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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
...le/gems/ruby/1.9.1/gems/railties-3.0.7/lib/ rails/railtie/configuration.rb:77:in method_missing': undefined method action_mailer' for #<Rails: :Application::Configuration:0x0000000241f760> (NoMethodError)
– Laran Evans
May 12 '11 at 5:39
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Fermi paradox
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How do I delete an exported environment variable?
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Java String split removed empty values
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