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Can you clean mold yourself, or do you need a pro? What homeowners should know before touching drywall
Lifestyle & Home Improvement

Can you clean mold yourself, or do you need a pro? What homeowners should know before touching drywall

30 min read · Apr 8, 2026, 5:08 PM · 9 views

Surface mold on nonporous material can sometimes be cleaned by a homeowner, but once drywall, insulation, or a wall cavity is involved the job often shifts to containment and removal — but occupants with asthma, lung disease, or immune suppression should not enter areas with visible or smelled mold growth.

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How to build an agentic RAG pipeline with LangGraph for multi-hop questions
AI & ML

How to build an agentic RAG pipeline with LangGraph for multi-hop questions

21 min read · Apr 8, 2026, 5:07 PM · 12 views

LangGraph’s state-machine loops let you add query rewriting, document grading, and re-retrieval for multi-hop questions — this is the key to handling ambiguous or incomplete first-pass retrieval — but the LangChain post and CRAG notebook both simplify the full production stack, so you still need explicit reranking, observability, and fallback web search in the final build.

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Garage door repair scams: 9 red flags before you approve a spring or opener replacement
Lifestyle & Home Improvement

Garage door repair scams: 9 red flags before you approve a spring or opener replacement

28 min read · Apr 7, 2026, 5:15 PM · 5 views

Garage door scammers exploit emergency calls by advertising a low service fee, then inflating parts or pushing unnecessary spring and opener replacements — and BBB warns these scams often appear first in search results, but you can block most of them by verifying license, address, written estimate, and pressure tactics before anyone starts work.

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