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Optimistic UI Updates Explained Simply: How Apps Feel Instant Even Before the Server Responds

Optimistic UI Updates Explained Simply: How Apps Feel Instant Even Before the Server Responds

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3 min read
How Google Docs Lets 10 People Edit the Same Sentence Without Breaking It

How Google Docs Lets 10 People Edit the Same Sentence Without Breaking It

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3 min read
Rate Limiting in Practice: 4 Algorithms and When to Use Them

Rate Limiting in Practice: 4 Algorithms and When to Use Them

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4 min read
I Built a Coin Ledger That Guilts Customers Into Coming Back 🧇

I Built a Coin Ledger That Guilts Customers Into Coming Back 🧇

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12 min read
Defeating the Whiteboard Dead-End: How I Built FlowGenix

Defeating the Whiteboard Dead-End: How I Built FlowGenix

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2 min read
Agent-Ready Commerce, Part 10: The Reference Architecture

Agent-Ready Commerce, Part 10: The Reference Architecture

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29 min read
Java LLD: Designing a Thread-Safe Parking Lot with Strategy Pattern

Java LLD: Designing a Thread-Safe Parking Lot with Strategy Pattern

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2 min read
The Life of a Single API Request

The Life of a Single API Request

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1 min read
Persistent Edge Storage for a Legacy IIoT System

Persistent Edge Storage for a Legacy IIoT System

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7 min read
System Design From Zero: An Engineering Head Teaches His Nephew

System Design From Zero: An Engineering Head Teaches His Nephew

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25 min read
I Finally Read Designing Data-Intensive Applications (2nd Edition) - Here's Why Every Backend Engineer Should

I Finally Read Designing Data-Intensive Applications (2nd Edition) - Here's Why Every Backend Engineer Should

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6 min read
Evaluating Agents With an LLM-as-Judge Harness (Without Kidding Yourself About It)

Evaluating Agents With an LLM-as-Judge Harness (Without Kidding Yourself About It)

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5 min read
Beyond the Cheat Sheets: How to Actually Reason About Partitioning VS Sharding in System Design Interview

Beyond the Cheat Sheets: How to Actually Reason About Partitioning VS Sharding in System Design Interview

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3 min read
Stop Asking AI to Write Code. Start Asking It to Design Applications.

Stop Asking AI to Write Code. Start Asking It to Design Applications.

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5 min read
Why HTTP/1.1 Eventually Became a Bottleneck

Why HTTP/1.1 Eventually Became a Bottleneck

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4 min read
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