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Can PostgreSQL index array columns?
...REATE TABLE "Test"("Column1" int[]);
INSERT INTO "Test" VALUES ('{10, 15, 20}');
INSERT INTO "Test" VALUES ('{10, 20, 30}');
CREATE INDEX idx_test on "Test" USING GIN ("Column1");
-- To enforce index usage because we have only 2 records for this test...
SET enable_seqscan TO o...
How can I round to whole numbers in JavaScript?
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What is the best way to do a substring in a batch file?
...however: Substrings are done using the :~start,length notation:
%var:~10,5%
will extract 5 characters from position 10 in the environment variable %var%.
NOTE: The index of the strings is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument v...
Extract substring using regexp in plain bash
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answered Nov 14 '12 at 4:54
Gilles QuenotGilles Quenot
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How to use MySQL DECIMAL?
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450
DOUBLE columns are not the same as DECIMAL columns, and you will get in trouble if you use DOUB...
How do you clone a BufferedImage
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KlarkKlark
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What's a redirect URI? how does it apply to iOS app for OAuth2.0?
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195
Read this:
http://www.quora.com/OAuth-2-0/How-does-OAuth-2-0-work
or an even simpler but quick...
How to change the playing speed of videos in HTML5?
How to change the video play speed in HTML5? I've checked video tag's attributes in w3school but couldn't approach that.Any help would be appreciated!
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'str' object does not support item assignment in Python
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105
In Python, strings are immutable, so you can't change their characters in-place.
You can, howev...