- err.the_blog.find_by_title(‘Be Dee Dee and Me’) — Nice introduction to test::spec from Chris; need to re-read this at some point.
Tagged as: testing bdd rails ruby rspec testspec - How to find the max row per group in SQL without subqueries – Xaprb — As with so many other SQL challenges, if you re-phrase the question, it’s easy to select the maximum or minimum row per group without subqueries. The key is to understand what you want, and to be able to word the problem in a way that translates from En
Tagged as: sql mysql database programming performance howto