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Stop Spinning Up Separate Vector DBs: Multi-Tenant Spring AI with Pgvector Metadata Filtering

Stop Spinning Up Separate Vector DBs: Multi-Tenant Spring AI with Pgvector Metadata Filtering

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2 min read
Why current balance is a weak UX primitive for everyday banking

Why current balance is a weak UX primitive for everyday banking

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2 min read
Beyond the Canvas: The “Just Use Kafka” Trap

Beyond the Canvas: The “Just Use Kafka” Trap

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2 min read
The System Design Framework I Used to Solve 100+ Problems

The System Design Framework I Used to Solve 100+ Problems

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12 min read
30/60 Days System Design Questions!

30/60 Days System Design Questions!

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2 min read
Why Systems For Humans, Not People?

Why Systems For Humans, Not People?

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6 min read
I Open-Sourced a Practical Fullstack Interview Preparation Repository (React + Node + System Design)

I Open-Sourced a Practical Fullstack Interview Preparation Repository (React + Node + System Design)

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1 min read
「交易系统微服务架构」千万级请求下的零信任事件溯源设计实录

「交易系统微服务架构」千万级请求下的零信任事件溯源设计实录

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1 min read
Problem Framing

Problem Framing

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6 min read
REST APIs vs Webhooks in Telecom Billing - Which One Actually Makes Sense?

REST APIs vs Webhooks in Telecom Billing - Which One Actually Makes Sense?

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5 min read
The Death of Static Rate Limiters: Why Your Java Virtual Threads Need BBR-Style Adaptive Concurrency

The Death of Static Rate Limiters: Why Your Java Virtual Threads Need BBR-Style Adaptive Concurrency

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2 min read
Designing Feedback Loops That Actually Improve AI Systems

Designing Feedback Loops That Actually Improve AI Systems

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2 min read
Taobao agent system development pitfalls recorded

Taobao agent system development pitfalls recorded

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3 min read
39/60 Days System Design Questions

39/60 Days System Design Questions

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1 min read
Debugging the 'Phantom' Failure in AI Agent Orchestration

Debugging the 'Phantom' Failure in AI Agent Orchestration

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3 min read
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