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UUIDv4 vs UUIDv7 in PostgreSQL: A B-Tree Index Performance Deep Dive

UUIDv4 vs UUIDv7 in PostgreSQL: A B-Tree Index Performance Deep Dive

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4 min read
Pub/Sub

Pub/Sub

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2 min read
Rate Limiting Toàn Tập: Đừng Để Server "Sập Nguồn" Vì Bị Spam API

Rate Limiting Toàn Tập: Đừng Để Server "Sập Nguồn" Vì Bị Spam API

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4 min read
FreeRTOS vs Zephyr vs ThreadX: choosing the right RTOS

FreeRTOS vs Zephyr vs ThreadX: choosing the right RTOS

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2 min read
Chiplets and UCIe: why modular processors matter for embedded

Chiplets and UCIe: why modular processors matter for embedded

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2 min read
The Silent Failure I Never Saw Coming: What VaultPay Taught Me About Consistency Under Failure

The Silent Failure I Never Saw Coming: What VaultPay Taught Me About Consistency Under Failure

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8 min read
# The Hidden Scalability Problems of x402 and Machine Payments

# The Hidden Scalability Problems of x402 and Machine Payments

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2 min read
Refusal Infrastructure: Architecting "No" as a First-Class System Behavior

Refusal Infrastructure: Architecting "No" as a First-Class System Behavior

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8 min read
Prompt Engineering Is Systems Design, Not a User Skill

Prompt Engineering Is Systems Design, Not a User Skill

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5 min read
System Design - 13. Message Queues Explained: Why LinkedIn Built Kafka and Changed Async Communication Forever

System Design - 13. Message Queues Explained: Why LinkedIn Built Kafka and Changed Async Communication Forever

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8 min read
System Design - 12. REST vs GraphQL vs gRPC: Choosing the Right API for Every Job

System Design - 12. REST vs GraphQL vs gRPC: Choosing the Right API for Every Job

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9 min read
System Design - 11. CDNs Explained: Why Your Netflix Video Loads Faster Than Your Email

System Design - 11. CDNs Explained: Why Your Netflix Video Loads Faster Than Your Email

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8 min read
LLD Object-Oriented Design: Inheritance (When to Use It and When to Avoid It)

LLD Object-Oriented Design: Inheritance (When to Use It and When to Avoid It)

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2 min read
The One-Way Bridge: A System-Design Lesson from Routing International Patients Through China's Two Medical Systems

The One-Way Bridge: A System-Design Lesson from Routing International Patients Through China's Two Medical Systems

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4 min read
Developer journal day2. Building CarVault 🚗

Developer journal day2. Building CarVault 🚗

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1 min read
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