.reshape(new_shape) returns a new tensor with the same data but a different shape. The total number of elements must be the same:
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# Remove a feed
最直接的路径，是广告化。与提高明面抽佣不同，广告化并不改变交易费率，而是将货币化重心转移到曝光、排序与推荐之上。商户为被看到的概率付费，而非为成交本身付费。从商业本质看，这是将抽佣从交易端移至流量端。
}The capacity is fixed at creation. soa Star[50000] allocates space for exactly 50,000 elements. This is a deliberate tradeoff — fixed size enables the compiler to lay out memory optimally and elide bounds checks in release builds.