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Difference between hard wrap and soft wrap?
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Firas AssaadFiras Assaad
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add a com...
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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How to execute ipdb.set_trace() at will while running pytest tests
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154
The error is raised because of py.test capturing output.
You should run py.test with -s option...
How do I use a file grep comparison inside a bash if/else statement?
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205
From grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 otherw...
How do I vertically center UITextField Text?
...gebirgsbärbel
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answered Mar 25 '11 at 23:22
RogerRoger
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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 ...
Can I set a breakpoint on 'memory access' in GDB?
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5 Answers
5
Active
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Rails: create on has_one association
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answered Oct 1 '10 at 13:59
sepp2ksepp2k
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How to show git log history for a sub directory of a git repo?
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254
From directory foo/, use
git log -- A
You need the '--' to separate <path>.. from th...