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OpenSparrow v2.8 – Kanban board, MySQL Gateway, and major security hardening

OpenSparrow v2.8 – Kanban board, MySQL Gateway, and major security hardening

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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
ORA-00017 오류 원인과 해결 방법 완벽 가이드

ORA-00017 오류 원인과 해결 방법 완벽 가이드

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3 min read
Vector‑native RAG on Oracle: embeddings, HNSW/IVF, and hybrid search under database governance

Vector‑native RAG on Oracle: embeddings, HNSW/IVF, and hybrid search under database governance

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12 min read
Your AI database agent should not see every column

Your AI database agent should not see every column

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1 min read
TIL 5/27/2026

TIL 5/27/2026

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1 min read
Zerobase – encrypted zero-knowledge KV+SQL store where the server can't read your data

Zerobase – encrypted zero-knowledge KV+SQL store where the server can't read your data

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1 min read
Sharding vs. Partitioning: What’s the Difference in Software Engineering?

Sharding vs. Partitioning: What’s the Difference in Software Engineering?

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1 min read
Building SQLite from Scratch: 740 Lines of C++23 to Understand Every Byte of a .db File

Building SQLite from Scratch: 740 Lines of C++23 to Understand Every Byte of a .db File

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11 min read
HABTM, has_many through, STI, and polymorphic associations in Rails

HABTM, has_many through, STI, and polymorphic associations in Rails

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4 min read
Save any webhook data to a database automatically with n8n — free workflow JSON

Save any webhook data to a database automatically with n8n — free workflow JSON

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4 min read
I Finally Understood Elasticsearch After Thinking About Libraries

I Finally Understood Elasticsearch After Thinking About Libraries

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3 min read
When Dataflows Fail in Silence

When Dataflows Fail in Silence

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4 min read
I indexed 500+ security terms into a searchable glossary — what I learned about knowledge bases

I indexed 500+ security terms into a searchable glossary — what I learned about knowledge bases

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5 min read
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