2026 LG 77-inch OLED evo C6 gets a $500 Amazon discount

Reranking Models: The Cheapest RAG Quality Upgrade

Last year I took over a support chatbot for a client with about 40,000 help center and internal wiki chunks in a vector database. Retrieval was pure dense vector search.

• Reranking improves RAG accuracy from 61% to 84% for $40/month
• Bi-encoders excel at recall, not precision, causing wrong chunk ranking
• Hybrid retrieval with BM25 and dense vectors handles exact string matches better

2h ago ·dev.to

dbt tests that actually catch bad data

Most dbt test suites I've inherited check not_null and unique and not much else. Those catch schema problems, not business problems.

2h ago ·dev.to

Tailscale Rushes Patches After Uncoordinated Disclosure of ‘Tailworm’ Flaws

Tailscale is preparing a patch for Tailscale SSH flaws whose details went public over the weekend, before any fixes had been released.

2h ago ·securityweek.com