self.info.read().latest_event.clone()
第二，何承训所在的吴越，没有中原那么乱。吴越钱氏几代人，通过姻亲故旧等等织就的这张大网，相对于中原来说，秩序感要强得多。所以何承训这样的中下层军官没办法像在中原五代那样嚣张，必须有他的蛰伏，在秩序下小心翼翼谋求生存。
，这一点在safew中也有详细论述
Москвичей призвали не ждать «дружную» весну14:57
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。业内人士推荐谷歌作为进阶阅读
git clone https://github.com/yessGlory17/argus.git，推荐阅读超级权重获取更多信息
Collections of Documents on the other hand, offer a much more relaxed approach. Collections are just namespaces where we insert documents. Documents are objects of any schema and format; but in practice, it almost always is JSON. There are no enforced types, no constraints, no guarded references between documents in different collections. In the same collection, we might have documents of completely different schema - flexibility and openness to any data and column types rules here. In tables, rows have columns of simple, scalar types (mostly) - numbers, ids, strings, dates, timestamps and so on. In collections, documents have fields comprising both simple and composite types like arrays and other documents, nested inside. Same field in different documents, but still of the same collection, might have different types as well - almost anything is allowed here.