How to manage users, groups, and different permissions in Linux?
Linux is one of the most widely used open-source operating systems in the world. If you are an administrator and work on a Linux machine that has multiple users and groups. If you want to take more control over all the users, …
How to convert a list to a string in Python?
Problem Statement: Given a random Python list (the list can be of numbers, characters, strings, or combinations of all three of them). Convert it to a Python string. For Example: [1, 2, 3, 5, 7] -> 12357 [‘A’, ‘B’, ‘C’, ‘D’, ‘E’] …
How to use vi editor in Linux/Unix?
What is a vi editor? “vi” editor stands for “visual editor” it is pronounced as vee-eye editor. It is the most commonly used text editor on Linux/Unix-based systems. There are so many text editors available for Linux systems ranging from the tiny one …
Database Architecture in DBMS
Database architecture plays a very crucial role in the designing process of DBMS (Database Management System). What is Database architecture in DBMS? The term “Database architecture” is comprised of two keywords: Database: A database is an organized and efficient collection of a …
FCSF: The simplest CPU Scheduling Algorithm
What is CPU Scheduling? Scheduling (CPU scheduling) is the process of assigning different jobs or processes to the CPU to make the system more efficient, productive, fast, and fair. The process of CPU scheduling forms the basis of Multiprogrammed operating systems. CPU …
Introduction to C++ STL
STL stands for “Standard Template Library”. It is a set of C++ templates which provide some most significantly used data structures and functions while programming in C++. The classes and functions provided by C++ STL are generic in nature i.e. we can …
Basic Operations in MATLAB
What is MATLAB? MATLAB abbreviated form of ‘Matrix Laboratory‘ is proprietary software, widely used by students, engineers, scientists, etc. for various types of mathematical computations. It has been developed by MathWorks. The most important aspect of this software is MATLAB programming language …
Beginner’s Approach to SQL
What is SQL? SQL stands for ‘Structured Query Language‘ which is a widely used commercial database language used to create and operate on *relational databases. A Relational Database is a type of database that stores the related information in the form of …
How to write a Simple RISC Assembly Program?
RISC stands for “Reduced Instruction Set Computer”. It is one of the paradigms used to design an ISA (Instruction Set Architecture). It implements very simple instructions having a simple and regular structure. The number of instructions is also less about 64-128. Examples: …
Basic Operations on Matrices in C++
Matrix: A matrix(singular of matrices) in mathematical terms is simply an arrangement of numbers in a definite number of rows and columns. Few examples of a matrix are as follows: Matrix Dimensions: The dimensions of a matrix also known as the Order …
Types of Looping statements in C/C++
Looping statements or loops in C/C++ are the special kinds of statements which when encountered by the control of execution, execute the next statement or the block of statements repeatedly. Components of a Loop Statement Following are the main parts or components …
Five Ways to Calculate Power in C++
Problem Statement: We have to write C++ programs/code which can effectively and efficiently calculate the power of any number. There are mainly two prerequisites to calculate the power of any number which are: Base (the number whose power, we have to calculate) …
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