Reading the Rails source code is like looking at the score of a Bach sonata or partita In the last month or two, there have been many great commits to Rails. Last week alone we saw: 0306f82 - implements automatic EXPLAIN logging for slow queries and a382d60 - ActiveRecord::Relation#pluck method. There were also many other useful commits that didn't get so much attention, such as 562583c, 85b64f9,
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