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How do I find duplicates across multiple columns?

... answered Nov 16 '11 at 9:26 Michał PowagaMichał Powaga 19.7k66 gold badges4444 silver badges6060 bronze badges ...
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How can I do an UPDATE statement with JOIN in SQL Server?

... answered Aug 18 '09 at 11:44 EricEric 80.6k1010 gold badges108108 silver badges113113 bronze badges ...
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How can I use break or continue within for loop in Twig template?

...performance purposes. – Pathros Feb 11 '16 at 15:27 1 @pathros In order to get the first value, u...
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Test if object implements interface

... Andreas PeterssonAndreas Petersson 15.3k1111 gold badges5656 silver badges9090 bronze badges add a co...
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SELECT DISTINCT on one column

...sed a CTE here. – Mark Byers Dec 7 '11 at 9:13 leave out "AS" for oracle -> ...WHERE SKU LIKE 'FOO%') a WHERE a....
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Why aren't variable-length arrays part of the C++ standard?

... | edited Sep 2 '15 at 21:11 jchamp 17433 silver badges1111 bronze badges answered Dec 11 '09 at 10:28 ...
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Why don't Java Generics support primitive types?

... | edited Dec 18 '17 at 11:48 Michael 31.9k99 gold badges5252 silver badges9494 bronze badges answered...
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How to drop a table if it exists?

... answered Oct 25 '11 at 9:07 Martin SmithMartin Smith 389k7575 gold badges657657 silver badges761761 bronze badges ...
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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”

...ABLE `foo` ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `u` int(11) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `u` (`u`) ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1 mysql> insert into foo (u) values (10) on duplicate key update u = 20; mysql> select * from foo; +-...
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How do I get the YouTube video ID from a URL?

... 113 You don't need to use a regular expression for this. var video_id = window.location.search.sp...