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OpenGenus IQ, an open-source Computer Science Publication House, is driven by 2500+ BSc/MSc/PhD holders globally, exploring Algorithms, Deep Learning, System Design, and more since 2017.

Linux

Splitting VIM windows

VIM is a powerful, light-weight open source text editor. In this article we learn how to split VIM screens, switch between them, changes sizes and close them.

Erick Lumunge
Culture

How much electricity does a computer use ?

On average, a Desktop Computer uses 219 Watt per hour of Electricity while a 15 inch Laptop uses 159 Watt of Electricity. We have provided detailed calculation to arrive at the total Electricity consumption and Cost.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Linux

source command in Linux

The source command reads and executes the contents of a file in the current shell environment. In this article, we learn about this command through various examples.

Erick Lumunge
Linux

Open multiple files with Vim

VIM is one of the many Linux text editors. It is configurable and programmable. Usually, we open a single file with VIM. In this article, we demonstrate how to open multiple files in a single VIM session.

Erick Lumunge
List of Mathematical Algorithms

Octal to Binary Conversion

In this article, we have presented a method to convert Octal numbers into their Binary equivalents along with Java implementation.

Suraj Kumar Suraj Kumar
computational geometry

Fixed Radius Near Neighbor Problem

In this article, we will be tackling the fixed radius nearest neighbor problem, this is a variation on a nearest neighbor search.

Joe Gorst Joe Gorst
computational geometry

Point on a line with minimum sum distance from set of points

In this article, we will be discussing how to find the geometric median, this is, the point on a line with the minimum sum distance from a set of points.

Joe Gorst Joe Gorst
Python

Python Script to Send WhatsApp Message

In this article, we have developed Python Script to Send WhatsApp Message using two approaches: one WhatsApp library and by using Selenium Web Driver.

Alan Chacko
Python

Python script to create GitHub issues

In this article, we have developed a Python script to create GitHub issues and added features like adding a comment, label and others. We have used GitHub API for this.

Jiehui Ma Jiehui Ma
Python

Python script to control keyboard

In this article, we have developed a Python script to control keyboard by stimulate pressing any key combination and stimulate typing.

CHEW Chee Keng
System Design

System Design of GitHub

In this article, we will look into the system design of GitHub, the various protocols it offers, and how they work.

Ben Meehan
Dynamic Programming (DP)

Word Wrap Problem

In this article, we have solved the Word Wrap Problem in depth. This involves Dynamic Programming Concepts.

Purvak Baliyan
C++

Different ways to delete string in C++

In this article, we have explored different ways to delete string in C++ which include clear, resize, erase, swap functions along with other techniques.

Gabriel
Linux

Hard and Soft file links in Linux

In Linux, everything is a file. We use links to access deeply nested files in a file system easily. We learn about soft and hard links in Linux, including how to create and remove them.

Erick Lumunge
Linux

Globbing in Linux

Globbing involves bash interpreting glob characters to perform filename expansion of pattern searching in Linux. In this article, we will learn about globbing through various examples.

Erick Lumunge
Linux

file command in Linux

In Linux we use the file command to determine the type of file. With this command we can know the type of file we are dealing with, this also includes compressed files and special files. In this article we learn about this command using various examples.

Erick Lumunge
Linux

look command in Ubuntu

We use the look command to display lines in a file starting with a specified string. In this article, we learn about the look command through various examples.

Erick Lumunge
Linux

ar command in Linux

As described in the manual page, the ar(archiver) command is used to create, modify, and extract from archives. In this article, we learn about this command through various use cases.

Erick Lumunge
List of Interview Questions

57 Behavioral questions for Interviews [MUST]

Following is the list of 57 Behavioral questions for Interviews that you must prepare answers for before facing any Interview.

Benjamin QoChuk, PhD Benjamin QoChuk, PhD
Linux

Aliases in Linux

Some commands in Linux are long and repetitive. Aliases enable us to make them shorter by mapping a long command to a shorter one. In this article, we discuss aliases in Linux.

Erick Lumunge
Linux

xargs command in Linux

We use xargs to build an execution pipeline whereby we can send input to another command that does not accept piped input such as echo, mkdir, etc. In this article, we have learned the uses of xargs using various examples.

Erick Lumunge
Culture

Online Computer Science Degree

We have listed the top Online Computer Science Degree programs offered by Universities all over the World with all critical details like fees, program duration, link to apply, Specialization and other details.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Linux

tee command in Linux

The tee command reads standard input and writes it to standard output and a file or multiple files. We use it in cases where we want to send the output of a command to a file and at the same time want to print it out to the standard output. Let's discuss it.

Erick Lumunge
Linux

time command in Linux

When executing commands in Linux, we may want to know how long it takes or how much of the system resources a command or program uses. We use the time command for such situations.

Erick Lumunge
Python

Python script to control cursor

In this article, we have explored how to develop a Python script to control cursor and stimulate actions like clicking, scrolling, click and drag.

CHEW Chee Keng
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