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No rate limiting means any client can hit your API as many times as it wants. This guide walks through the right way to implement it in Node.js - from express-rate-limit basics to Redis-backed sliding windows and layered per-route limits that work in production.
Most developers think session hijacking is an advanced attack. It's not. It usually starts with something very basic: your cookies. Learn the 3 flags and token refresh pattern that actually works.
Your API is running the same database query hundreds of times a minute. Redis caching fixes that — response times drop from 400ms to under 10ms. Here's the complete setup: client config, cache-aside pattern, per-user keys, cache invalidation, and a reusable Express middleware.
Bite-sized developer lessons — 30 seconds or less.
Your API returns old data even after updating records due to caching issues in browser, CDN, or server.
This error happens when your component keeps updating state inside render, causing an infinite loop.
Using Array.map() for side effects leads to confusing code and unnecessary memory usage.
No sign-up. No server. No tracking. Runs entirely in your browser.
Decode any JWT — see header, payload, expiry, and claims instantly.
Format, validate, or minify JSON with precise error location.
Live match highlighting with flag controls and group capture.
Score your Dockerfile and get actionable best-practice fixes.
Encode or decode Base64 strings including URL-safe variant.
Convert Unix timestamps to readable dates. Auto-detects ms vs s.
Generate v4 or v1 UUIDs in bulk with uppercase and no-dash options.
Platform-optimised hashtags for X, Instagram, LinkedIn, YouTube & TikTok.
SQL formatter, cron parser, curl → fetch, HTTP status codes, Markdown previewer.
Practical content across 5 topics — from deep technical dives to developer lifestyle.
Learn coding concepts, best practices, and real-world examples using modern programming languages and frameworks.
Explore tools and practices like Docker, CI/CD, cloud deployment, and Kubernetes to automate and streamline development workflows.
Insights on physical and mental well-being, healthy lifestyle practices, fitness, nutrition, and medical awareness. Learn how technology, habits, and daily routines impact your overall health.
Web security, authentication, cookies, and best practices.
Explore the latest trends, tools, and innovations in software development, AI, cloud computing, and modern tech.
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Your API is running the same database query hundreds of times a minute. Redis caching fixes that — response times drop from 400ms to under 10ms. Here's the complete setup: client config, cache-aside pattern, per-user keys, cache invalidation, and a reusable Express middleware.
No rate limiting means any client can hit your API as many times as it wants. This guide walks through the right way to implement it in Node.js - from express-rate-limit basics to Redis-backed sliding windows and layered per-route limits that work in production.
Stop fighting CORS. Understand preflight requests, credentials, wildcard mistakes. CORS isn't a bug—it's your API warning you about real security issues.
Most developers think session hijacking is an advanced attack. It's not. It usually starts with something very basic: your cookies. Learn the 3 flags and token refresh pattern that actually works.
Useful packages and tools built by Stack Dev Life — free and open source.
Dynamic form builder for React, Next.js and Angular with Tailwind / Bootstrap support.
File upload and queue orchestration package for modern apps.
Clean VS Code theme pack — Dark, Soft & Light variants for focused, eye-friendly coding.
Accessible, copy-paste React components built with Tailwind CSS — no lock-in, full control.
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The Author
Front-End Developer · India
A Front-End Developer located in India focused on making websites look great, work fast and perform well with a seamless user experience. Over the years I've worked across digital design, web development, email design, app UI/UX and development.
Developer tutorials and quick Shorts — new content every week.
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