Introduction If you’ve ever seen an error like: pgsql Access to fetch at ‘http://api.example.com’ from origin ‘http://localhost:3000′ has been blocked by CORS policy …you’re not alone. This CORS error is one of the most common issues developers face when building full-stack applications using React (frontend) and Node.js (backend). In this blog post, we’ll break down

Introduction Getting the dreaded error: …when trying to run an npm command? You’re not alone. This is one of the most common problems developers face when setting up Node.js or working on a JavaScript project. In this post, we’ll walk you through how to fix this error on macOS, Linux, and Windows. What is npm?