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MIN/MAX vs ORDER BY and LIMIT
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130
In the worst case, where you're looking at an unindexed field, using MIN() requires a single f...
Big O of JavaScript arrays
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110
NOTE: While this answer was correct in 2012, engines use very different internal representatio...
INSERT with SELECT
... syntax.
INSERT INTO courses (name, location, gid)
SELECT name, location, 1
FROM courses
WHERE cid = 2
You can put a constant of the same type as gid in its place, not just 1, of course. And, I just made up the cid value.
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SQL to determine minimum sequential days of access?
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19 Answers
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Google Maps V3 - How to calculate the zoom level for a given bounds
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11 Answers
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Getting “unixtime” in Java
Date.getTime() returns milliseconds since Jan 1, 1970. Unixtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
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Find maximum value of a column and return the corresponding row values using Pandas
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11 Answers
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How to find my Subversion server version number?
I want to know if my server is running Subversion 1.5.
18 Answers
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