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@kudojp(Daiki Kudo)

Ruby & Rails チートシート

Posted at

Rubyの論理値の評価

  • A && B
    true(nil, flase以外)が現れたら終わりでそれが論理値になる
  • A || B
    false(nilかfalse)が現れたら終わりでそれが論理値になる

特定のtest methodのみを走らせる

$ rails test test/integration/users_login_test.rb   TESTOPTS="--name test_login_with_valid_information"

本番デプロイ先のURLを確認できる

$ heroku info
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