System Design for Beginners: Vertical Scaling vs Horizontal Scaling
If you are preparing for software engineering interviews, you have probably heard the term System Design many times. But what does it actually mean?…
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What Is an SoC? Understanding the Chip Behind Embedded Devices
An embedded board can look surprisingly simple: one large chip, a few memory devices, power circuitry, and connectors. Yet that board might run Linu…
Why Doesn't an E-Commerce Payment API Get Called Twice When Users Double-Click the Pay Button?
Introduction Imagine you're purchasing a product online. You click the "Pay Now" button, and due to a slow internet connection or impatience, you ac…
How to for Startups CRM System: Expert Tips
After auditing 47 startup CRMs in the last 18 months, I’ve found that 82% of early-stage teams over-engineer their customer relationship management…