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sklearn中报错ValueError: Expected 2D array, got 1D array instead:
# 造成错误原因: 这是由于在新版的sklearn中,所有的数据都应该是二维矩阵,哪怕它只是单独一行或一列(比如前面做预测时,仅仅只用了一个样本数据),前面程序第3行输出的维度是(64,)一维的,所以需要使用.reshape(1,-1)进行转换,具体操作如下。 需改为 此时这个错误就解决了 ...
分类:其他好文   时间:2019-03-05 14:03:14    阅读次数:791
hadoop fs -put localfile . 时出现如下错误: could only be replicated to 0 nodes, instead of 1
hadoop fs -put localfile . 时出现如下错误:could only be replicated to 0 nodes, instead of 1网友的说法:这个问题是由于没有添加节点的原因,也就是说需要先启动namenode,再启动datanode,然后启动jobtracke ...
分类:其他好文   时间:2019-02-25 18:51:58    阅读次数:158
Maximum Size Subarray Sum Equals k LT325
Given an array nums and a target value k, find the maximum length of a subarray that sums to k. If there isn't one, return 0 instead. Note:The sum of ...
分类:其他好文   时间:2019-02-24 10:27:27    阅读次数:124
Minimum Size Subarray Sum LT209
Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't ...
分类:其他好文   时间:2019-02-24 10:23:35    阅读次数:121
cs20_7-1-todo
1. 一些先修知识 1.1 TFrecord 1. 优点:tf官方推荐格式,兼容大部分格式,采用二进制保存文件,在tf中处理效率最高 2. cs20的一个good example: 写tfrecord的pipeline 读tfrecord的pipeline 一个示例: 3. 一个过时的queue的例 ...
分类:其他好文   时间:2019-02-13 18:18:52    阅读次数:124
LeetCode 209 Minimum Size Subarray Sum 最小子数组和问题
Given an array of n positive integers and a positive integer s, find the minimal length of a contiguoussubarray of which the sum ≥ s. If there isn't o ...
分类:编程语言   时间:2019-02-10 12:29:27    阅读次数:207
PAT 甲级 1057 Stack
https://pintia.cn/problem-sets/994805342720868352/problems/994805417945710592 Stack is one of the most fundamental data structures, which is based on ...
分类:其他好文   时间:2019-02-09 17:36:03    阅读次数:326
“The subscription does not exist” when a distributor primary replica fails over to a replica that does not use the same agent profile
Symptoms <!-- ngIf: contentSection.subtitle --> <!-- end ngIf: contentSection.title -->Consider the following scenario: In Microsoft SQL Server 2017, ...
分类:其他好文   时间:2019-02-09 10:23:50    阅读次数:125
🎨 简易调色盘控件 for .NET(English)
By Conmajia Originally posted in 2012 cnblogs_post_body p {text indent:0 !important;} Introduction Simple & fast implementation of a rectangular RGB p ...
分类:Web程序   时间:2019-02-06 11:55:52    阅读次数:145
POJ2502:Subway(最短路)
Subway 题目链接:http://poj.org/problem?id=2502 Description: You have just moved from a quiet Waterloo neighbourhood to a big, noisy city. Instead of getti ...
分类:其他好文   时间:2019-02-04 19:31:29    阅读次数:108
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