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GROUP_CONCAT ORDER BY
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You can use ORDER BY inside the GROUP_CONCAT function in this way:
SELECT li.client_id, group_concat(li.percentage ORDER BY li.views ASC) AS views,
group_concat(li.percentage ORDER BY li.percentage ASC)
FROM li GROUP BY cli...
Access “this” from Java anonymous class
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answered Jul 5 '09 at 14:07
Mykola GolubyevMykola Golubyev
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How to change int into int64?
Im trying to convert an integer into an integer64 in go but im having no luck. Anyone know an easy way to do this?
3 Answer...
What is ?= in Makefile
... indicates to set the KDIR variable only if it's not set/doesn't have a value.
For example:
KDIR ?= "foo"
KDIR ?= "bar"
test:
echo $(KDIR)
Would print "foo"
GNU manual: http://www.gnu.org/software/make/manual/html_node/Setting.html
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django - query filter on manytomany is empty
In Django is there a way to filter on a manytomany field being empty or null.
2 Answers
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Calling static generic methods
I have come across a curious situation involving static generic methods. This is the code:
1 Answer
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Python Flask Intentional Empty Response
Is there a way to return a response (from make_response() object or similar) with certain properties so that it doesn't render the page again and doesn't do anything else either. I am trying to run a code on the server without generating any output
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How do you determine which backend is being used by matplotlib?
Either interactively, such as from within an Ipython session, or from within a script, how can you determine which backend is being used by matplotlib?
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Haskell export current module with additional imported module
Is it possible to write a module in Haskell, which re-exports a module in addition to exporting everything visible inside?
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C++ template typedef
... generalization of typedef, allowing templates:
template <size_t N>
using Vector = Matrix<N, 1>;
The type Vector<3> is equivalent to Matrix<3, 1>.
In C++03, the closest approximation was:
template <size_t N>
struct Vector
{
typedef Matrix<N, 1> type;
};...