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sqlalchemy unique across multiple columns

...s a shortcut to .columns. – van Mar 21 at 6:21  |  show 5 more comments ...
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How should I edit an Entity Framework connection string?

... Mosh Feu 21.9k1212 gold badges6868 silver badges105105 bronze badges answered Mar 14 '11 at 15:21 Fabian Nicol...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

...pandas v.0.15 – taras Oct 11 '14 at 21:31 add a comment  |  ...
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How to delete history of last 10 commands in shell?

...mple deleting command 4, 5 and 6 (1049-1051) and hiding the evidence: [18:21:02 jonathag@gb-slo-svb-0221 ~]$ history 11 1046 25-04-2016 18:20:47 echo "Command 1" 1047 25-04-2016 18:20:48 echo "Command 2" 1048 25-04-2016 18:20:50 echo "Command 3" 1049 25-04-2016 18:20:51 echo "Command 4" 10...
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What is the difference between Int and Integer?

...t systems, it's great. – dfeuer Sep 21 '16 at 5:09 add a comment  |  ...
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Assigning a variable NaN in python without numpy

...Fraction.from_float(numerator) File "C:\Python35\lib\fractions.py", line 214, in from_float raise ValueError("Cannot convert %r to %s." % (f, cls.__name__)) ValueError: Cannot convert nan to Fraction. Incidentally, you can also do float('Inf'), Decimal('Inf'), or math.inf (3.5+) to assign ...
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SQL join on multiple columns in same tables

... answered May 16 '13 at 21:19 Zoran HorvatZoran Horvat 8,93933 gold badges2525 silver badges3939 bronze badges ...
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Disable file preview in VS2012

... | edited Jan 21 '13 at 23:17 RMalke 3,7582525 silver badges4141 bronze badges answered Jun ...
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How do I prevent the iPhone screen from dimming or turning off while my application is running?

...tically by the OS? – Stan James Oct 21 '14 at 17:10 5 Stan - when the app resigns active, the OS ...
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What's the difference between ISO 8601 and RFC 3339 Date Formats?

... answered Feb 6 '09 at 21:37 ConroyPConroyP 38k1616 gold badges7676 silver badges8686 bronze badges ...