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Diffstat (limited to 'guides/source/configuring.md')
| -rw-r--r-- | guides/source/configuring.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md index 9c0f2ddc8a..4fc1301e06 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -300,6 +300,8 @@ All these configuration options are delegated to the `I18n` library. `config/environments/production.rb` which is generated by Rails. The default value is true if this configuration is not set. +* `config.active_record.belongs_to_required_by_default` is a boolean value and controls whether `belongs_to` association is required by default. + The MySQL adapter adds one additional configuration option: * `ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns in a MySQL database to be booleans and is true by default. @@ -1049,3 +1051,23 @@ These configuration points are then available through the configuration object: Rails.configuration.x.super_debugger # => true Rails.configuration.x.super_debugger.not_set # => nil ``` + +Search Engines Indexing +----------------------- + +Sometimes, you may want to prevent some pages of your application to be visible +on search sites like Google, Bing, Yahoo or Duck Duck Go. The robots that index +these sites will first analyse the `http://your-site.com/robots.txt` file to +know which pages it is allowed to index. + +Rails creates this file for you inside the `/public` folder. By default, it allows +search engines to index all pages of your application. If you want to block +indexing on all pages of you application, use this: + +``` +User-agent: * +Disallow: / +``` + +To block just specific pages, it's necessary to use a more complex syntax. Learn +it on the [official documentation](http://www.robotstxt.org/robotstxt.html). |