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GFG Sheets

41 posts

Top Conceptual Questions and Answers on Array for Interviews

Last Updated: 23 July 2025

AnArray is a fundamental concept in computer science that stores a collection of elements in a contiguous block of memory. It allows for efficient access to elements using...read more

Interview-Questions

Top 50 Binary Search Tree Coding Problems for Interviews

Last Updated: 23 July 2025

Binary Search Trees (BST) are like organized lists that help find, add, and remove items quickly. In our article "Top 50 Binary Search Tree Coding Problems for Interviews"...read more

interview-preparation

Binary Search Trees

Top Interview Questions and Answers on Insertion Sort

Last Updated: 23 July 2025

Insertion sort is a simple sorting algorithm that works similarly to the way you sort playing cards in your hands. The array is virtually split into a sorted and an unsort...read more

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interview-preparation

Interview-Questions

Top Interview Questions and Answers on Selection Sort

Last Updated: 23 July 2025

Selection sort is a simple and efficient sorting algorithm that works by repeatedly selecting the smallest (or largest) element from the unsorted portion of the list and m...read more

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interview-preparation

Interview-Questions

Top Interview Questions and Answers on Counting Sort

Last Updated: 23 July 2025

Counting Sort is a non-comparison-based sorting algorithm that works well when there is a limited range of input values. It is particularly efficient when the range of inp...read more

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interview-preparation

Interview-Questions

React Cheat Sheet

Last Updated: 25 February 2026

React is an open-source JavaScript library used to build fast and reusable user interfaces for web applications.Uses a declarative approach to design interactive UIs effic...read more

Web Technologies

Subnet Mask Cheat Sheet

Last Updated: 23 July 2025

A Subnet Mask is a numerical value that describes a computer or device's how to divide an IP address into two parts: the network portion and the host portion. The network ...read more

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Computer Networks

Git Cheat Sheet

Last Updated: 30 July 2025

Git Cheat Sheet is a concise, well-structured guide for developers and DevOps engineers ideal for both beginners and experienced users. It covers everything from Git insta...read more

Linux Commands Cheat Sheet

Last Updated: 13 February 2026

Linux commands are text-based instructions entered in the terminal to interact with the operating system. They allow users to navigate the file system, manage files and pr...read more

ggplot2 Cheat Sheet

Last Updated: 23 July 2025

Welcome to the ultimate ggplot2 cheat sheet! This is your go-to resource for mastering R's powerful visualization package. With ggplot2, you can create engaging and inform...read more

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Tkinter Cheat Sheet

Last Updated: 23 July 2025

Tkinter, the standard GUI library for Python, empowers developers to effortlessly create visually appealing and interactive desktop applications. This cheat sheet offers a...read more

Docker Cheat Sheet : Complete Guide (2024)

Last Updated: 23 July 2025

Docker is a very popular tool introduced to make it easier for developers to create, deploy, and run applications using containers. A container is a utility provided by Do...read more

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Last Updated: 11 October 2025

This C++ cheat sheet is a quick reference guide for beginners and intermediates. It helps you learn or revise key C++ concepts without switching between multiple websites....read more

NumPy Cheat Sheet: Beginner to Advanced (PDF)

Last Updated: 23 July 2025

NumPy stands for Numerical Python. It is one of the most important foundational packages for numerical computing data analysis in Python. Most computational packages prov...read more

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Python CheatSheet (2025)

Last Updated: 23 July 2025

Python is one of the most widely-used and popular programming languages, was developed by Guido van Rossum and released first in 1991. Python is a free and open-source lan...read more

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Python-Functions

Python-Operators

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