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C/C++ line number

...processor variables : __func__ : function name (this is part of C99, not all C++ compilers support it) __DATE__ : a string of form "Mmm dd yyyy" __TIME__ : a string of form "hh:mm:ss" Your code will be : if(!Logical) printf("Not logical value at line number %d in file %s\n", __LINE__, __FIL...
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When should you use constexpr capability in C++11?

... "function that always returns 5" is breaking or diluting the meaning of "calling a function". There must be a reason, or a need for this capability or it wouldn't be in C++11. Why is it there? ...
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Change one value based on another value in pandas

... jpp 124k2323 gold badges154154 silver badges204204 bronze badges answered Oct 7 '13 at 13:48 elyely ...
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How do I compare two strings in Perl?

...rldoc perlop for more information. ( I'm simplifying this a little bit as all but cmp return a value that is both an empty string, and a numerically zero value instead of 0, and a value that is both the string '1' and the numeric value 1. These are the same values you will always get from boolean o...
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Entity Framework with NOLOCK

...a transaction and set the isolation level to read uncommited. This essentially does the same as NOLOCK, but instead of doing it on a per table basis, it will do it for everything within the scope of the transaction. If that sounds like what you want, here's how you could go about doing it... //de...
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Should all Python classes extend object?

...inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless...
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Getting the class name of an instance?

...note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both: x.__class__.__name__ share ...
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MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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Pass a parameter to a fixture function

... through the tester fixture. I had a similar problem--I have a fixture called test_package, and I later wanted to be able to pass an optional argument to that fixture when running it in specific tests. For example: @pytest.fixture() def test_package(request, version='1.0'): ... request....
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Is it possible to rotate a drawable in the xml description?

...D rotation. – dmaxi Jan 4 '12 at 18:32 1 @dmaxi This is rotating the drawable via a rotation anim...