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How can I select rows with most recent timestamp for each key value?
...oila, you got the latest entry per sensor.
http://sqlfiddle.com/#!9/45147/37
SELECT L.* FROM sensorTable L
LEFT JOIN sensorTable R ON
L.sensorID = R.sensorID AND
L.timestamp < R.timestamp
WHERE isnull (R.sensorID)
But please note, that this will be very resource intensive if you have a little...
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Thread.Sleep replacement in .NET for Windows Store
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12
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Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes....