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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
... customer you can see your unique keys are in fact B-tree type indexes.
A composite index on (email, user_id) is enough, you don't need a separate index on email only - MySQL can use leftmost parts of a composite index. There may be some border cases where the size of an index can slow down your qu...
Window Height=“Auto” not working as expected
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community wiki
5 revs, 5 users 29%Muad'Dib
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Is putting a div inside an anchor ever correct?
...e is not XML-validatable. I think that DTD expresses the intentions of the committee pretty well, so I'd say: No.
– Carl Smotricz
Dec 1 '09 at 19:18
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Html5 data-* with asp.net mvc TextboxFor html attributes
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Assign same value to multiple variables at once?
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Is there a best practice for generating html with javascript
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JQuery templating appears to be dead, see stackoverflow.com/questions/7911732/…
– James McMahon
Apr 22 '13 at 20:26
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Rails: Default sort order for a rails model?
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community wiki
23 revs, 4 users 82%Michael Durrant
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Why is '397' used for ReSharper GetHashCode override?
...r or zeroes and ones, preferably without explicit patterns. 397=110001101b complies. Still not sure about magnitude.
– Andriy K
Mar 18 '15 at 13:45
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How to add a 'or' condition in #ifdef
...uld work. :)
#ifdef is a bit less typing, but doesn't work well with more complex conditions
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