Help us understand the problem. What is going on with this article?

「find_by」の所「find」じゃダメなの?

More than 1 year has passed since last update.

find_by→findにしたら

@current_user ||= User.find_by(id: session[:user_id])

@current_user ||= User.find(session[:user_id])

エラーになった。

理由

どちらもnil→
その後の処理の仕方が違う。
image.png

oyaken0717
https://mobile.twitter.com/oyaken0717
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