A nested set is a smart way to implement an ordered tree that allows for fast, non-recursive queries. For example, you can fetch all descendants of a node in a single query, no matter how deep the ...
XRP Ledger hit 1.45 million daily transactions high on January while price remains stuck at $2.10. But similar gaps between usage and price preceded major rallies in 2017 and 2020. Exchange reserves ...
LangChain releases comprehensive guide to multi-agent AI systems, detailing subagents, skills, handoffs, and router patterns with performance benchmarks. LangChain has published a detailed framework ...
The ex-factory, tax-excluded price for 1-3 cm dolomite (Wutai) was 108 yuan/mt, flat from the previous working day; the price for 2-4 cm dolomite (Wutai) was 128 yuan/mt, also flat. The mainstream ...
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