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Merge pull request #23861 from chashmeetsingh/patch-1

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Updated file documentation [ci skip]
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प्रथमेश Sonpatki 2016-02-24 23:17:18 +05:30
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guides/source/caching_with_rails.md
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@ -523,7 +523,7 @@ end
### A note on weak ETags
Etags generated by Rails are weak by default. Weak etags allow symantically equivalent responses to have the same etags, even if their bodies do not match exactly. This is useful when we don't want the page regenerated for minor changes in response body. If you absolutely need to generate a strong etag, it can be assigned to the header directly.
Etags generated by Rails are weak by default. Weak etags allow symantically equivalent responses to have the same etags, even if their bodies do not match exactly. This is useful when we don't want the page to be regenerated for minor changes in response body. If you absolutely need to generate a strong etag, it can be assigned to the header directly.
```ruby
response.add_header "ETag", Digest::MD5.hexdigest(response.body)