Engineering notes distilled from public repositories, READMEs, and the systems behind them.
A beginner-friendly, in-depth guide to building an offline-sync engine in TypeScript. Covers IndexedDB, optimistic updates, sync queues, conflict resolution, and cross-platform network detection - with real code from the Lemitly codebase.
Jul 30, 2026
An in-depth, decision-focused guide comparing Strangler Fig and Big-Bang migration strategies for Java monoliths, with real code examples, risk analysis, and proven rollout patterns.
Jul 20, 2026
A detailed, beginner-friendly guide to SOLID principles in Java with practical code examples showing violations and their fixes, plus a complete Spring Boot client project walkthrough.
Jul 15, 2026
Detailed, beginner-friendly notes on converting an old laptop into a self-hosted VPS for free: OS setup, remote access, port forwarding vs tunnels, Docker, reverse proxy, security, and monitoring.
Jul 9, 2026
Setup Prisma with Next.js (App Router), connect your database, and use Prisma safely in API routes and server code.
Jul 8, 2026
Simple, beginner-friendly notes on using Grafana for monitoring: what to measure, how dashboards work, how to set alerts, and common pitfalls.
Jul 6, 2026
A practical, microservice-oriented guide to Azure Kubernetes Service (AKS): node pools, ingress networking, deployment patterns, autoscaling, observability.
Jul 5, 2026
A detailed, decision-focused guide comparing monolith, microservices, and event-driven architectures across complexity, scaling, deployment, data consistency, and team size.
Jun 29, 2026
A practical guide to choosing a cost-effective tech stack for small-to-medium workloads: architecture, real cost tiers, memory tuning per component, and what to avoid.
Jun 26, 2026
A hands-on walkthrough to build a working gRPC service in Spring Boot - with proto contracts, server code, a real Java client, and the errors you'll actually hit.
Jun 19, 2026