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Is there a range class in C++11 for use with range based for loops?

..._(begin), end_(end) {} private: iterator begin_; iterator end_; }; Test code: int main() { int m, n; std::istringstream in("10 20"); if ( in >> m >> n ) //using in, because std::cin cannot be used at coliru. { if ( m > n ) std::swap(m,n); ...
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Should I use document.createDocumentFragment or document.createElement

...are appended. Take the case of: var ul = document.getElementById("ul_test"); // First. add a document fragment: (function() { var frag = document.createDocumentFragment(); var li = document.createElement("li"); li.appendChild(document.createTextNode("Document Fragmen...
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]

...ndidate: The conversion to the function pointer of the lambda. The type of test in auto test = +[]{}; is therefore deduced to void(*)(). Now the second line is easy: For the second lambda/closure object, an assignment to the function pointer triggers the same conversion as in the first line. Even th...
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

...n (they aren't the same). If you look in the GHC Base library you see mod tests for several conditions and adjusts the sign accordingly. (see modInt# in Base.lhs) – Thomas M. DuBuisson Aug 6 '11 at 5:23 ...
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What to do with branch after merge

... Using Tower as my git front end, it neatly organizes all the Ftr/, Fix/, Test/ etc. into folders. Once I am done with a branch, I rename them to Done/...-<description>. That way they are still there (which can be handy to provide history) and I can always go back knowing what it was (fea...
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RabbitMQ / AMQP: single queue, multiple consumers for same message?

....log(payload) }) }) setInterval( function() { var test_message = 'TEST '+count sendMessage(exchange, test_message) count += 1; }, 2000) }) }) share | im...
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Provide an image for WhatsApp link sharing

...r even store the website preview to their database. This means when you're testing your link in WhatsApp or Facebook for example, you'll most likely not see any difference right away. Using another link (another page) will do the trick. But as soon as you use that link once, this "please note" secti...
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Using the “final” modifier whenever applicable in Java [closed]

...void common cases of a NullPointerException: final FileInputStream in; if(test) in = new FileInputStream("foo.txt"); else System.out.println("test failed"); in.read(); // Compiler error because variable 'in' might be unassigned By preventing a variable from being assigned more than once, you ...
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What is a lambda expression in C++11?

...xplicit parameterization can then be performed gradually with intermediate testing after each step. Once you have the code-block fully parameterized (as demonstrated by the removal of the &), you can move the code to an external location and make it a normal function. Similarly, you can use la...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

... return sizeof(&A::operator int&& +a) == sizeof(Y); } That test-case doesn't work for C++0x in GCC (looks like a bug) and doesn't work in C++03 mode for clang. A clang PR has been filed. The modified treatment of injected class names of templates in C++11: template<typename T&gt...