c++

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In C++, placement new and copy constructor implementing copy assignment operator, is it a good practice?
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copy-assignment placement-new copy-constructor c++
If the unique pointer constructor is explicit why is it possible to assign it to make_unique<T>()?
user_90742150
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2
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190
unique-ptr implicit-conversion c++
Why is this optimized away by modern compilers for C++11 and higher
user_2797110
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3
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89
c++
Why don't methods defined in classes in C++ need forward declarations when referring to methods that only show up later in the class?
user_1307580
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8
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147
language-lawyer c++
C++ pointer member initialization
user_119698780
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2
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44
pointers object new-operator scope c++
std::allocator deallocate don't use size argument
user_163313600
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2
3
73
allocator g++ valgrind c++
Why would one want to put a unary plus (+) operator in front of a C++ lambda?
user_170831180
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17
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929
lambda c++
Why (void*)p instead of static_cast<void*>(p) in C++ standard?
user_102766200
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9
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168
static-cast c++
pybind11 py::class_.def_property_readonly_static incompatible function arguments for () -> str
user_44389210
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2
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331
pybind11 static-methods python c++
std::erase_if delete an extra elements on std::vector?
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565
c++20 c++
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