Distributed Transactions in Node.js: Saga Pattern (2026)
Master distributed transactions in Node.js with the Saga pattern: step‑by‑step choreography or orchestration, idempotent design, and proven rollback techniques.
const goal = "master software engineering";
Learn to build, ship & scale real software.
Deep tutorials on DSA, system design, backend, DevOps and AI — with a community forum to ask experts.
Human-in-the-Loop AI Workflows: 2026 Implementation Guide
Add a human‑in‑the‑loop (HITL) safety layer to AI agents with async approval queues, Redis/Postgres, Go, Docker,…
Secure Multi‑Tenant API Keys & Prompts for Google ADK (2026)
Learn how to protect API keys and proprietary prompts in Google ADK agents using Secret Manager…
Latest articles
Backend Dev
Redis Data Loader: Supercharge ORM Caching (2026 Guide)
Combine Redis with the Data Loader pattern to crush N+1 ORM queries, dropping latency from ~150 ms to under…
AI
AI Agent Error Handling & Feedback Loops: 5‑Minute Guide
Discover how thumbs‑down clicks and brief notes turn AI agent slip‑ups into fast improvements, letting non‑technical users quickly…
AI
HITL Approval Workflows for ADK Agents (2026 Guide)
Learn how to build a safe, audit‑ready Human‑in‑the‑Loop approval pipeline for ADK agents using an external gateway, state…
Backend Dev
Multi‑Tenant DB Schema with Row‑Level Security (2026 Guide)
Learn to protect SaaS data by building a multi‑tenant database with PostgreSQL Row‑Level Security and ORM, achieving tenant…
