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HTML 5: Is it , , or ?
...optional?
– Eikern
Dec 22 '09 at 13:51
69
I love the way the specification isn't particularly spe...
Are “elseif” and “else if” completely synonymous?
... example for reference php.net/manual/en/control-structures.elseif.php#115851
– WhyAyala
Aug 10 '17 at 14:44
With alte...
Visual Studio popup: “the operation could not be completed”
... can be found here. developercommunity.visualstudio.com/content/problem/134518/…
– Leon Degeling
Apr 12 '18 at 20:53
...
How to calculate the CPU usage of a process by PID in Linux from C?
...
151
You need to parse out the data from /proc/<PID>/stat. These are the first few fields (fr...
Weird “[]” after Java method signature
...yes bleed.
– Cowan
Jan 15 '11 at 18:51
...
MySQL - why not index every field?
...ian Roach
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11
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...llback
– turbanoff
Sep 28 '15 at 12:51
1
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Accessing the web page's HTTP Headers in JavaScript
...
Randy
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answered Feb 3 '11 at 1:26
RajaRaja
3,90511 gold badge1111 ...
How can I select rows with most recent timestamp for each key value?
...ll. Voila, 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 l...
Elegant Python function to convert CamelCase to snake_case?
...p (mean ± std. dev. of 7 runs, 100000 loops each) but for this response 2.51 µs ± 25.5 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) which is 2.5x times faster! Love this!
– WBAR
Mar 20 at 17:10
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