摘要: We are given two strings, A and B. A shift on A consists of taking string A and moving the leftmost character to the rightmost position. For example, 阅读全文
posted @ 2018-03-20 23:19 bonelee 阅读(410) 评论(0) 推荐(0)
摘要: We have two special characters. The first character can be represented by one bit 0. The second character can be represented by two bits (10 or 11). N 阅读全文
posted @ 2018-03-20 22:25 bonelee 阅读(203) 评论(0) 推荐(0)
摘要: You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way. The null node needs to be rep 阅读全文
posted @ 2018-03-20 22:07 bonelee 阅读(146) 评论(0) 推荐(0)
摘要: from:http://blog.csdn.net/m0_38061927/article/details/77198990 官方文档中给出的用法是 sklearn.metrics.confusion_matrix(y_true, y_pred, labels=None, sample_weight 阅读全文
posted @ 2018-03-20 16:37 bonelee 阅读(8259) 评论(0) 推荐(0)
摘要: >>> rdd = sc.parallelize([("bone", 231), ("bone", 21213), ("jack",1)]) >>> rdd.groupByKey().map(lambda x: sum(x[1])).collect()[1, 21444]>>> rdd.groupB 阅读全文
posted @ 2018-03-20 16:34 bonelee 阅读(896) 评论(0) 推荐(0)
摘要: 拿来主义:看我的代码,我是在模型acc和验证数据集val_acc都达到99.8%时候才终止训练。 The EarlyStoppingCallback Class I show a proof-of-concept version of early stopping below. This is th 阅读全文
posted @ 2018-03-20 14:24 bonelee 阅读(2112) 评论(0) 推荐(0)