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[Ruby] [Rails] design import method

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What is # devise One of the gem (library) that can easily implement the authentication function to the application created with Rails Create login func...

[Ruby] [Rails] Add column to devise

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Why did you write If you create a user authentication with devise, you will have an email and password from the beginning, but you need a name to register a...

[Java] How to respond when JSF tags are not HTML

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-Environment -CentOS Linux release 7.8.2003 (Core) -Payara Server 5.194 -Eclipse IDE for Enterprise Java Developers.Version: 2020-03 (4.15.0)

[Ruby] Different use of redirect_to and render

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Overview If you use scaffold in Rails, the create action will be as follows. When saving is successful, redirect_to is used, and when page transition fails,...