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RoR vs-nodejs-by-jcskyting
- 2. Sky FB: jcsky.wang Ruby on Rails: 6 months Node.js: 1 week / 1 project jcskyting@gmail.com
- 3. WHY~?! • Ruby on Rails: AlphaCamp ihower • Node.js: front-end interview (javascript, full-stack)
- 4. Rails vs Node.js Ruby Rails Rails server engine / event driven gem include many many CRUD / DataBase / safe sync javascript express / koa / sails .. node.js npm any you want speed / realtime / anyway you want async
- 5. Rails vs Node.js Node.js is not framework.. express / koa / hapi / sails
- 6. Rails vs Node.js • javascript Debug (chrome console )
- 7. Rails vs Node.js • Node.js server log Debug
- 8. Rails error
- 9. Rails vs Node.js • Rails console debug
- 10. Rails vs Node.js • Rails method database code • : DB • : DataBase Event.joins(:category) # SELECT "events".* FROM "events" INNER JOIN "categories" ON "categories"."id" = "events"."category_id" Event.includes(:category, :attendees) # SELECT "events".* FROM "events" # SELECT "categories".* FROM "categories" WHERE "categories"."id" IN (1,2,3...) # SELECT "attendees".* FROM "attendees" WHERE "attendees"."event_id" IN (4, 5, 6, 7, 8...)
- 11. Rails vs Node.js • not only Ruby, numerous Rails helper method html <%= render :partial => 'form', :locals => { :f => f } %> form <%= form_for @event, :url => { :controller => 'events', :action => 'update', :id => @event } do |f| %> <%= f.textarea :description, :class=>”w100p”, :rows =>10 %> <%= f.submit "Update" %> <% end %> controller method before_action :set_event, :only => [ :show, :edit, :update, :destroy] session read/write session[:hahaha]
- 12. Rails vs Node.js • Rails have some Security Design ( ) CSRF(Cross-site request forgery) Rails CSRF POST HTML: <input type="hidden" name="authenticity_token" value="zFGT +TiykMj7Tsip3sY5G7iELupGD3BttZ8x6F2diThGOVH9+nEoXxkeLOhuLx9kGaWRoOh ZuwY+OXzXU3EevA=="> Parameters: {"utf8"=>"✓", "authenticity_token"=>"HC4eVH/ wdojRqSJFk8xYdobZPByVTFkh2WiCbK6HYb+WRtxQvTPOHzP5xgQjJX4JJ/ iDVjsakkpSzs9ToGv2Ow==", "issue"=>{"title"=>"yaya", "description"=>"what the fuck"}, "commit"=>" "}
- 13. Rails vs Node.js • Rails have some Security Design( ) XSS(Cross-Site Scripting) Script <script> <script> Rails HTML
- 14. Rails vs Node.js • Rails have some Security Design( ) log ( ) Processing UsersController#create (for 127.0.0.1 at 2009-01-02 11:02:33) [POST] Parameters: {"user"=>{"name"=>"susan", "password_confirmation"=>"[FILTERED]", "password"=>"[FILTERED]"}, "commit"=>"Register", "action"=>"create", "authenticity_token"=>"9efc03bcc37191d8a6dc3676e2e7890ecdfda0b5", "controller"=>"users"}
- 16. gem vs npm • ~?!! npm.count !!
- 17. Rails intro MVC Model-View-Control route.rb HTTP request GET /users/1 Browser UsersController end def show @user = User.find(params[:id]) respond_to do |format| format.html format.xml end end def index ...... end Model Database #show.html.erb <html> <h1>User Profile</h1> <p><%= @user.nickname %></p> </html> View Controller Action
- 18. Rails intro Rails ? • Justin Gehtland Java :Rails = 3.5 : 1 • Proc.net PHP : Rails = 10 : 1 • JavaEye JAVA : Rails = 10 : 1 • thegiive PHP : Rails = 8 : 1
- 19. Rails vs Node.js Ruby Rails Rails server engine / event driven gem include many many CRUD / DataBase / safe javascript express / koa / sails .. node.js npm any you want speed / realtime / anyway you want
- 20. in the future Real Time App / Web