Dinesh Kumar

Your fetch() Is Still Running After the User Left – How to Detect, Cancel, and Optimize

Editors Pick, JavaScript, Must Read /

Single-page applications often continue running fetch() requests after users navigate away, wasting bandwidth and server resources while potentially causing memory leaks. This guide explains why it happens and provides actionable solutions. Key Insight: Use AbortController tied to component lifecycle, clean up in useEffect/onUnmounted, and verify with Chrome DevTools Network tab. Table of Contents The Problem […]

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Migrating from wkhtmltopdf in .NET: A Practical Guide for Azure, Windows, and Linux

.Net, Editors Pick, Must Read /

wkhtmltopdf is archived. Your .NET applications need a modern replacement that works reliably across Windows, Azure, and Linux environments. This guide walks you through production-ready migration paths with code you can implement today. Why the Archive Matters wkhtmltopdf reached end-of-life without security updates or feature development. While existing installations continue working, new projects require actively

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How a Single CSS Line Broke a Popular React Animation Library (And How I Fixed It)

Editors Pick, React /

The animation glitch was caused by React removing a component before its CSS opacity transition could finish. By moving the class toggle into a requestAnimationFrame callback and adding will‑change: opacity, the animation runs to completion, eliminating layout thrashing and fixing the bug for all users. Keywords: React animation bug, CSS transition, React Transition Group, Framer

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EF Core, LINQ & Dapper in .NET — Optimize Your Data Layer (Real Benchmarks)

.Net, Editors Pick, Must Read /

Building a high-performance data layer is a critical task for any .NET developer. This article compares EF Core, LINQ, and Dapper through production-grade benchmarks, providing actionable insights and code examples to optimize your data access strategy. You’ll find real-world scenarios, performance metrics, and practical tips to help you scale efficiently. Table of Contents Benchmark Overview

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