Blog
Articles, tutorials, and insights about web development, frontend technologies, and software engineering.
Next.js 16 Release: Blazing Fast Startup & Build Stability
Next.js 16 delivers faster startup times and fixes the annoying dev server crashes during builds. Here's what changed and why you should upgrade now.
React DevTools Profiler: Find and Fix Performance Issues in 30 Minutes
Learn to use React DevTools Profiler to find performance bottlenecks and eliminate unnecessary re-renders. Includes real-world examples and fixes.
GitHub Copilot CLI: My Claude Code Backup When 5-Hour Limit Hits
Hit Claude Code's 5-hour limit? Discover how GitHub Copilot CLI became my perfect backup with Claude Sonnet 4.5 access and seamless terminal integration.
ERR_UPLOAD_FILE_CHANGED in Next.js: Complete Fix Guide [2026]
Only seeing ERR_UPLOAD_FILE_CHANGED in production but not on localhost? This guide explains the exact root cause — FormData lifecycle and file reference expiry — with a step-by-step fix to stop this Next.js file upload bug for good.
When Unit Testing Becomes Essential: A Developer's Journey
Discover why unit testing matters through real production failures and learn when to implement tests in your Next.js projects.
Server Actions vs Client Rendering in Next.js: The 2025 Guide
Master the art of choosing between Server Actions and client rendering in Next.js. Learn when to use each approach with real performance insights.