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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...RT INTO testtable (id, somedata)
SELECT 2, 'blah'
WHERE NOT EXISTS (SELECT 1 FROM testtable WHERE testtable.id = 2);
COMMIT;
then when two run at once there are several failure modes. One is the already discussed issue with an update re-check. Another is where both UPDATE at the same time, matchin...
How can I change my default database in SQL Server without using MS SQL Server Management Studio?
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How to use getJSON, sending data with post method?
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The $.getJSON() method does an HTTP GET and not POST. You need to use $.post()
$.post(url, da...
SQL Server: Get table primary key using sql query [duplicate]
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Yank file name / path of current buffer in Vim
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210
TL;DR
:let @" = expand("%")>
this will copy the file name to the unamed register, then you...
Why would you ever implement finalize()?
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Delete all files in directory (but not directory) - one liner solution
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Import regular CSS file in SCSS file?
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What is the best way to profile javascript execution? [closed]
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edited Nov 23 '16 at 17:48
T.Todua
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How to get hosting Activity from a view?
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edited Feb 18 '19 at 9:35
Vadim Kotov
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