Rails 4.2和postgres-無法更新屬性,可能是原因? [英]Rails 4.2 and postgres - cannot update an attribute, possible reasons?
是否可以在 rails 4.2 中使用 shrine 3.0? 以便我們可以立即更換回形針 [英]Is it possible to use shrine 3.0 in rails 4.2? so that we could replace paperclip immediately
正確配置Heroku上的Rails 4.2應用程序的Postgres數據庫 [英]Correctly configuring a Postgres DB for a Rails 4.2 app on Heroku