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Should I declare Jackson's ObjectMapper as a static field?

... edited Jun 14 '17 at 15:36 Guido 40.2k2424 gold badges111111 silver badges166166 bronze badges answered...
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Unique Constraint in Entity Framework Code First

... 61 As far as I can tell, there's no way to do this with Entity Framework at the moment. However, ...
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M_PI works with math.h but not with cmath in Visual Studio

... while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing. So I moved the #define _USE_MATH_DEFINES #include <cmath> to be the first thing in my file (I don't use PCHs so if you are you will have to have it after the #include "stdafx.h"...
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How can I create an object and add attributes to it?

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Why does setTimeout() “break” for large millisecond delay values?

...a 32 bit int to store the delay so the max value allowed would be 2147483647 if you try 2147483648 you get your problem occurring. I can only presume this is causing some form of internal exception in the JS Engine and causing the function to fire immediately rather than not at all. ...
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv

... Courtney ChristensenCourtney Christensen 8,36344 gold badges4242 silver badges5555 bronze badges ...
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Declare and Initialize String Array in VBA

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MySQL > Table doesn't exist. But it does (or it should)

... 266 Just in case anyone still cares: I had the same issue after copying a database directory direc...
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Which is faster in Python: x**.5 or math.sqrt(x)?

...0000 %%timeit for i in range(N): z=i**.5 10 loops, best of 3: 156 ms per loop %%timeit for i in range(N): z=math.sqrt(i) 10 loops, best of 3: 91.1 ms per loop Using Python 3.6.9 (notebook). share ...
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How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc

...like this: $ env -i perl -V ... @INC: /usr/lib/perl5/site_perl/5.18.0/x86_64-linux-thread-multi-ld /usr/lib/perl5/site_perl/5.18.0 /usr/lib/perl5/5.18.0/x86_64-linux-thread-multi-ld /usr/lib/perl5/5.18.0 . Note . at the end; this is the current directory (which is not necessarily the same...