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Why I cannot cout a string?
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+1: Many STL headers in Visual C++ (including <iostream>) pull in a definition of the std::basic_string class (because they indirectly include the implementation-defined <xstring> header (never include that directly)). While that allows you to ...
How does Go compile so quickly?
...e talk Go at Google, which compares the dependency analysyis approach of C/C++ and Go.
That is the main reason of fast compilation. And this is by design.
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Difference between `constexpr` and `const`
...sert are allowed. (= default and = delete are allowed, too, though.)
As of C++14, the rules are more relaxed, what is allowed since then inside a constexpr function: asm declaration, a goto statement, a statement with a label other than case and default, try-block, the definition of a variable of no...
Can inner classes access private variables?
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Technically in the current C++ standard, a nested class does NOT have special access to its enclosing class. See sec 11.8.1 of the standard. HOWEVER see also this standard defect: open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#45
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When should I use the new keyword in C++?
I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not?
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
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C++ requires that a class declaration end in a semicolon. Many C# developers come from a C++ background; sometimes their fingers put the semicolon in without their brains getting involved. :-) There are a number of constructs...
How to track down a “double free or corruption” error
When I run my (C++) program it crashes with this error.
8 Answers
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The modulo operation on negative numbers in Python
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Unlike C or C++, Python's modulo operator (%) always return a number having the same sign as the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is...
When should I use the Visitor Design Pattern? [closed]
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1) My favourite example is Scott Meyers, acclaimed author of “Effective C++”, who called this one of his most important C++ aha! moments ever.
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How do you create a static class in C++?
How do you create a static class in C++? I should be able to do something like:
13 Answers
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