The Complete Guide to the ELK Stack (Elasticsearch, Logstash, Kibana)

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ELK

The ELK Stack—comprising Elasticsearch, Logstash, and Kibana—is one of the most popular log management and data analytics stacks today. Developed and maintained by Elastic.co, it enables organizations to collect, process, analyze, and visualize data from multiple sources in real-time. In recent years, the ELK Stack has evolved into the Elastic Stack, which also includes Beats—lightweight … Read full article: The Complete Guide to the ELK Stack (Elasticsearch, Logstash, Kibana)

Exploring the Power of AWS

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AWS

Amazon Web Services (AWS) has revolutionised the way developers build, deploy, and scale applications. Whether you’re a startup building your MVP or an enterprise running mission-critical systems, AWS offers powerful services to meet every need. Among its vast suite of cloud offerings, Amazon EC2, AWS Lambda, Amazon S3, and Amazon DynamoDB stand out as foundational … Read full article: Exploring the Power of AWS

Mastering Low-Level Design (LLD): A Step-by-Step Guide

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Low-Level Design (LLD) plays a critical role in software engineering. It transforms high-level requirements into detailed class structures, object interactions, and method signatures. Whether you’re preparing for system design interviews or working on real-world applications, understanding how to approach LLD effectively can set you apart. Topics to Master To tackle LLD problems confidently, make sure … Read full article: Mastering Low-Level Design (LLD): A Step-by-Step Guide

LLD Parking Lot

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Designing a Parking Lot System involves the use of various design patterns to structure the system in a way that is flexible, scalable, and easy to maintain. In this case, the Parking Lot System is built to manage parking spots, vehicles, parking tickets, and payment modes. Requirement 1 Solution Identify key objects/classes in the system. … Read full article: LLD Parking Lot

Class Diagram: A Complete Guide

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Class Relationships

Class Diagram is widely used in object-oriented programming to visualize and design the structure of software systems before writing any code. What is a Class Diagram? A Class Diagram is a type of static structure diagram in the Unified Modeling Language (UML) that describes the structure of a system by showing its classes, attributes, methods, … Read full article: Class Diagram: A Complete Guide

API Authentication: A Complete Guide

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APIs are the backbone of modern web and mobile applications. But with great power comes great responsibility — especially when it comes to securing your APIs. That’s where authentication comes in. What is API Authentication? API authentication is the process of verifying the identity of the client or user who is trying to access an … Read full article: API Authentication: A Complete Guide

Understanding Cross-Site Scripting (XSS)

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Cross-Site Scripting (XSS) is one of the most common and dangerous security vulnerabilities found in web applications. It allows attackers to inject malicious scripts into otherwise benign and trusted websites. When unsuspecting users visit these sites, the malicious scripts execute in their browsers, potentially compromising sensitive data or hijacking user sessions. What is XSS? XSS … Read full article: Understanding Cross-Site Scripting (XSS)

A Complete Guide to GraphQL for Backend Developers

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GraphQL is a query language and runtime for APIs developed by Facebook in 2012 and open-sourced in 2015. It provides a more efficient, flexible, and powerful alternative to REST. Instead of multiple endpoints, clients access all data through a single endpoint and explicitly define what data they need. This article offers a complete overview of … Read full article: A Complete Guide to GraphQL for Backend Developers