React
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How to Modernize a Legacy Django and React Application
Modernize a Django and React application incrementally by mapping dependencies, adding tests, and improving the riskiest seams first.
2 min read
How to Fix CORS Errors Between React and Django
Diagnose CORS failures by checking origins, preflight requests, credentials, and CSRF configuration instead of disabling browser security.
2 min read
How to Build a Role-Based Admin Dashboard
Design an admin dashboard with explicit roles, permission checks, safe data queries, and auditable actions.
2 min read
How to Secure API Keys in a Next.js Application
Keep private API credentials out of browser bundles by moving provider calls to server-side code and protecting the endpoint with validation and access controls.
5 min read
Understanding React Server Components in Next.js 14: A Deep Dive
A comprehensive guide to React Server Components in Next.js 14, exploring the paradigm shift in how we build React applications, with practical examples and performance implications.
10 min read
Choosing Hosting for a React + Django + PostgreSQL App: A Cost and Effort Framework
Compare a VPS with Docker Compose, a PaaS and managed containers for a React, Django and PostgreSQL app using criteria beyond the monthly price.
5 min read
React State That Will Not Re-render, and When You Do Not Need useEffect
Fix state that does not update the UI by avoiding mutation, then remove unnecessary effects by deriving values during render and choosing better data-fetching patterns.
5 min read
Why useEffect Loops Forever and How to Fix the Dependency Array
Diagnose infinite useEffect loops caused by objects and arrays recreated each render, state updates in effects, and missing cleanup, with concrete fixes.
4 min read
Fixing use client Boundary and Provider Errors in the Next.js App Router
Resolve common App Router errors about hooks in Server Components, context providers, and non-serializable props by placing the use client boundary correctly.
5 min read