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Using multiple let-as within a if-statement in Swift
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ROW_NUMBER() in MySQL
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I want the row with the single highest col3 for each (col1, col2) pair.
That's a groupwise maximum, one of the most commonly-asked SQL questions (since it seems like it should be easy, but actually it kind of isn't).
I often plump for a null-self-join:
SELECT t0....
mongodb group values by multiple fields
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How to keep keys/values in same order as declared?
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
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How to override trait function and call it from the overridden function?
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edited Feb 24 '17 at 21:33
Maciej Pyszyński
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Get distance between two points in canvas
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Igor ŠarčevićIgor Šarčević
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Can someone copyright a SQL query? [closed]
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No module named setuptools
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– rob
May 2 '16 at 19:53
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Debian/ubuntu: apt-get install -y python-setuptools
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How to randomly sort (scramble) an array in Ruby?
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Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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