Function pointers in C++ are one of the unique features of the language. The function pointer in C++ points to a function, and it can be used to invoke the...
Operating Systems (OS) manage the allocation and usage of computer resources, including memory. One of the techniques used by OS to manage memory is swapping. In this article, we will...
Relational algebra in dbms is to provide a formal and theoretical foundation for working with relational databases. It provides a standardized set of operations that can be used to manipulate...
In Java, double is a data type that represents floating-point numbers, whereas int is a data type that represents integers. Sometimes, it may be necessary to convert a double to...
C++ is a strongly typed language, which means that variables must be declared with a specific data type. However, there may be times when we need to convert a variable...