In a massive e-commerce platform, processing a user's payment is only half the battle. The real engineering challenge begins behind the scenes: securely splitting that payment into platform commissions, shipping…
When you are processing ad clicks at a global scale, you aren't just counting numbers—you are handling money. A distributed ad click tracking system, like the one powering Google Ads,…
When a user opens a ride-hailing app, they expect to see nearby cars moving smoothly on a map and to be matched with the closest driver in seconds. Behind that…
Every day, billions of messages fly across massive real-time communication platforms like Discord. Displaying these messages in perfect chronological order requires a rock-solid system for generating unique message identifiers. But…
If you have ever deployed fresh front-end assets or updated a profile picture, only for users to still see the stale version, you know the frustration of caching delays. Waiting…
Webhooks are the backbone of modern event-driven architecture, connecting disparate systems and automating workflows in real-time. But what happens when you need to dispatch millions of automated event notifications daily…
When building projects that involve two-way communication like monitoring dashboards, robotic control systems, or IoT, one of the biggest challenges is transmitting visual data (video) in real-time. Traditional approaches like…
3D printers and CNC machines are incredibly versatile tools, but we usually control them indirectly. We design a 3D model in CAD, export it as an STL, and import it…
Hi everyone, Back with me Ragil! In this tutorial, I’ll show you step-by-step how to build a professional website from scratch using Zoho Sites. In today’s digital age, having a…