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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 SELECT to G...
Create a custom View by inflating a layout?
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answered Dec 1 '10 at 20:48
chubbsondubschubbsondubs
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Linux: compute a single hash for a given folder & contents?
...d xargs. One possible command would be
find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum
And, finally, if you also need to take account of permissions and empty directories:
(find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum;
find path/to/folder \( -typ...
R - Markdown avoiding package loading messages
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edited Aug 7 '18 at 21:10
answered Oct 26 '12 at 16:35
Yi...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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use labelpad parameter:
pl.xlabel("...", labelpad=20)
or set it after:
ax.xaxis.labelpad = 20
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How to RedirectToAction in ASP.NET MVC without losing request data
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edited Feb 7 '16 at 0:59
Markus Safar
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answ...
Perform Segue programmatically and pass parameters to the destination view
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107
The answer is simply that it makes no difference how the segue is triggered.
The prepareForSeg...
What is the right way to POST multipart/form-data using curl?
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edited May 20 '15 at 18:35
evandrix
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WPF text Wrap vs WrapWithOverflow
...brary/…
– blachniet
Aug 26 '12 at 0:17
3
I read this and am still not certain of the difference...
Call a global variable inside module
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410
You need to tell the compiler it has been declared:
declare var bootbox: any;
If you have bet...