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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
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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
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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
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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
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>>> 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
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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
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