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What is __declspec and when do I need to use it?

... | edited Dec 13 '17 at 4:02 Mark Benningfield 2,31944 gold badges2424 silver badges2727 bronze badges ...
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Correct way to use get_or_create?

...irst_name='John', last_name='Lennon', defaults={'birthday': date(1940, 10, 9)}, ) # get_or_create() didn't have to create an object. >>> created False Explanation: Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be include...
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is not JSON serializable

... cyph3rn3tz 344 bronze badges answered May 28 '13 at 11:04 alecxealecxe 392k9797 gold badge...
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how do you filter pandas dataframes by multiple columns

...b-statements with (): males = df[(df[Gender]=='Male') & (df[Year]==2014)] To store your dataframes in a dict using a for loop: from collections import defaultdict dic={} for g in ['male', 'female']: dic[g]=defaultdict(dict) for y in [2013, 2014]: dic[g][y]=df[(df[Gender]==g) & (d...
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Populating spinner directly in the layout xml

... 594 I'm not sure about this, but give it a shot. In your strings.xml define: <string-array name...
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Cost of storing AMI

... | edited Jun 3 '17 at 15:46 Michał Zalewski 2,19211 gold badge1919 silver badges3030 bronze badges ans...
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Is it possible to execute code once before all tests run?

... 154 FWIW, you can use the AssemblyInitialize attribute to run code before all unit tests in an assem...
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Escaping keyword-like column names in Postgres

... 214 Simply enclose year in double quotes to stop it being interpreted as a keyword: INSERT INTO tab...
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GoTo Next Iteration in For Loop in java

...+){ if(i==2){ continue; } System.out.print(i); } This will print 0134 See Document share | improve this answer | follow | ...
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Unresolved external symbol on static class members

... 147 If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/...