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M_PI works with math.h but not with cmath in Visual Studio

... Interestingly I checked this on an app of mine and I got the same error. I spent a 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 th...
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text-overflow: ellipsis not working

... You need to have CSS overflow, width (or max-width), display, and white-space. http://jsfiddle.net/HerrSerker/kaJ3L/1/ span { border: solid 2px blue; white-space: nowrap; text-overflow: ellipsis; width: 100px; display: block; overflow: hidden } body { ov...
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How to change value of process.env.PORT in node.js?

...ode -> simply use a space to use more than one variable on the same command – p4bloch Nov 18 '15 at 21:59 ...
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List of Rails Model Types

...red Jul 15 '10 at 22:05 Bayard RandelBayard Randel 9,21922 gold badges3838 silver badges4646 bronze badges ...
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Can you define aliases for imported modules in Python?

...r I found for that stackoverflow.com/a/40823467 – fr_andres Aug 13 '18 at 16:37 add a comment  |  ...
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String formatting: % vs. .format vs. string literal

... slightly different syntax from the existing % operator. Which is better and for what situations? 16 Answers ...
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Find objects between two dates MongoDB

... good explanation on the matter, but below is something I tried out myself and it seems to work. items.save({ name: "example", created_at: ISODate("2010-04-30T00:00:00.000Z") }) items.find({ created_at: { $gte: ISODate("2010-04-29T00:00:00.000Z"), $lt: ISODate("2010-05-0...
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How do I do a bulk insert in mySQL using node.js

... confusing to me. Why does the array have to be [[['a', 'b'], ['c', 'd']]] and not [['a', 'b'], ['c', 'd']] like the documentation says? – Victorio Berra Aug 21 '15 at 14:57 12 ...
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How to generate controller inside namespace in rails

I have namespace admin in controller, and I want to generate a controller inside of the admin folder. How can i do it with a Rails command? ...
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How do I get a class instance of generic type T?

... public void bar() { // you can access the typeParameterClass here and do whatever you like } } share | improve this answer | follow | ...