What one unknown/uncommon knowledge greatly helps you in _____ language?

Posted by Kerry on Stack Overflow See other posts from Stack Overflow or by Kerry
Published on 2010-05-25T19:16:16Z Indexed on 2010/05/25 19:21 UTC
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subjective

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programming-languages

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language

I seem to keep running into little tidbits that help drastically in different areas of different languages.

For instance, a few days ago I learned about EXPLAIN SELECT... for any MySQL query that seems to be going slow. It took my 196 second query to 0.0084 seconds.

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