opstechie.hashnode.devBuilding a Web Crawler in GoI recently built a web crawler using Go, and it was an exciting project. A web crawler is a program that visits websites, reads their pages, and follows links to other pages. Mine starts with a single URL, fetches the page, pulls out links, and keeps...Jun 3, 2025·4 min read
opstechie.hashnode.devReal-Time Code Execution Architecture: Redis & WebSockets vs PollingIn modern coding challenge platforms, users expect instant feedback on their submissions. The traditional polling model—where the browser repeatedly asks “are you done yet?”—simply can’t keep up with this demand. Polling means extra HTTP requests and...May 3, 2025·3 min read
opstechie.hashnode.devFetching, Caching, and Revalidating Data in Next.js Static Site GenerationStatic site generation (SSG) is a powerful feature in Next.js that allows developers to create fast, scalable websites by pre-rendering pages at build time. These pages are cached and served directly to users, resulting in excellent performance and r...May 1, 2025·9 min read
opstechie.hashnode.devModel Context Protocol (MCP): A Comprehensive GuideIntroduction In the rapidly advancing field of artificial intelligence (AI), the ability to integrate AI models with external tools and data sources is crucial for creating practical, real-world applications. The Model Context Protocol (MCP), introdu...Apr 28, 2025·9 min read
opstechie.hashnode.devDeploying a Full-Stack Notes App with Node.js and ReactIn the landscape of contemporary web development, full-stack applications represent the pinnacle of integrated software solutions, seamlessly bridging client-side interactivity with server-side logic. The synergy of Node.js, a JavaScript runtime reno...Apr 27, 2025·8 min read
