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cpp-pointer

96 posts

How to Create a Smart Pointer in C++?

Last Updated: 02 April 2024

Asmart pointerin C++ simulates a pointer while also providing automatic garbage collection as it deallocates or frees associated memory when it goes out of scope, which he...read more

Why is Conversion From String Constant to 'char*' Valid in C but Invalid in C++?

Last Updated: 02 April 2024

In both C and C++, strings are sequences of characters enclosed in double-quotes. In this article, we will learn why is the conversion from string constant to 'char*' vali...read more

Array of Pointers to Strings in C++

Last Updated: 21 March 2024

In C++, an array is a homogeneous collection of data that is stored in a contiguous memory location. We can store almost all types of data as array elements. In this artic...read more

article_image

How to Create a Pointer to a Function in C++?

Last Updated: 04 April 2024

In C++, a function pointer is a variable that stores the address of a function that can later be called through that function pointer. It is useful for passing functions a...read more

How to Access Vector Methods from Pointer to Vector in C++?

Last Updated: 17 May 2024

In C++, we can create a pointer that points to the object of vector type. In this article, we will learn how to access member functions of std::vector from a pointer to th...read more

How to use const with Pointers in C++?

Last Updated: 16 May 2024

In C++, the const keyword is used as a type qualifier for defining read-only (immutable) objects that cannot be modified anywhere in their lifetime. It can be used in seve...read more

C++-const keyword

How to Return a Pointer from a Function in C++?

Last Updated: 17 May 2024

In C++, we can return a pointer from a function which is useful when we want to return large data structures that cannot be returned by value. However, it must be done car...read more

Dangling Pointers in C++

Last Updated: 04 June 2024

In C++, pointers can be used for various purposes such as storing the address of a variable, allocated objects on the heap, passing functions to other functions, iterating...read more

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Difference Between *& and **& in C++

Last Updated: 28 May 2024

In C++, the*(pointer to reference) and**(pointer to pointer reference)symbols are used in the context of pointers and references for manipulating memory addresses and deal...read more

cpp-double-pointer

Difference Between Pointers and Array Notations in C++

Last Updated: 05 June 2024

In C++, pointers and array notations are two ways using which we work with arrays and memory for accessing the data. They have distinct behaviours and are used in differen...read more

Is std::unique_ptr<T> Required to Know the Full Definition of T?

Last Updated: 07 August 2024

In C++, a common question that arises among developers is: Does std::unique_ptrT require the full definition of T to function correctly? The straightforward answer is yes,...read more

How to Avoid Memory Leaks When Using a Vector of Pointers to Dynamically Allocated Objects in C++?

Last Updated: 07 August 2024

In C++, managing memory properly is very important to avoid memory leaks, especially when working with dynamically allocated objects. When using a std::vector of pointers ...read more

std::make_shared in C++

Last Updated: 25 September 2024

In C++, std::make_shared() is a function that returns a shared pointer to the object of specific type after dynamically creating it. It offers a safer and more efficient w...read more

Dynamic Memory Allocation

cpp-memory-management

Risks of Using Raw Pointers in C++

Last Updated: 18 June 2025

In C++, raw pointers are variables that hold memory addresses of other variables or dynamically allocated memory. While raw pointers provide powerful low-level control ove...read more

Reverse Array using Pointers in C++

Last Updated: 23 June 2025

Reversing an array is a common problem in programming where the task is to reorder the elements of the array so that the first element becomes the last, the second element...read more