Most slow Postgres queries aren't a hardware problem — they're a missing index. Here's how to read query plans and build the indexes your database is begging for.
A network timeout never tells you if the charge landed, so the client retries and the customer pays twice. How idempotency keys and reconciliation make retries safe.
A SELECT tells you what was true a moment ago, not what is true when you write. How lost updates happen in Postgres, and how to fix them with locks, version columns, and isolation ...
Caching is easy; invalidation is the hard part. Cache-aside, TTLs, the stale-read race, stampedes, and the Redis patterns I actually use to keep two copies of the truth in sync.
Most teams reach for a queue too late, or for the wrong reasons. When a queue actually earns its keep, the patterns that stop it losing your data, and when to skip it entirely.
A personal take on working with both Claude and Claude Code as a software engineer, why AI is here to stay, the honest pros and cons, and the agent features I actually rely on.
A real-world comparison of API paradigms — REST, GraphQL, and tRPC. Learn the trade-offs in type safety, versioning, performance, and developer experience, and how tRPC eliminates ...
From your first Dockerfile to production Kubernetes — a practical guide covering multi-stage builds, container best practices, Helm charts, rolling deployments, health checks, and ...
Your Next.js app should be fast by default. If it isn't, something is wrong. This guide covers the most common performance killers — bundle bloat, unoptimized images, font loading ...
A practical, no-nonsense breakdown of Server-Side Rendering, Client-Side Rendering, and Static Site Generation. Learn how each strategy works under the hood, when to use which, and...
A comprehensive deep-dive into data replication strategies for distributed systems. Explore the CAP theorem, advanced consistency models (linearizability, serializability, snapshot...
A comprehensive guide to writing professional Git commit messages following conventional commits specification. Learn commit types, structure, best practices, and tools for better ...
How I built Kemuko Support - an AI-powered customer support agent using Mastra that helps learners with course progress, assists instructors with analytics, handles billing, and es...
Learn how to integrate Mastra's Agent-to-Agent (A2A) protocol with Telex to build intelligent, interconnected AI workflows. A complete guide from development to deployment.
A comprehensive guide to implementing the Agent-to-Agent (A2A) protocol using Python and FastAPI. Learn how to build production-ready AI agents with JSON-RPC 2.0 communication.
An introduction to the Agent-to-Agent (A2A) protocol - the standardized communication layer revolutionizing how AI agents interact across platforms. Learn the fundamentals, benefit...