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How can I generate a diff for a single file between two branches in github
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Difference between hard wrap and soft wrap?
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Firas AssaadFiras Assaad
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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 does Activity.finish() work in Android?
... with Android 2.3.6... see my question at stackoverflow.com/questions/13928591/… plz help!!!
– Amit
Dec 21 '12 at 6:06
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Working with Enums in android
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345
Where on earth did you find this syntax? Java Enums are very simple, you just specify the values...
Is GridFS fast and reliable enough for production?
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How can I check if multiplying two numbers in Java will cause an overflow?
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bcoughlanbcoughlan
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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 ...