base_info = "".join(tree.xpath('/html/head/script[4]/text()'))[20:] 以下是对这个语句的详细讲解: tree.xpath('/html/head/script[4]/text()')部分: tree:通常是一个已经构建好的 HTML 文档树对象,它是通过相关的 HTML 解析库(比如 lxml)对 HTML 文档进行解
矩阵拼接的函数tf.stack()与矩阵分解的函数tf.unstack() tf.unstack(value, num=None, axis=0, name='unstack')Unpacks the given dimension of a rank-`R` tensor into rank-`(R-1)` tensors.Unpacks `num` tensors from `value`
报错 Extracting test features for class bagel: 0%| | 0/110 [00:00<?, ?it/s]Traceback (most recent call last):File "/home/cszx/c1/zgp/3D-ADS-main/patchcore_runner.py", line 46, in evaluatemet