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AI playbooks, Spring AI tutorials, system design breakdowns and full projects.

AI Playbooks Oct 30, 2026 · 7 min Prompt Injection for Beginners: The Playbook on Keeping Your AI Safe Prompt injection for beginners: learn how attackers trick AI with hidden text, then follow 5 simple plays to protect your… Read →

AI Playbooks Oct 29, 2026 · 7 min AI Evals for Beginners: The Playbook for Testing AI Features AI evals for beginners explained as a simple story: build a small test set, add easy checks and an AI… Read →

AI Playbooks Oct 28, 2026 · 7 min Embeddings for Beginners: The Playbook on Vector Search Embeddings for beginners, told as a story: learn how text becomes numbers, how vector search finds meaning, and build your… Read →

AI Playbooks Oct 27, 2026 · 10 min How LLMs Work: A Beginner’s Playbook on Tokens, Context Window and Temperature Learn how LLMs work in simple words: tokens, context window and temperature, told as a story with five easy plays… Read →

AI Playbooks Oct 27, 2026 · 10 min AI Agents Playbook: How Agents Work and How to Build Your First One (2026) AI agents playbook for beginners: learn how agents work, build a minimal agent loop, add tools, memory and guardrails, and… Read →

AI Playbooks Oct 26, 2026 · 9 min The Gemini 4 Argon Price Increase Playbook: Cut Your API Bill Before 1 December Gemini 4 Argon price increase starts 1 December 2026. Measure your real cost per request, forecast the bill and cut… Read →

Spring AI Aug 22, 2026 · 11 min Build an AI Agent using Spring AI – Full Tutorial Learn how to build an AI Agent with Spring AI and Spring Boot step by step. Understand the difference between… Read →

Spring AI Jul 26, 2026 · 10 min Build an MCP Client with Spring AI – Step by Step Guide Build an MCP Client with Spring AI: In the last post, we built an MCP Server with three Jira tools… Read →

Spring AI Jul 26, 2026 · 14 min Build an MCP Server with Spring AI – Step by Step Build an MCP Server with Spring AI : In our last post, we talked about RAG and how it helps… Read →

Spring AI Jul 26, 2026 · 15 min Build Your First RAG App with Spring AI – Complete Beginner’s Guide Build Your First RAG App with Spring AI : If you have played around with any AI chatbot, you must… Read →

System Design Jul 18, 2026 · 16 min Designing TikTok : A System Design Guide for SDE3 & Staff Software Engineer Interviews A step-by-step walkthrough of how to design a short-video platform like TikTok, from video upload and processing to the recommendation… Read →

System Design Jul 8, 2026 · 9 min How to Design a URL Shortener Like TinyURL — Step-by-Step for System Design Interviews A few weeks ago, a friend of mine — three years into his backend career, preparing hard for an SDE… Read →