Ruby on the Web - Speaker Deck

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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

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Git

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git clone REPO_URL # make changes… git status git commit -am “Commit message” git push

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cd /vagrant/projects/jukebox-sinatra git pull #updates repo state git checkout workshop #switches branch Let’s type!

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git config --global user.email "[email protected]" git config --global user.name "user random"

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TIP: Use it in your thesis always ;) https://education.github.com

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Tests

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“Code without tests is bad code. ” - Michael C. Feathers Working Effectively with Legacy Code

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Unit Tests Integration Tests Acceptance Tests Smoke / Mutation / Stress TDD / BDD

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TIP: Use it in your thesis always ;) http://betterspecs.org/

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Web Dev

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Blocks

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some_method do |param| param * 2 end

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Sinatra

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Time to code! Exercise #0 Hello, world! @ Sinatra https://trello.com/b/ziGtcloe/day-2-user-stories

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ERB

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<%= artist.name %>

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html = “

” html << artist.name html << “

”

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get “/” do erb :”home/show” end

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Persistence

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class Artist include Mongoid::Document field :name, :type => String embeds_many :songs end

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> a = Artist.create(:name => “Billy Strayhorn”) #=> #

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> Artist.where(:name => “Duke Ellington”).first #=> #

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post “/artist” do artist = Artist.create(params) redirect “/artists” end

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Heroku

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$ heroku login $ heroku create $ bin/set_mongolab_in_heroku $ git push heroku workshop:master $ heroku logs -t

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