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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

Git
Git is an open-source distributed version control system.
Git Commit
Git Commit
git branch
git branch is a command used to manage branches
Architecture
architecture
git pull
git pull is a command used to fetching changes form remote repo
Language-Concepts
This tag is used to understand a basic part of the language.
git commands
List of all git commands
GitHub
GitHub is a web-based hosting service for software development projects that use Git for version control.
Java
Java is a high-level object-oriented programming language. it's firstly released by Sun Microsystems in 1995. Use this tag when you're having queries using or understanding the language. This tag is also applicable to Java libraries and frameworks.
HashMap
A HashMap is a data structure that stores key-value pairs using hashing for fast access, insertion and deletion. Keys are unique and each maps to exactly one value. It offers average O(1) time complexity for basic operations and is widely used for efficient lookups, caching and data mapping in applications.
Popular Articles
Merge Sorted Array
You are given two integer arrays arr1 and arr2, sorted in accending order, and two integers m and n, representing the number of elements in arr1 and arr2 respectively. Merge arr1 and arr2 into a single array sorted in accending order.
Primary Key in SQL
How to create Primary Key. Creating Primary Key syntax. A Primary Key is a database constraint that ensures uniqueness records in the table. Primary Key guarantees no two rows can have the same value in the primary key column(s). The Primary Key not only ensures uniqueness but also improves data access speed and is used to establish relationships between tables.
Rotate an array of n elements to the right by k steps
Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step
Top 50 SQL Interview Questions and Answers (Beginner to Intermediate)
Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers
How to Install and Run Docker on Amazon EC2 by yum
how to install docker on amazon ec2 instance. docker installation command on linux machine, docker commands, Commonly Used Docker Commands on EC2
Java Integer.MIN_VALUE
Integer.MIN_VALUE is a fundamental constant which denotes the smallest possible value that can be stored in an integer data type. It is defined under Integer class of Java.lang package
do while loop in C#
do while loop in c# | c sharp do while loop | exit control loop in c#
Static Class vs Singleton in C#
Static Class vs Singleton in C#: A Complete Deep Dive
Namespace in C#
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
Length of the Longest Substring Without Repeating Characters
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 |

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