4 Rails Ruby #Rails

http://railstutorial.jp/

Rails

by YassLab

Slideshare

http://www.slideshare.net/yasulab/presentations

Cloud9

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https://ide.c9.io/yasulab/rails-tutorial

https://rails-tutorial-yasulab.c9users.io/

URL “Collaborate” → “Group Chat”

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!

4 Rails Ruby #Rails

http://railstutorial.jp/

Rails

by YassLab

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4. Rails (Controller / User)

4 Rails Ruby 4.1

http://railstutorial.jp/

Rails

by YassLab

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4 Rails Ruby 4.2 (string)

http://railstutorial.jp/

Rails

by YassLab

:

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4 Rails Ruby 4.3

http://railstutorial.jp/

Rails

by YassLab

• [“foo”, “bar”, “baz”] (0..9).to_a # => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

• (1..5).each { |i| puts 2 * i } => 2 4 6 8 10

• h1 = { :name => “Yohei”, :email => “a@b.c” } h2 = { name: “Yohei”, email: “a@b.c” }

4.3.

4 Rails Ruby 4.4 Ruby

http://railstutorial.jp/

Rails

by YassLab

• : String, Fixnum, Hash, Array, …

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4 Rails Ruby #Rails

http://railstutorial.jp/

Rails

by YassLab