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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...
Fixed stroke width in SVG
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edited May 12 '16 at 18:55
Zach Saucier
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an...
Python Threading String Arguments
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305
You're trying to create a tuple, but you're just parenthesizing a string :)
Add an extra ',':
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Capitalize or change case of an NSString in Objective-C
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answered Apr 7 '11 at 19:52
RegexidentRegexident
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How to search in array of object in mongodb
... is:
db.users.find({awards: {$elemMatch: {award:'National Medal', year:1975}}})
$elemMatch allows you to match more than one component within the same array element.
Without $elemMatch mongo will look for users with National Medal in some year and some award in 1975s, but not for users with Nati...
How to document a string type in jsdoc with limited possible values
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5 Answers
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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 ...