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Diffstat (limited to 'guides/source/layouts_and_rendering.md')
| -rw-r--r-- | guides/source/layouts_and_rendering.md | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/guides/source/layouts_and_rendering.md b/guides/source/layouts_and_rendering.md index 71cc030f6a..9b7f916b9e 100644 --- a/guides/source/layouts_and_rendering.md +++ b/guides/source/layouts_and_rendering.md @@ -622,10 +622,13 @@ Another way to handle returning responses to an HTTP request is with `redirect_t redirect_to photos_url ``` -You can use `redirect_to` with any arguments that you could use with `link_to` or `url_for`. There's also a special redirect that sends the user back to the page they just came from: +You can use `redirect_back` to return the user to the page they just came from. +This location is pulled from the `HTTP_REFERER` header which is not guaranteed +to be set by the browser, so you must provide the `fallback_location` +to use in this case. ```ruby -redirect_to :back +redirect_back(fallback_location: root_path) ``` #### Getting a Different Redirect Status Code @@ -1154,14 +1157,12 @@ To pass a local variable to a partial in only specific cases use the `local_assi * `_articles.html.erb` ```erb - <%= content_tag_for :article, article do |article| %> - <h2><%= article.title %></h2> + <h2><%= article.title %></h2> - <% if local_assigns[:full] %> - <%= simple_format article.body %> - <% else %> - <%= truncate article.body %> - <% end %> + <% if local_assigns[:full] %> + <%= simple_format article.body %> + <% else %> + <%= truncate article.body %> <% end %> ``` |