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Combining C++ and C - how does #ifdef __cplusplus work?

I'm working on a project that has a lot of legacy C code. We've started writing in C++, with the intent to eventually convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will no...
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How do I get ruby to print a full backtrace instead of a truncated one?

When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me: ...
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Does C# have extension properties?

Does C# have extension properties? 6 Answers 6 ...
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get size of json object

i have a json object that gets returned by an AJAX request and I am having some trouble with the .length because it keeps returning undefined . Just wondering if I'm using it right: ...
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CSS scrollbar style cross browser [duplicate]

How can I define a CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox. ...
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Why does git perform fast-forward merges by default?

Coming from mercurial, I use branches to organize features. Naturally, I want to see this work-flow in my history as well. ...
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How to increase font size in a plot in R?

I am confused. What is the right way to increase font size of text in the title, labels and other places of a plot? 7 Answ...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

I have encountered this piece of code 3 Answers 3 ...
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How do I keep jQuery UI Accordion collapsed by default?

I am working with jQuery UI Accordion and it works great, but I would like to have the accordion stay closed unless it I click on it. ...
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Selecting text in an element (akin to highlighting with your mouse)

I would like to have users click a link, then it selects the HTML text in another element ( not an input). 16 Answers ...