Empowering Minds, Decoding Technology
Introduction OAuth 2.0 is an industry-standard authorization framework that enables secure access to APIs without exposing user credentials. It is widely used for securing web and mobile applications, providing a robust way to manage access control. What is OAuth 2.0? OAuth 2.0 allows applications to access user resources on a third-party service without sharing credentials….
Introduction Security is a crucial aspect of backend development. A well-secured backend prevents data breaches, unauthorized access, and other security threats. In this guide, we will explore essential security best practices to ensure the safety and integrity of your backend applications. Common Security Threats in Backend Development Threat Description SQL Injection Attackers manipulate SQL queries…
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Introduction Socket.IO is a popular JavaScript library that enables real-time, bidirectional event-based communication between clients and servers. Built on WebSockets, it provides additional features like automatic reconnections and broadcasting, making it ideal for chat applications, live notifications, and collaborative tools. How Socket.IO Works Step Description 1. Client Connection The client establishes a connection using the…
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Introduction WebSockets provide a full-duplex communication channel over a single TCP connection, enabling real-time data transfer between clients and servers. Unlike traditional HTTP requests, WebSockets allow continuous data exchange without repeatedly opening and closing connections, making them ideal for chat applications, live notifications, and collaborative tools. How WebSockets Work Step Description 1. Handshake The client…
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Introduction WebSockets provide a full-duplex communication channel over a single TCP connection, enabling real-time data transfer between clients and servers. Unlike traditional HTTP requests, WebSockets allow continuous data exchange without repeatedly opening and closing connections, making them ideal for chat applications, live notifications, and collaborative tools. How WebSockets Work Step Description 1. Handshake The client…
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Introduction Managing relationships between tables in SQL databases is crucial for maintaining data integrity and optimizing query performance. SQL databases use different types of relationships to define how tables interact with each other, ensuring data consistency and efficient retrieval. Types of Table Relationships Relationship Type Description Example One-to-One (1:1) Each record in one table corresponds…
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Indexing is a powerful technique that enhances database performance by allowing faster data retrieval. It reduces the need for full table scans, improving query efficiency and minimizing resource consumption. In this guide, we will explore how indexing works, types of indexes, and best practices for using them effectively. Why Indexing is Important? Types of Indexes…
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Efficient database optimization is crucial for improving application performance, reducing latency, and ensuring scalability. Optimizing queries and database structures helps in handling large datasets effectively while maintaining fast response times. Why Database Optimization is Important? Key Strategies for Database Optimization 1. Indexing for Faster Lookups Indexes significantly improve query performance by allowing quick data retrieval….
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Rate limiting is a technique used to control the number of requests a user can make to an API within a specific timeframe. It helps prevent abuse, ensures fair resource distribution, and enhances security by mitigating DDoS attacks. Why is Rate Limiting Important? How Rate Limiting Works Common Rate Limiting Algorithms: Algorithm Description Fixed Window…
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Caching is a critical technique to improve the performance and scalability of backend applications. Redis, an open-source in-memory data structure store, is one of the most popular tools for caching. In this guide, we’ll explore how to use Redis for caching in backend applications. What is Redis? Redis (Remote Dictionary Server) is a high-performance key-value…
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