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Fast way to discover the row count of a table in PostgreSQL
... a table exists in a given schema
TABLESAMPLE SYSTEM (n) in Postgres 9.5+
SELECT 100 * count(*) AS estimate FROM mytable TABLESAMPLE SYSTEM (1);
Like @a_horse commented, the newly added clause for the SELECT command might be useful if statistics in pg_class are not current enough for some rea...
How to run a makefile in Windows?
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answered Mar 28 '10 at 7:50
Marcelo CantosMarcelo Cantos
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How to check if PHP array is associative or sequential?
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56 Answers
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AngularJS sorting by property
...w.
Example JSON:
{
"123": {"name": "Test B", "position": "2"},
"456": {"name": "Test A", "position": "1"}
}
Here is a fiddle which shows you the usage:
http://jsfiddle.net/4tkj8/1/
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shortcut for creating a Map from a List in groovy?
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epidemianepidemian
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How to change app name per Gradle build type
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How do you iterate through every file/directory recursively in standard C++?
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edited Sep 15 '08 at 23:36
answered Sep 15 '08 at 21:44
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Difference between final and effectively final
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235
... starting in Java SE 8, a local class can access local variables and parameters of the enc...
How to align checkboxes and their labels consistently cross-browsers
...s is the most voted answer by far in both positive and negative votes (+1035 -17), and it's still marked as accepted answer (probably because the original poster of the question is the one who wrote this answer).
As already noted many times in the comments, this answer does not work on most browsers...