  
 http://ruby.railstutorial.org/chapters/filling-in-the-layout#sec-custom_css  
 http://railskey.wordpress.com/2012/05/21/twitter-bootstrap-rails-3-tutorial/  
 https://github.com/jehughes/rails3-devise-bootstrap-example  
 http://www.tomordonez.com/blog/2012/06/04/tutorial-of-twitter-bootstrap-with-activeadmin-and-spanishslang-gem/  
 https://communityguides.heroku.com/articles/18  
 https://github.com/seyhunak/twitter-bootstrap-rails  
 http://www.opinionatedprogrammer.com/2011/11/twitter-bootstrap-on-rails/   
 http://www.onextrapixel.com/2012/11/12/how-to-use-twitter-bootstrap-to-create-a-responsive-website-design/  
 http://stackoverflow.com/questions/15259762/twitter-bootstrap-responsive-design  
 http://stackoverflow.com/questions/15022706/twitter-bootstrap-responsive-css-selectors  
 http://www.sitepoint.com/building-responsive-websites-using-twitter-bootstrap/  
 https://www.google.co.in/search?q=responsive+twitter+bootstrap&client=ubuntu&channel=fs&noj=1&ei=P-maUtjHLMmHrQeQ14C4Dg&start=10&sa=N&biw=1301&bih=678 

adding twitter bootstrap sass  
 http://www.sitepoint.com/series/twitter-bootstrap-and-rails/  
 http://bootstraphero.com/the-big-badass-list-of-twitter-bootstrap-resources 

db relationship  
 1.http://net.tutsplus.com/tutorials/ruby/advanced-data-models-with-rails/  
 2.http://upcomer.wordpress.com/2011/03/10/relationship-concepts-in-rails-3/#comment-80  
 3.http://fskrealityguide.blogspot.in/2008/08/ruby-on-rails-sucks.html(no technical)  
 4.http://biodegradablegeek.com/2007/12/understanding-basic-database-relationships-in-rails/  
 5.http://blog.plataformatec.com.br/tag/rails-3/  
 6.http://www.andrewdenhertog.com/ruby-on-rails/creating-model-associations-in-rails/