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Webhook Warfare: Battling Silent Failures in Payment Integrations
Hey builders, 👋 Today I want to dive into one of those “why didn’t anyone tell me this sooner?” moments that cost me two days of debugging and nearly lost reve...
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How to Fix CORS Errors in MERN (The Secure Way)
Stop Struggling with CORS Errors in the MERN Stack A Visual Guide It’s a rite of passage for every full‑stack developer. You spend hours building your Express...
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How APIs Really Work: A Beginner’s Guide to Building and Understanding Backend Endpoints
What Exactly Is an API? API stands for Application Programming Interface. It acts as a bridge that allows two systems to communicate. Think of a waiter at a re...
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My First Ethical Open Redirect Scanner: From Zero to Shipped
Introduction I built an ethical open‑redirect vulnerability scanner in Node.js. The tool automates the detection of open‑redirect parameters, includes async pa...
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Fixing Chaos for Small Shops
👀 The Real Problem I Saw I live in India, and around me, every local shop owner had the same struggle: - They tracked inventory on paper - They created bills...
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Standardizing Express.js Error Handling with One Library
!Cover image for Standardizing Express.js Error Handling with One Libraryhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format...
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Building a Production-Ready Data Marketplace: Architecture, Security, and Lessons Learned
The Problem Space Building a marketplace seems straightforward until you start coding: - Payments: Integrating Stripe, handling webhooks, managing checkout ses...
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Campus Connect: A Complete Digital Workflow System for Universities Using React, Node.js & MongoDB
Campus Connect automates university workflows using the MERN stack, replacing paper‑heavy processes with a secure, transparent, and user‑friendly digital platfo...
- · ai
4-Day Series - Agentic AI with LangChain/LangGraph - Day 0
Why this Series? Large Language Models LLMs are powerful, but building reliable applications requires more than just a prompt. This series focuses on Agentic A...
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Modernizing Mature Ecosystems: Clean Architecture & Performance in Read-Only Microservices
Engineering strategies to decouple data retrieval, reduce infra costs, and scale Node.js apps. 🇧🇷 Leia a versão em Português aqui Scenario Overview I recentl...
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Building MCP Time-Traveler with Kiro: How I Used Vibe Coding, Specs, Steering, Hooks, and MCP to Build a Full Stack App
When I joined the Kiroween Hackathon, I wanted to create something playful, unusual, and technically challenging—a project that stitched together multiple ecosy...
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A Beginner-Friendly Guide to Building Your First API Using Node.js
Introduction If you're new to backend development, building an API can feel intimidating. Good news — with Node.js and Express you can create a functional...