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How important is the order of columns in indexes?
...
Look at an index like this:
Cols
1 2 3
-------------
| | 1 | |
| A |---| |
| | 2 | |
|---|---| |
| | | |
| | 1 | 9 |
| B | | |
| |---| |
| | 2 | |
| |---| |
| | 3 | |
|---|---| |
See how restricting on A first, as your...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
... This clock wraps around once it tops out (this typically happens after ~2^32 ticks, which is not very long for a 1 MHz clock). man clock says that since glibc 2.18 it is implemented with clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) in Linux.
clock_gettime(CLOCK_MONOTONIC, ...) provides nanosecond ...
Declaration/definition of variables locations in ObjectiveC?
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NolanDC
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answered Sep 28 '12 at 1:38
DrummerBDrummerB
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What is the usefulness of PUT and DELETE HTTP request methods?
...source with that URI …
For the full specification visit:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hij...
What does the “|” (single pipe) do in JavaScript?
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Anto
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answered Jun 1 '11 at 0:16
SLaksSLaks
770...
How to remove a package in sublime text 2
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answered May 12 '13 at 7:14
skurodaskuroda
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How to reference style attributes from a drawable?
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163
In my experience it is not possible to reference an attribute in an XML drawable.
In order to ma...
Styling text input caret
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answered May 4 '15 at 13:43
Nestor BritezNestor Britez
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What is jQuery Unobtrusive Validation?
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KyleMit
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answered Jul 18 '12 at 6:00
bertlbertl
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Which access modifiers are implied when not specified?
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answered Dec 20 '13 at 6:20
basaratbasarat
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