Vittorio Romeo

Italy

http://vittorioromeo.info

I write code, lift weights and play games. I also like everything sci-fi.

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Is a `=default` move constructor equivalent to a member-wise move constructor?

c++ c++11 constructor default move-semantics asked Aug 17, 2013 at 15:41

stackoverflow.com

126 votes

Lambda capture and parameter with same name - who shadows the other? (clang vs gcc)

c++ c++11 lambda language-lawyer shadowing asked Feb 7, 2017 at 10:56

stackoverflow.com

82 votes

Is there a more efficient implementation for a bidirectional map?

c++ dictionary c++11 data-structures bimap asked Feb 13, 2014 at 16:48

stackoverflow.com

72 votes

Why is the construction of std::optional<int> more expensive than a std::pair<int, bool>?

c++ performance assembly x86-64 c++1z asked Oct 3, 2017 at 11:55

stackoverflow.com

70 votes

Capturing perfectly-forwarded variable in lambda

c++ c++11 lambda c++14 perfect-forwarding asked Nov 9, 2014 at 18:00

stackoverflow.com

57 votes

Does a C++11 range-based for loop condition get evaluated every cycle?

c++ performance for-loop c++11 foreach asked Apr 2, 2013 at 13:56

stackoverflow.com

52 votes

2D Platformer AABB collision problems

c# 2d collision-detection physics aabb asked Jul 4, 2011 at 20:35

gamedev.stackexchange.com

41 votes

Calling `this` member function from generic lambda - clang vs gcc

c++ lambda this language-lawyer c++14 asked Aug 19, 2015 at 14:03

stackoverflow.com

39 votes

Get size of terminal window (rows/columns)

c++ c shell terminal asked Apr 29, 2014 at 15:52

stackoverflow.com

39 votes

Overloading multiple function objects by reference

c++ overloading template-meta-programming c++1z function-object asked Mar 23, 2017 at 21:16

stackoverflow.com

Top Answers

239

Advantages of pass-by-value and std::move over pass-by-reference

stackoverflow.com

211

In C++, am I paying for what I am not eating?

stackoverflow.com

Is there any point in using `override` when overriding a pure virtual function?

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Malloc vs New for Primitives

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What is `constinit` in C++20?

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What does std::vector look like in memory?

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Why is my exception-in-destructor not triggering std::terminate?

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Vary range of uniform_int_distribution

stackoverflow.com

"constexpr if" vs "if" with optimizations - why is "constexpr" needed?

stackoverflow.com

Using erase-remove_if idiom

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C++17: Keep only some members when tuple unpacking

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Is "enum class" a class type in C++?

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Reverse iterator returns garbage when optimized

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C++ Zero-Initialization

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Is there a reason to use std::conjunction/std::disjunction instead of a fold expression over "&&"/"||"?

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Why am I allowed to create multiple unique pointers from a single object?

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std::move doesn't work when the derived class' destructor is specified

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Why are there so many specializations of std::swap?

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No matching function for call std::forward(const std::string &) with variadic arguments

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Does async always use another thread/core/process in C++?

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How to write a size() function that works on any type of collection objects?

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Pointer to reference

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Why doesn't std::lock_guard/std::unique_lock use type erasure?

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Why isn't this unused variable optimised away?

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Unable to create unordered_set with lambda function

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Why I am getting this error: constexpr' is not valid here

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C++ variadic template with doubles

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Segmentation fault with std::function and lambda parameters

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Why does std::unique_ptr not permit type inference?

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Conditional ? : operator with class constructor

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