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MySQL: Invalid use of group function

... Backrub32 7711010 silver badges3131 bronze badges answered Feb 25 '10 at 0:59 rjhrjh 45.1k33...
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How to make an immutable object in Python?

..."b"]) It does not solve the problem that attributes can be accessed via [0] etc., but at least it's considerably shorter and provides the additional advantage of being compatible with pickle and copy. namedtuple creates a type similar to what I described in this answer, i.e. derived from tuple an...
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Is there any way to create a blank solution (.sln) file first and then add projects?

... | edited Jul 27 '10 at 16:34 Allen Rice 17.5k1313 gold badges7676 silver badges111111 bronze badges ...
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Loop through Map in Groovy?

...| edited Sep 19 '17 at 13:07 answered Apr 5 '12 at 23:23 Ja...
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what is the difference between ?:, ?! and ?= in regex?

... 160 The difference between ?= and ?! is that the former requires the given expression to match and t...
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How do I get the key at a specific index from a Dictionary in Swift?

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Javascript reduce on array of objects

... | edited Aug 30 '17 at 14:05 answered Apr 20 '11 at 14:34 ...
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How to get min/max of two integers in Postgres/SQL?

... 306 Have a look at GREATEST and LEAST. UPDATE my_table SET my_column = GREATEST(my_column - 10, 0)...
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Python Dictionary to URL Parameters

... | edited Apr 6 '16 at 5:09 xiº 3,85833 gold badges2020 silver badges3636 bronze badges answered Aug 5...
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How to test if one java class extends another at runtime?

... answered Aug 17 '10 at 16:48 meritonmeriton 59.3k1313 gold badges9393 silver badges156156 bronze badges ...