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Grep not as a regular expression
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answered Feb 23 '12 at 15:50
Mr ListerMr Lister
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Determine what attributes were changed in Rails after_save callback?
...nd
end
Or if you prefer, saved_change_to_attribute?(:published).
Rails 3–5.1
Warning
This approach works through Rails 5.1 (but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can...
How to list of all the tables defined for the database when using active record?
... MySQL adapter, but is documented in the PostgreSQL adapter. SQLite/SQLite3 also has the method implemented, but undocumented.
>> ActiveRecord::Base.connection.tables
=> ["accounts", "assets", ...]
See activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb:21, ...
Is it possible to pull just one file in Git?
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edited Jan 1 '18 at 22:53
Peter Mortensen
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Storing WPF Image Resources
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answered Mar 3 '09 at 16:02
Drew NoakesDrew Noakes
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MySQL skip first 10 results
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edited May 23 '17 at 10:31
Community♦
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answered May 13 '10 at 13:17
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
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edited May 23 '17 at 12:16
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answered Jul 8 '13 at 15:17
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How to chain scope queries with OR instead of AND?
I'm using Rails3, ActiveRecord
19 Answers
19
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AJAX post error : Refused to set unsafe header “Connection”
...y (where 5 seconds is the keep-alive time).
– doug65536
Dec 15 '13 at 6:19
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How to refer environment variable in POM.xml?
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edited Jun 6 '18 at 19:31
rogerdpack
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an...