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PostgreSQL DISTINCT ON with different ORDER BY
...approaches:
The general solution that should work in most DBMSs:
SELECT t1.* FROM purchases t1
JOIN (
SELECT address_id, max(purchased_at) max_purchased_at
FROM purchases
WHERE product_id = 1
GROUP BY address_id
) t2
ON t1.address_id = t2.address_id AND t1.purchased_at = t2.max_pur...
Escape single quote character for use in an SQLite query
...abases expect it that way), so it would be :
INSERT INTO table_name (field1, field2) VALUES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two ...
git -> show list of files changed in recent commits in a specific directory
...es -- for details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.log.html
4 Answers
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how to view the contents of a .pem certificate
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143
Use the -printcert command like this:
keytool -printcert -file certificate.pem
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How do I break a string across more than one line of code in JavaScript?
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10 Answers
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Are different ports on the same server considered cross-domain? (Ajax-wise)
Can XMLHttpRequest send a request to http:// mydomain.com:81/ from http:// mydomain.com/ ?
1 Answer
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Why is Attributes.IsDefined() missing overloads?
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1 Answer
1
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PHP namespaces and “use”
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170
The use operator is for giving aliases to names of classes, interfaces or other namespaces. Mo...
Java resource as file
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answered Mar 24 '09 at 7:18
Jon SkeetJon Skeet
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Git On Custom SSH Port
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edited Nov 12 '14 at 10:07
Trufa
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