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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then retrieve the row from the h...
Custom attributes in styles.xml
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edited Jan 26 '18 at 15:35
answered Jul 29 '11 at 3:23
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Are there any downsides to enabling git rerere?
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answered Apr 2 '11 at 5:59
MatrixFrogMatrixFrog
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What limits does scala place on the “acceptable complexity” of inferred types?
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retronymretronym
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Inserting a Link to a Webpage in an IPython Notebook
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Python “raise from” usage
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edited Jul 7 '19 at 23:56
answered Jul 15 '14 at 7:44
Ma...
Convert a char to upper case using regular expressions (EditPad Pro)
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edited Aug 15 '17 at 18:58
George Stocker
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How to change the map center in Leaflet.js
...aulo Rodrigues
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Apply CSS styles to an element depending on its child elements
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edited Apr 2 '17 at 7:58
Nisse Engström
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Why and not taking font-family and font-size from body?
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