Dynamic Rails Error Pages

Normally, 404 and 500 error pages are static HTML files that live in the public directory of a Rails application. These are boring, minimally-styled pages that don’t get the same treatment as the rest of the app. This tutorial shows you how to move error pages into your Rails app as dynamic views that benefit from application styles, layouts, and view helpers. tl;dr – jump to the Rails code and th

[tricknotes]

Rails から 404 などのエラーページを動的に返す方法。いままで見た中で一番クールな方法だった。

[qpSHiNqp]

herokuのときに役立った。