Blog
-
Jest Complete Guide | JavaScript Testing, Mocking, Coverage & Snapshot
Master Jest for JavaScript and TypeScript testing. Covers test suites, matchers, mock functions, module mocking, spies, snapshot testing, code coverage, async testing, and CI integration.
-
Kubernetes Pod Troubleshooting Guide | Debug CrashLoopBackOff, OOMKilled, Pending
Diagnose and fix common Kubernetes pod issues. Covers CrashLoopBackOff, OOMKilled, ImagePullBackOff, Pending, and network problems with kubectl commands.
-
LangChain Complete Guide | LLM Apps, Chains, Agents, RAG
Build LLM-powered apps with LangChain. Covers Chains, Agents, Memory, RAG, and Vector Stores with practical Python examples. Start building today.
-
Microservices Architecture Guide | Design, Patterns, and Pitfalls
Design production microservices systems. Covers service decomposition, API gateway, service mesh, distributed tracing, saga pattern, and when NOT to use microservices.
-
MUI (Material UI) Complete Guide | React Components and Theming
Master MUI (Material UI) v6 for React. Covers installation, component library, theme customization, sx prop, dark mode, and production patterns with TypeScript.
-
NestJS Complete Guide | Build Scalable Node.js APIs
Build production-grade APIs with NestJS. Covers modules, controllers, services, guards, pipes, TypeORM, and testing with practical TypeScript examples.
-
Next.js Performance Optimization Guide | Core Web Vitals, Images, Bundle Size
Optimize Next.js apps for speed. Covers Core Web Vitals, Image optimization, bundle analysis, lazy loading, caching strategies, and real-world performance wins.
-
Nuxt 3 Complete Guide | Full-Stack Vue.js Framework
Build full-stack apps with Nuxt 3. Covers file-based routing, server routes, composables, Nitro server, data fetching, auth, and deployment to Vercel and Cloudflare.
-
Ollama Complete Guide | Run LLMs Locally, API, Open WebUI
Run large language models locally with Ollama. Covers installation, model management, REST API, Python/Node.js integration, Open WebUI, and GPU acceleration.
-
Playwright Complete Guide | E2E Testing, Cross-Browser Automation & CI/CD
A practical guide to Playwright: installation, locators, API mocking, traces, parallel projects, and GitHub Actions. Compare Playwright vs Cypress and ship reliable browser tests.