Ruby on Rails

Facebook share url in rails ?   https://www.facebook.com/dialog/feed?app_id=14563499550189 &display=popup&caption=An%20example%20caption&link=https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2&redirect_uri=https://developers.facebook.com/tools/explorer

Omniauth facebook email id not getting in rails? Better way use the koala api get the email address Steps 1)gem "koala" 2)bundle install 3)Get the request.env['omniauth.auth'] 3)@graph = Koala::Facebook::API.new( request.env['omniauth.auth']['credentials']['token'] ) 4)user_email = @graph.get_object("me?fields=email")

How to add external fonts on rails application with twitter bootstrap? 1)Add the fonts folder inside the assets   2)add the below code for app/assets/styleheets/application.css @font-face {   font-family: 'font_name';   src: url('../assets/font_file_name.otf'); } body{ font-family: 'font_name';    }

Rails 3 to Rails 4 Migrations Ruby Version 2.2.2 Rails Version 4.2.3 Modification files 1)Gemfile Latest Gems related versions 2)Routes Change the match method with via get or post 3)Controllers New params creating and updating the data. i)params.require(:person).permit(:name, :age) 4)Models Active Record queries need to change i)Profile.where(“code is not null”) Profile.where.not(code: null) ii)Write the scopes in Models 5)Javascripts,stylesheets,images_paths Move the javascriptfiles and stylesheets to assets folder 6)Facebook,Linkedin,Twitter apis need to change Code changes Latest versions of the API Git Related Commands git branch List of branches for the git git chekout -b newbranc...

Gem::LoadError (Specified 'mysql2' for database adapter, but the gem is not loaded. Add `gem 'mysql2'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).) In rails? 1)change the gemfile in mysql version  gem 'mysql2' 2)Change to mysql2 version  gem 'mysql2','0.3.20'

What are some GUI clients for Git? git gui  - graphical commit tool, in Tcl/Tk, distributed with Git (usually in  git-gui  package) git-cola  - uses PyQt4 install all git gui tools sudo apt-get update && sudo apt-get install git-all Usage of git Gui 1)Project folder -> git gui 2)add the what are the files need to be commit 3)Add the git commit name 4)git push origin master  git-cola also same as the git gui

Amazon ec2 open new port assets are not loading in rails 4.2.0? config/environments/production.rb   config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present? Line change to   config.serve_static_files = true