OpenGenus Tech Review Team - OpenGenus IQ: Learn Algorithms, DL, System Design (Page 57)

How to avoid S3 data leaks?

What could be more frustrating than having your sensitive data leak out to the public? Unfortunately, this is a reality for many companies that use S3 buckets. Lately, I have seen an uptick in companies that have experienced data leaks due to insecure S3 buckets.

Python

Python script to scroll on a webpage

In this article, we will develop a Python script to scroll on a webpage and stimulate real usage behavior. We will use Selenium and ChromeDriver.

Python

Python Script to Open Webpage and Login

In this article, we will be going over all the steps to prepare you to be able to open a webpage and log in using Python and some third-party applications.

System Design

System Design of Spotify

In this article, we have explained the System Design of Spotify, a leading audio streaming platform in depth.

C++

Null and void in C and C++

In C and C++ Programming language, NULL and void have two distinct meanings and use cases like NULL reference, void pointer and much more. We have explored this in depth.

List of Mathematical Algorithms

Convert Decimal to Hexadecimal

In this article, we will learn about decimal numbers, hexadecimal numbers and the algorithm to convert decimal to hexadecimal number.

System Design

System Design of Microsoft Teams

In this article, we will look at the high-level system design of Microsoft Teams, its architecture, and how it works.

Linux

read command in Linux

We use the read command to read from standard input or file descriptors. In this article, we learn to use the read command to get input from a user using a prompt, hiding input, limiting input, read command variables, arrays, timeouts, IFS, and more.

Linux

wall command in Linux

Linux is a multi-user system and as such there are occasions as system administrators we want to send a message to all logged in users seamlessly, in this case we use the wall command.

linked list

Linked List Interview Questions [with answers]

This is the list of Interview Questions based on Linked List Data Structure. You must practice these Multiple Choice Questions. This will help you master Linked List Coding Questions for Interviews at companies like Google and Microsoft.

Machine Learning (ML)

Questions on Convolution operation in ML

In this article, we have presented several Interview Questions (MCQs) with detailed answers on Convolution in Machine Learning models.

Linux

Here documents in Linux

A here document is a special code block with multi-line strings that can be redirected to the command script or interactive program. In this article, we learn about here documents in Linux.

Perl Programming

Perl Programming: Files, Regex, Subroutines, OOP

Perl is a general-purpose programming language with many applications. We look at Perl programming aspects such as files, regex, subroutines, and Perl OOP.

Python

Python script to send email in Gmail

In this article, we have explained the idea of using Python to send email in Gmail with a complete Python implementation example.

Perl Programming

Introduction to Perl Programming

Perl is a general-purpose programming language applicable to many areas such as, systems administration and network programming just to name a few. In this article we go over a brief introduction into Perl looking at its syntax, variables, scoping, loops and statements.

Linux

Finger command in Linux

The finger command is used to get all information about system users. With it, we get information such as login name, user name, login time, idle time and much more. We look at commonly used finger commands in Linux.

C++

Sort Map in C++ STL

In this article, we have explained different ways to sort a Map in C++ STL using C++ code snippets.

computational geometry

Halfplane Intersection problem

In this article, we will be discussing how to compute the intersection of a set of halfplanes.

computational geometry

Polygon Triangulation

In this article, we have explained the problem statement of Polygon Triangulation along with algorithmic approaches.

computational geometry

Applications of Computational Geometry

In this article, we have explained Applications of Computational Geometry along with topics/ algorithms used to solve a specific problem.

Linux

ufw in Linux

ufw (Uncomplicated Firewall) is a Linux utility that runs on top of iptables used to manage netfilter and managing the firewall. We look at ufw in Ubuntu and how to manage the firewall.

Linux

vmstat command in Linux

We use the vmstat command for system performance monitoring in Linux. It reports statistics about threads, system calls, CPU activity, memory, disks, and more.

Machine Learning (ML)

YOLOR model architecture

In this article, we have covered YOLOR model architecture in depth and compared it with other YOLO variants like YOLOv4.

Python

Python script to read and write JSON file

In this article, we have explained the idea of reading and writing JSON file in Python with a complete Python implementation example.

Linux

firewalld in RHEL

firewalld is a Linux utility used to manage firewall rules. In this article we discuss firewall management using firewalld.