Where RAG Fails: Understanding the Limitations
Why LLMs Alone Aren't Enough Large Language Models (LLMs) like GPT or Claude are trained on massive amounts of text data, but that data has a cutoff date. Ask an LLM about something that happened afte

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Backend Series is a technical blog series focused on modern backend development concepts, authentication systems, APIs, databases, and scalable server-side architecture. The series is designed to simplify complex backend topics through practical explanations, real-world examples, and developer-friendly guides. From JWT authentication and REST APIs to security best practices and database management, Backend Series helps developers strengthen their backend engineering skills and build production-ready applications.
Why LLMs Alone Aren't Enough Large Language Models (LLMs) like GPT or Claude are trained on massive amounts of text data, but that data has a cutoff date. Ask an LLM about something that happened afte

In today's interconnected digital landscape, secure and seamless user authentication is paramount. Behind every successful login and persistent session lies a sophisticated interplay of cryptographic
