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Why does MYSQL higher LIMIT offset slow the query down?
... FROM mytable
ORDER BY
id
LIMIT 10000, 30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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Combine multiple Collections into a single logical Collection?
Assume, I have a constant number of collections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only).
I'm using guava collections and I wonder how I could use guava iterables/iterators to ...
Display clearColor UIViewController over UIViewController
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edited Apr 4 '16 at 13:02
answered Oct 15 '14 at 16:21
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SignalR: Why choose Hub vs. Persistent Connection?
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edited Jul 20 '17 at 12:13
ColinE
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Command-line Tool to find Java Heap Size and Memory Used (Linux)?
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153
Each Java process has a pid, which you first need to find with the jps command.
Once you have ...
How to auto-indent code in the Atom editor?
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chetan92
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answered Mar 26 '14 at 12:39
Nacho L.Nacho L....
Live-stream video from one android phone to another over WiFi
...the unofficially supported MPEG2TS format, suitable for streaming (Android 3.0+)
mMediaRecorder.setOutputFormat(8);
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
mediaRecorder.setOutputFile(pfd.getFileDescripto...
How do I grant myself admin access to a local SQL Server instance?
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edited May 30 '19 at 14:52
Jim G.
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Checking to see if a DateTime variable has had a value assigned
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The only way of having a variable which hasn't been assigned a value in C# is for it to be a loc...
Java multiline string
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edited Dec 1 '17 at 12:34
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