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Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SE...
Escape a dollar sign in string interpolation
...ng about this in the documentation. There is a PR to add it though: github.com/scala/docs.scala-lang/pull/1531
– amoebe
Sep 25 '19 at 17:12
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windows batch SET inside IF not working
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Chrome Dev Tools - Modify javascript and reload
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How to make an ImageView with rounded corners?
...owing code to manually round the corners of your images.
http://www.ruibm.com/?p=184
This isn't my code, but I've used it and it's works wonderfully. I used it as a helper within an ImageHelper class and extended it just a bit to pass in the amount of feathering I need for a given image.
Final co...
How do I resolve cherry-pick conflicts using their changes?
...s, so make this:
git cherry-pick --strategy=recursive -X theirs {Imported_Commit}
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How to percent-encode URL parameters in Python?
... wanna retain the colon from http: , do urllib.parse.quote('http://example.com/some path/').replace('%3A', ':')
– nuttynibbles
May 9 '19 at 7:27
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How can I make a JUnit Test wait?
... If you are using code analysis tools like sonarqube they will complain about Thread.sleep saying something like Using Thread.sleep in a test is just generally a bad idea. It creates brittle tests that can fail unpredictably depending on environment ("Passes on my machine!") or load. Do...
how to add script src inside a View when using Layout
...> and not in the head at all. Old but relevant reading: developer.yahoo.com/blogs/ydn/posts/2007/07/high_performanc_5
– MikeSmithDev
Jan 11 '13 at 19:15
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MySQL: Sort GROUP_CONCAT values
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Sure, see http://dev.mysql.com/doc/refman/...tions.html#function_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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