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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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How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
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How do you tell the Visual Studio project type from an existing Visual Studio project
....vproj file defines the project type, for example, the following defines a C++ project.
<VisualStudioProject
ProjectType="Visual C++"
The project tag also includes the compiler version.
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
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Implementation and API design
MessagePack has type-checking APIs (Java, C++ and D)
MessagePack supports static-typing.
Dynamic-typing used with JSON or BSON are useful for dynamic languages like Ruby, Python or JavaScript. But troublesome for static languages. You must write boring type-checkin...