Ruby on the web (ruby@uniovi workshop)

Slides

Day 2 slides from ruby@uniovi, a 2-day workshop which was held in the University of Oviedo (Spain), from 4th to 6th March 2015.

During day 2 students enjoyed a hands-on lab oriented towards web development. Sample app and assignments are freely available at https://github.com/ruby-uniovi/jukebox-sinatra

All workshop materials are available at https://github.com/ruby-uniovi

Transcript

1. Ruby on the web Ruby: from 0 to 100 in 14400 seconds (2) ruby@uniovi: Introducing the Ruby programming language School of Computer Sciences University of Oviedo March 2015
2. Git
3. git clone REPO_URL # make changes… git status git commit -am “Commit message” git push
4. cd /vagrant/projects/jukebox-sinatra git pull #updates repo state git checkout workshop #switches branch Let’s type!
5. git config --global user.email "a@b.com" git config --global user.name "user random"
6. TIP: Use it in your thesis always ;) https://education.github.com
7. Tests
8. “Code without tests is bad code. ” - Michael C. Feathers Working Effectively with Legacy Code
9. Unit Tests Integration Tests Acceptance Tests Smoke / Mutation / Stress TDD / BDD
10. TIP: Use it in your thesis always ;) http://betterspecs.org/
11. Web Dev
15. Blocks
16. some_method do |param| param * 2 end
17. Sinatra
18. Time to code! Exercise #0 Hello, world! @ Sinatra https://trello.com/b/ziGtcloe/day-2-user-stories
20. ERB
21. <ul> <% @artists.each do |artist| %> <li><%= artist.name %></li> <% end %> </ul>
22. html = “<ul>” @artists.each do |artist| html << “<li>” html << artist.name html << “</li>” end html << “</ul>”
23. get “/” do erb :”home/show” end
27. Persistence
29. class Artist include Mongoid::Document field :name, :type => String embeds_many :songs end
30. > a = Artist.create(:name => “Billy Strayhorn”) #=> #<Artist … name: “Billy Strayhorn”>
31. > Artist.where(:name => “Duke Ellington”).first #=> #<Artist … name: “Duke Ellington”>
32. post “/artist” do artist = Artist.create(params) redirect “/artists” end
34. Heroku
36. $ heroku login $ heroku create $ bin/set_mongolab_in_heroku $ git push heroku workshop:master $ heroku logs -t
37. & Rails?
38. To learn more...
40. https://github.com/ruby-uniovi
41. Happy hacking! :-) Tw: @pablorc @varezhh @dg_suarez @dcarral