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MySQL SELECT WHERE datetime matches day (and not necessarily time)

... if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25. ...
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How do I calculate the normal vector of a line segment?

... 243 if we define dx=x2-x1 and dy=y2-y1, then the normals are (-dy, dx) and (dy, -dx). Note that no ...
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How can I initialize an ArrayList with all zeroes in Java?

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Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?

... 163 setValue:forKey: is part of the NSKeyValueCoding protocol, which among other things, lets you ac...
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What is the difference between setUp() and setUpClass() in Python unittest?

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What is a Context Free Grammar?

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Are multiple `.gitignore`s frowned on?

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Bower and devDependencies vs dependencies

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CSS filter: make color image with transparency white

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Common MySQL fields and their appropriate data types

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