Machine Intelligence
Eventually, we’ll have a tree with mixed dirty and clean nodes, where only the dirty nodes need updating. Importantly, unlike the original push-based reactivity, the order that we visit the nodes isn’t important5. This means we don’t need to figure out the optimal path through the entire tree, and can use a simpler recursive algorithm, as long as we make sure to skip any nodes that were already marked as dirty.
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Energy Profiles of Java Collections ClassesSamir Hasan, Auburn University; et al.Zachary King, Auburn University
胎盘——这个胎儿的临时器官——附着于母体子宫，并从中获取血液供应。最新绘制的高分辨率细胞图谱不仅揭示了这一交界处特定的细胞间相互作用，更精准定位了在常见妊娠并发症中易受损的细胞类型。