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Optimal way to concatenate/aggregate strings
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+50
SOLUTION
The definition of optimal can vary, but here's how to concatenate strings from different rows using regular Transact SQL, wh...
Where does mongodb stand in the CAP theorem?
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106
MongoDB is strongly consistent by default - if you do a write and then do a read, assuming the ...
How do I access the request object or any other variable in a form's clean() method?
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answered Jun 29 '09 at 10:36
Daniel RosemanDaniel Roseman
521k5151 gold badges699699 silver badges746746 bronze badges
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Class does not implement its superclass's required members
...quired init(coder aDecoder: NSCoder!) {
foo = "some string"
bar = 9001
super.init(coder: aDecoder)
}
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What's the difference between a 302 and a 307 redirect?
What's the difference between a 302 FOUND and a 307 TEMPORARY REDIRECT HTTP response?
9 Answers
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How can I get a side-by-side diff when I do “git diff”?
... like to use
# side-by-side diff with custom options:
# /usr/bin/sdiff -w200 -l "$2" "$5"
# using kdiff3 as the side-by-side diff:
# /usr/bin/kdiff3 "$2" "$5"
# using Meld
/usr/bin/meld "$2" "$5"
# using VIM
# /usr/bin/vim -d "$2" "$5"
you then need to make that script executable:
chmod a+x...
Variable declaration placement in C
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answered Nov 13 '08 at 21:47
mipadimipadi
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Why does MYSQL higher LIMIT offset slow the query down?
... FROM mytable
ORDER BY
id
LIMIT 10000, 30
) q
JOIN mytable t
ON t.id = q.id
See this article:
MySQL ORDER BY / LIMIT performance: late row lookups
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Combine multiple Collections into a single logical Collection?
... }
@Override
public int size() {
int ct = 0;
for (final Collection<? extends E> coll : items) {
ct += coll.size();
}
return ct;
}
@Override
public Object[] toArray() {
thro...