Code Review Best Practices: Giving and Receiving Feedback
Code reviews sit at the center of healthy engineering teams. They improve code quality, spread knowledge, and prevent bugs from...
React Query (TanStack Query) for Server State Management
Most React apps get “state” wrong by treating server data like normal UI state. A list from an API, a...
Full-Text Search: PostgreSQL vs Elasticsearch vs Algolia
Full-text search often looks easy at the start. You store text, run a query, and return results. However, once users...
Building a Dashboard with React, Recharts, and TanStack Table
Dashboards are a common requirement in modern web applications. They combine data visualization, tabular data, and interactive UI into a...
Time-Series Data in PostgreSQL with TimescaleDB
Time-series data appears everywhere: metrics, logs, financial events, sensor readings, and analytics dashboards. Although PostgreSQL can store time-based data, it...
Authentication in Next.js with NextAuth.js (Auth.js)
Authentication is one of the hardest parts of building web applications correctly. You need secure sessions, provider integrations, protected routes,...
Database Transactions and Isolation Levels Explained
Transactions are the foundation of reliable database systems. Every payment, order, or state change you trust in production depends on...
Server Actions in Next.js: Full-Stack Without an API
For years, building full-stack web applications meant drawing a hard line between frontend and backend. Even simple form submissions required...
Prisma ORM: The Complete Guide for Node.js and TypeScript
Prisma has quickly become one of the most popular ORMs in the Node.js ecosystem. Its core promise is simple: type-safe...