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Undefind method map in mail catcher1/24/2024 If you have any problems, please comment below. I hope the information in this article will be helpful to you. Protection - select 14x options Messaging Gateway - select 10x options Mail Security For Microsoft Exchange - select 7x options Next, under Products. It is because you only declared filteredList, so it starts inside the map function with a value of undefined. This article has shown how to fix âmap() method returns undefinedâ. ⢠thisValue: A value passed to the function to be used as this value. After setting up mailer (3.2.6) in Ruby on rails (3.2.6) I get this error: NoMethodError (undefined method mail' for ): my usermailer.rb looks like this: class UserMailer < ActionMailer::Base default :from > '' def activationmail (user) user user mail (:to > user. The dig method The dig method can be used on hashes (and Arrays) to, as its name suggests, dig through the potential multiple layers in the object and retrieve the value corresponding to the argument provided to the method.
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