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Advantages of Using Spring Boot Spring Boot simplifies Java web development by providing an opinionated, production-ready setup. Key benefits include: Embedded servlet containers like Tomcat, eliminating the need for WAR file deployment. Streamlined dependency management and Maven/Gradle configuration. Minimal to zero XML configuration, enabli ...

Why choose JWT over classic session cookies? Cross-origin ready – the token travels in the Authorization header, so CORS is trivial compared to cookie restrictions. Stateless – the server keeps no session store; every request is self-contained. Protocol agnostic – works the same for browsers, mobile apps, or third-party gateways. CSRF safe – n ...

When writing backend services, we often face a common problem: how to ensure incoming parameters are valid. If you're still using numerous if/else statements for validation, you've probably experienced the pain of maintaining such code. Don't worry—here's a clean and efficient solution: using Spring Boot 2.x and the JSR-303 stendard to implemen ...

Web Request and Response Mechanisms In a Browser/Server (B/S) architecture, clients interact with backend applications via HTTP protocols. When a request reaches the embedded Tomcat server in a Spring Boot application, it is initially processed by the core DispatcherServlet. This front controller routes the incoming request to the appropriate h ...

GraphQL provides a flexilbe approach to API design, allowing clients to request exactly the data they need. This guide walks through setting up GraphQL in a Spring Boot environment with practical examples. Project Configuration Create a new Spring Boot project and include the following dependencies in your pom.xml: <dependency> <gr ...

Understanding Akamai EdgeGrid Authentication EdgeGrid Auth is a custom authentication protocol designed to secure API requests sent too Akamai endpoints. Unlike standard Bearer tokens, it employs a cryptographic signing process to verify the integrity and authenticity of every request. Core Components Signing Key and HMAC-SHA256: The security ...

System Architecture The platform adopts a Browser/Server (B/S) architecture with clear separation of concerns across three tiers. The presentation layer delivers dynamic content through server-side rendering, while the application layer encapsulates business rules for inventory management, transaction processing, and user authorization. Data pe ...

1. MongoDB Fundamentals Relational vs Non-Relational Databases Relational databases rely on SQL for operations and maintain strict ACID (Atomicity, Consistency, Isolation, Durability) compliance through transaction mechanisms. Common examples include MySQL, SQL Server, DB2, and Oracle. Non-relational databases, often referred to as "Not On ...

Introduction to the Smart Parking System Leveraging the advancements in internet technologies and sophisticated information management tools, modern systems can significantly enhance operational efficiency across various sectors. The domain of parking management, traditionally burdened by disorganized processes, high error rates, insufficient d ...

JSR 303 Data Validation Built-in Validation Annotations Apply the @Valid annotation to controller methods requiring validation. Use annotations from javax.validation.constraints on fields in value objects to enforce constraints with custom messages. Group-Based Validation Group validation handles scenarios like ensuring an ID is null for creati ...