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dfs_duplicated = dfs.duplicated(subset=sub_set, keep=False) 阅读全文
posted @ 2022-02-23 18:25
ivyJ
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https://www.runoob.com/python/att-string-format.html >>>"{} {}".format("hello", "world") # 不设置指定位置，按默认顺序 'hello world' >>> "{0} {1}".format("hello", " 阅读全文
posted @ 2022-02-23 18:09
ivyJ
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validations = { "not_blank": CustomElementValidation( lambda x: x is not np.nan and len(str(x).strip()) > 0, 'cannot be blank'), "not_empty_array": Cu 阅读全文
posted @ 2022-02-23 16:52
ivyJ
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