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--- software:rails [2016/07/30 08:19] – locales and i18n Michele Porelli
+++ software:rails [2017/10/18 09:27] (current) – Michele Porelli
@@ Line 5: / Line 5: @@
 Theoretically everything should works fine and out of the box but problems are very common, especially with dates.\\
 I strongly suggest you to immediately add your local file from [[https://github.com/svenfuchs/rails-i18n/tree/master/rails/locale|here]]
+==== Find duplicates in the database ====
+<code>User.select(:first_name,:last_name).group(:first_name,:last_name).having("count(*) > 1").size</code>
 ===== Favourite gems =====
 ==== better_errors ====