C++ Archives - Page 4 of 68

C++, Programming

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How do I convert a double into a string in C++?

I need to store a double as a string. I know I can use printf if I wanted to display it, but I ...

June 3, 2022
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C++, Programming

IT Nursery

printf with std::string?

My understanding is that string is a member of the std namespace, so why does the following occur? #include <iostream> int main() { ...

June 3, 2022
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C++, Programming

IT Nursery

How to initialise memory with new operator in C++?

I’m just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array ...

June 2, 2022
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C++, Programming

IT Nursery

Programmatically get the cache line size?

All platforms welcome, please specify the platform for your answer. A similar question: How to programmatically get the CPU cache page size in ...

June 2, 2022
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C++, Programming

IT Nursery

How do you install Boost on MacOS?

How do you install Boost on MacOS? Right now I can’t find bjam for the Mac. 11 Answers 11

June 2, 2022
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C++, Programming

IT Nursery

Why does std::list::reverse have O(n) complexity?

Why does the reverse function for the std::list class in the C++ standard library have linear runtime? I would think that for doubly-linked ...

June 2, 2022
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C++, Programming

IT Nursery

How do you append an int to a string in C++? [duplicate]

This question already has answers here: How to concatenate a std::string and an int (24 answers) Closed 5 years ago. int i = ...

June 2, 2022
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C++, Programming

IT Nursery

What modern C++ libraries should be in my toolbox? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Questions asking us to recommend or find a ...

June 2, 2022
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C++, Programming

IT Nursery

shared_ptr to an array : should it be used?

Just a small query regarding shared_ptr. Is it a good practice to use shared_ptr pointing to an array? For example, shared_ptr<int> sp(new int...

June 2, 2022
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C++, Programming

IT Nursery

What is the logic behind the “using” keyword in C++?

What is the logic behind the “using” keyword in C++? It is used in different situations and I am trying to find if ...

June 2, 2022
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