C++ Archives - Page 5 of 68

Specifically, if I have a series of if…else if statements, and I somehow know beforehand the relative probability that each statement will evaluate ...

June 2, 2022
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C++, Programming

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Which C++ idioms are deprecated in C++11?

With the new standard, there are new ways of doing things, and many are nicer than the old ways, but the old way ...

June 2, 2022
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C++, Programming

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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?

What are some good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well. Preferably I’d like ...

June 2, 2022
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C++, Programming

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Template default arguments

If I am allowed to do the following: template <typename T = int> class Foo{ }; Why am I not allowed to do ...

June 2, 2022
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C++, Programming

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maximum value of int

Is there any code to find the maximum value of integer (accordingly to the compiler) in C/C++ like Integer.MaxValue function in java? 8 ...

June 2, 2022
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Compelling examples of custom C++ allocators?

What are some really good reasons to ditch std::allocator in favor of a custom solution? Have you run across any situations where it ...

June 2, 2022
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STL or Qt containers?

What are the pros and cons of using Qt containers (QMap, QVector, etc.) over their STL equivalent? I can see one reason to ...

June 2, 2022
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C++, Programming

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What made i = i++ + 1; legal in C++17?

Before you start yelling undefined behaviour, this is explicitly listed in N4659 (C++17) i = i++ + 1; // the value of i ...

June 2, 2022
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