Ruby on Rails Links I

Installing Rails in Ubuntu:
https://gorails.com/setup/ubuntu/16.04

Installing atom in rails:
http://tipsonubuntu.com/2016/08/05/install-atom-text-editor-ubuntu-16-04/ 	 

Adding fields to user devise:
http://www.bogotobogo.com/RubyOnRails/RubyOnRails_Devise_Adding_User_Field_and_Customization_Update_Saved.php

Replace HTML to HAML	
https://github.com/dhl/erb2haml


AMAZING FORMS (Dog Website/Step by Step Form)
https://www.youtube.com/watch?v=d9vMENoqxEE

Step by Step Forms
https://schneems.com/post/18437886598/wizard-ify-your-rails-controllers-with-wicked


Think like a designer 
https://www.youtube.com/watch?v=RanfCx18gi4

Click to appear, disappear
https://www.w3schools.com/jquery/tryit.asp?filename=tryjquery_hide_show

Rails App with MYSQL
https://www.digitalocean.com/community/tutorials/how-to-use-mysql-with-your-ruby-on-rails-application-on-ubuntu-14-04

Setup MYSQL
https://www.a2hosting.in/kb/developer-corner/mysql/managing-mysql-databases-and-users-from-the-command-line

Build Instagram Clone 
https://www.devwalks.com/lets-build-instagram-with-ruby-on-rails-part-6-follow-all-the-people/


Securitty For Devise
https://github.com/phatworx/devise_security_extension
https://github.com/devise-security/devise-security

Expire Session, Disallow Back Button to view page after logout, in application controller:
 before_action :set_cache_buster

  def set_cache_buster
    response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
    response.headers["Pragma"] = "no-cache"
    response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
  end
 
Authenticate Admin User to Disallow Downloads in controller
 def authenticate_admin
  redirect_to root_path unless current_user.is_admin == true
 end
 
Change Path and Page of a redirect in routes.rb
  get '/entries/:id', to: redirect('/entries/submit'), as: 'Submit'
  
Increase Password Complexity of Devise Password
 validate :password_complexity
 def password_complexity
   if password.present?
     if !password.match(/^(?=.*[a-z])(?=.*[A-Z])/)
       errors.add :password, "Password complexity requirement not met"
     end
   end
 end
 
Downlaod a PPT Saved Inside The App and change name
 in routes.rb: 
  get "/entries/download_ppt"
 and, in Controller:
  def download_ppt
     send_file(
       # Select File To Download
       "#{Rails.root}/chart-01.pptx",
       # Change Name
       filename: "Enterprise Risk - #{Date::MONTHNAMES[Time.now.month]} #{Time.now.year}.pptx",
       # Add MIME Type
       type: "application/pptx"
     )
  end
  and, in view: 
   = link_to "Download", entries_download_ppt_path, class: "out"
  and, in config/initializers/mime_types.rb: 
   Mime::Type.register "application/pptx", :pptx
  

Resize Images
 https://www.reduceimages.com

Deploy Rails App on Ubuntu Server 
 use the rightmost option, allow ssl certificate
 https://gorails.com/setup/ubuntu/16.04
 https://www.phusionpassenger.com/library/walkthroughs/deploy/ruby/
 
Convert Image to Icon
 http://icoconvert.com/


ADDING CUSTOM ERROR PAGES
https://medium.com/@tair/custom-error-pages-in-rails-you-re-doing-it-wrong-ba1d20ec31c0