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How do I find the length of an array in C++?

To find the length (number of elements) of an array in C++, the method depends on … How do I find the length of an array in C++?Read more

by Nicholas|June 4, 2025June 4, 2025|array, C++, size

How to read file line by line using ifstream in C++?

To read a file line by line in C++ using std::ifstream, follow these steps with detailed … How to read file line by line using ifstream in C++?Read more

by Nicholas|May 27, 2025May 27, 2025|C++, file, line, read

How can I convert a std::string to int in C++?

To convert a std::string to an int in C++, there are several methods, each with its … How can I convert a std::string to int in C++?Read more

by Nicholas|May 27, 2025May 27, 2025|C++, convert, int, string

How can I get the list of files in a directory using C or C++?

To list files in a directory using C or C++, the approach depends on the language … How can I get the list of files in a directory using C or C++?Read more

by Nicholas|May 27, 2025May 27, 2025|C, C++, directory, file

How to find out if an item is present in a std::vector in C++?

To determine if an item exists in a std::vector in C++, you can use several methods … How to find out if an item is present in a std::vector in C++?Read more

by Nicholas|May 27, 2025May 27, 2025|C++, find, vector

How do you implement the Singleton design pattern in C++?

To implement the Singleton design pattern in C++, you ensure a class has only one instance … How do you implement the Singleton design pattern in C++?Read more

by Nicholas|May 23, 2025|C++, singleton

How to convert a std::string to const char* or char* ?

To convert a std::string to const char* or char*, you can use methods provided by the … How to convert a std::string to const char* or char* ?Read more

by Maxwell|May 21, 2025May 21, 2025|C++, char, convert, string

When to use virtual destructors in C++?

To ensure safe and proper cleanup of derived class objects when deleting them through a base … When to use virtual destructors in C++?Read more

by Ivor|May 7, 2025May 7, 2025|C++, destructor, virtual

How to convert int to string in C++?

To convert an integer to a string in C++, you can use one of the following … How to convert int to string in C++?Read more

by Hamilton|May 6, 2025May 6, 2025|C++, convert, int, string

What is the difference between const int*, const int * const, and int * const in C/C++?

In C/C++, the placement of the const keyword in pointer declarations determines whether the data being … What is the difference between const int*, const int * const, and int * const in C/C++?Read more

by Frank|May 1, 2025|C, C++, constant, pointer

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