raii Archives - IT Nursery

C++, Programming

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RAII and smart pointers in C++

In practice with C++, what is RAII, what are smart pointers, how are these implemented in a program and what are the benefits ...

May 31, 2022
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C++, Programming

IT Nursery

Why is it wrong to use std::auto_ptr with standard containers?

Why is it wrong to use std::auto_ptr<> with standard containers? 6 Answers 6

May 27, 2022
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Do I need to manually close an ifstream?

Do I need to manually call close() when I use a std::ifstream? For example, in the code: std::string readContentsOfFile(std::string fileName) { std::ifstream file(fileName.c_str()); ...

May 24, 2022
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If you shouldn’t throw exceptions in a destructor, how do you handle errors in it?

Most people say never throw an exception out of a destructor – doing so results in undefined behavior. Stroustrup makes the point that ...

May 18, 2022
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Does C++ support ‘finally’ blocks? (And what’s this ‘RAII’ I keep hearing about?)

Does C++ support ‘finally‘ blocks? What is the RAII idiom? What is the difference between C++’s RAII idiom and C#’s ‘using’ statement? 16 ...

May 16, 2022
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What is meant by Resource Acquisition is Initialization (RAII)?

What is meant by Resource Acquisition is Initialization (RAII)? 10 Answers 10

May 9, 2022
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