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Design a Rate Limiter: 4 Algorithms, 4 Trade-Offs

Design a Rate Limiter: 4 Algorithms, 4 Trade-Offs

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8 min read
Design a URL Shortener: The Constraints Interviewers Actually Probe

Design a URL Shortener: The Constraints Interviewers Actually Probe

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9 min read
The Catch and Release Pattern: Handling High-Volume Webhooks in Node.js

The Catch and Release Pattern: Handling High-Volume Webhooks in Node.js

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3 min read
Finally architected my local cloud!

Finally architected my local cloud!

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10 min read
Designing Memory and State for Long-Running Enterprise AI Agents

Designing Memory and State for Long-Running Enterprise AI Agents

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5 min read
Embedded bootloaders: MCU, Linux and FPGA approaches compared

Embedded bootloaders: MCU, Linux and FPGA approaches compared

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2 min read
Low-cost FPGAs: rapid prototyping with open-source tools

Low-cost FPGAs: rapid prototyping with open-source tools

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2 min read
Edge computing on MCUs: real value for industrial IoT

Edge computing on MCUs: real value for industrial IoT

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1 min read
Stop Guessing Your RAG Quality: Automating Faithfulness Metrics with Spring AI and LLM-as-a-Judge

Stop Guessing Your RAG Quality: Automating Faithfulness Metrics with Spring AI and LLM-as-a-Judge

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2 min read
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
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
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
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
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