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Authentication

Authentication is the process of verifying the identity of a user, system or entity. It ensures that only authorized individuals can access specific resources by validating credentials like passwords, biometrics or security tokens. Effective authentication protects systems from unauthorized access, data breaches and ensures secure communication in digital environments.

Top Authentication Articles

Mastering JWT Tokens: From Basics to Best Practices
JSON Web Tokens (JWT) have become a cornerstone of modern web authentication and API authorization. They're compact, URL-safe, and easy to work with, making them a popular choice for developers building secure web and mobile applications.

Popular Topics

C# Collection
In C#, Collections are classes in the System.Collections and System.Collections.Generic namespaces that store and manage groups of related objects. They include types like List<T>, Dictionary<TKey,TValue>, Queue<T> and Stack<T>. Collections offer dynamic sizing, built-in search, sorting and iteration, making data handling efficient and flexible in C# applications.
Math
math tag that is used for mathematical operations
C#
C# is a programming language.
MySQL
MySQL is an open-source relational database management system
Challange
Git
Git is an open-source distributed version control system.
Interview
A structured conversation where one participant asks questions and the other provides answers of those questions.
Language-Concepts
This tag is used to understand a basic part of the language.
Application Design
Application design is the process of planning and structuring an application’s architecture, user interface, data flow and functionality to meet user and business requirements. It involves decisions on technology stack, design patterns, scalability and security. Good application design ensures performance, maintainability and a seamless user experience across platforms and devices.
DSA
DSA (Data Structures and Algorithms) is a fundamental concept in computer science that focuses on efficiently storing, organizing and processing data. Data structures like arrays, linked lists, stacks and trees manage data, while algorithms provide step-by-step solutions to problems. Mastering DSA is essential for writing optimized, scalable and high-performance code.
Popular Articles
Static Class vs Singleton in C#: A Complete Deep Dive
List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures
namespace in c# | namspace concept in c# | c# namespace | c sharp namespace | what is namesapce and it's use cases | why should we use namespace
Top High-Level Design(HLD) Interview Questions and answers, HLD QnA, HLD interview preparation
A Structured Approach to Cracking Technical Interviews. how to prepare for Technical Interviews? Technical Interviews preparation guideline
Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers
Length of the Longest Substring Without Repeating Characters | Given a string str find the length of the longest substring without repeating characters | find the length of the longest substring without repeating characters in a given string |
Maximum Product Subarray, Find Maximum Product Subarray in an Array, Given an integer array arr, find a subarray that has the largest product,
Amazon Transaction Logs (example question), Amazon Transaction Logs Interview question

Most Popular Tools

Explore our top online tools including a blank page for notes, a QR code generator, word counter and collaborative editor. These free, easy-to-use utilities help you write, analyze, share and organize content faster. Perfect for developers, creators and students to streamline everyday digital tasks efficiently.

Blank Page

Create a blank canvas for your ideas, notes or sketches. Use this tool for rough work and jotting down your thoughts

QR Code Generator

A QR Code Generator is a tool that instantly converts text, URLs or other data into a scannable QR code. Users can create custom QR codes for websites, contact info or messages. It's commonly used for quick access, sharing and printing without needing a backend or complex setup.

Word Counter

Perform various string operations like counting characters, words or letters.

Collaborative Editor

Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc