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Efficient paging in SQLite with millions of records
... *
FROM MyTable
WHERE SomeColumn > LastValue
ORDER BY SomeColumn
LIMIT 100;
(This is explained with more detail on the SQLite wiki.)
When you have multiple sort columns (and SQLite 3.15 or later), you can use a row value comparison for this:
SELECT *
FROM MyTable
WHERE (SomeColumn, OtherColum...
Escaping a forward slash in a regular expression
...|
edited Jul 24 '15 at 4:20
nhahtdh
51.7k1313 gold badges110110 silver badges146146 bronze badges
answer...
Xcode 4 - detach the console/log window
...
– Kendall Helmstetter Gelner
Apr 18 '11 at 17:30
2
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Difference between std::system_clock and std::steady_clock?
...
From N3376:
20.11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which ...
SQL Group By with an Order By
...
200
In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias...
How to get JQuery.trigger('click'); to initiate a mouse click
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You need to use jQuery('#bar')[0].click(); to simulate a mouse click on the actual DOM element (not the jQuery object), instead of using the .trigger() jQuery method.
Note: DOM Level 2 .click() doesn't work on some elements in Safari. You will need to use...
How can I change a file's encoding with vim?
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answered Apr 22 '09 at 16:25
Brian AgnewBrian Agnew
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Xcode 4.2 - declaration of '…' will not be visible outside of this function warning
...ability.h
– brainray
Feb 24 '12 at 10:05
8
#include, not #import. Due to subtle differences betwe...
Python memory usage of numpy arrays
...mport numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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