Difference between render and redirect_to

render Returns view

redirect_to Go to routes and search for routes that correspond to the argument

→ As a usage, I want to process "I want to run error processing on the controller when an error occurs" or "I do not want to display it in the view, but I want to run the action of the controller internally" Sometimes used.

References

https://qiita.com/january108/items/54143581ab1f03deefa1

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