在numpy库中，经常会出现“秩为1的一维数组”（come from 吴恩达的深度学习，目前还没有搞清楚numpy中如此设计的意图）。比如： 注意这里的a的shape是[3] ，既不是 [1,3] 也不是 [3,1]。这就说明它既不是行向量也不是列向量，只是一个数组。 但是我们可以用squeeze（ ...
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2018-12-22 20:37:50
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Doing Homework Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of ha ...
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2018-12-08 17:05:45
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1 [by:妍敏茶馆] 2 [00:00.00] 作曲 : Joachim Gorrebeeck/Aviella Winder 3 [00:11.48]Lately I've been feeling lonely 4 [00:14.47]Wish someone would come and sa ...
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2018-12-02 15:24:46
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Problem Description Mr Wang wants some boys to help him with a project. Because the project is rather complex, the more boys come, the better it will ...
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2018-12-01 13:23:02
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https://biginterview.com/blog/2011/09/tell-me-about-yourself.html There are some job interview questions that are guaranteed to come up in most (if no ...
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2018-11-25 14:47:34
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Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning ...
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2018-11-18 14:59:31
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Koko loves to eat bananas. There are N piles of bananas, the i-th pile has piles[i] bananas. The guards have gone and will come back in H hours. Koko ...
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2018-11-10 19:15:15
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题目链接：https://leetcode.com/problems/partition-list/description/ Given a linked list and a value x, partition it such that all nodes less than x come be ...
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2018-11-10 15:13:21
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Mirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come to ...
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2018-11-09 00:50:12
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Til the Cows Come Home | Time Limit: 1000MS | | Memory Limit: 65536K | | Total Submissions: 76501 | | Accepted: 25456 | Description Bessie is out in t ...
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2018-10-31 01:04:13
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