@Adarsh1999

In C++, you have several options for working with arrays: 1. Static Arrays: These are fixed-size arrays where the size is known at compile time. You declare them like this: int myArray[5]; // Declares an integer array with a fixed size of 5 Th

#include <iostream> #include <string> // Include the string header int main() { // Creating std::string objects std::string str1 = "Hello, "; std::string str2 = "world!"; // Concatenating strings std::string combined = str1

#include <iostream> class animal{ public: int a; int add(int a,int b){ int sum = a+b; return sum; } };

DM-Verity with HSM User dm-verity in HSM hardware security module ChatGPT DM-Verity, or Device Mapper Verity, is a Linux kernel feature used for integrity checking of block devices. It provides transparent integrity verification for read-o

What is the difference between symmetric and asymmetric encryption algorithms? Explain how AES (Advanced Encryption Standard) works and why it is considered secure. Describe the RSA algorithm and how it is used for secure communication. What are

Here are several types of encryption algorithms: Symmetric Encryption Algorithms: Advanced Encryption Standard (AES) Data Encryption Standard (DES) Triple DES (3DES) Blowfish RC4 Twofish

#include <iostream> class Rectangle { private: int width; int height; public: // Constructor Rectangle(int w, int h) {

#include <iostream> #include <string> int main() { std::string a = "adarsh"; std::string b ; std::getline(std::cin, b); int len = b.length();

In object-oriented programming (OOP), both classes and structures are used as building blocks for creating objects and defining their properties and behavior. However, there are some differences between classes and structures in most programming l

/* The Parallel STL is a library in C++ that provides parallel versions of the standard STL algorithms, allowing you to perform complex operations on large data sets in parallel, potentially improving performance. The Parallel STL is based on

#include <iostream> #include <filesystem> #include <fstream> int main() { // Create a new directory std::filesystem::create_directory("test_dir"); // Create a new file in the directory

/* std::string_view is a lightweight object that provides read-only access to a contiguous sequence of characters. It acts as a non-owning reference to a string, allowing you to operate on substrings without the overhead of copying the data. std::

/*std::any is a type-safe container defined in the C++ Standard Library. It is used to store values of any type, including objects and primitives. The main advantage of std::any over traditional void* is that std::any provides type-safe access to

#include <iostream> #include <variant> #include <string> #if 0 int main() { std::variant<int, float, std::string> v; v = 42; std::cout << std::get<int>(v) << std::endl; // prints 42

std::variant is a type-safe union in C++17 and later, which can hold an object of one of several types, but only one type at a time. The type of the contained object can be checked at runtime, and a specific type can be extracted from the variant.

/*std::optional is a C++17 library feature that provides a convenient way to handle optional values, i.e., values that may or may not be present. It's essentially a type-safe variant that can either contain a value or not. Here's an example to demo

#include <iostream> #include <type_traits> template<typename T> void Print(const T& value) { if constexpr (std::is_pointer_v<T>) { std::cout << *value << std::endl; } else if constexpr (std::is_array_v<T>) { for (auto v : value) {

Fold expressions are a feature introduced in C++17 that allows you to perform a fold, or an accumulative operation, over a parameter pack. They are used to simplify code when you have a parameter pack that you need to perform an operation on, such

/*Class template argument deduction in C++ is a feature introduced in C++17 that allows the compiler to deduce the template arguments for class templates based on the constructor arguments. This can simplify the syntax of creating objects of class

n C++17 and above, the evaluation order of function arguments is guaranteed to be left-to-right. This means that if a function is called with multiple arguments, the expressions for those arguments will be evaluated in the order they appear in t