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How to save a list as numpy array in python?
...directly create an array from a list as:
import numpy as np
a = np.array( [2,3,4] )
Or from a from a nested list in the same way:
import numpy as np
a = np.array( [[2,3,4], [3,4,5]] )
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Best way to Format a Double value to 2 Decimal places [duplicate]
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backbone.js & underscore.js CDN recommendation?
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Android - Round to 2 decimal places [duplicate]
...round double, to get value that I can display as a
String and ALWAYS have 2 decimal places?
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What does the 'u' symbol mean in front of string values? [duplicate]
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List all files in one directory PHP [duplicate]
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500彩票网2亿入股第三方支付平台 - 资讯 - 清泛网 - 专注C/C++及内核技术
500彩票网2亿入股第三方支付平台【500彩票网2亿入股第三方支付平台】提供在线体育彩票服务的500彩票网宣布已达成协议入股浙江商盟技术有限公司，它拥有第三方支付牌照。500彩票网将向统统付投资约3560万美元(约合2亿元人民...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
Ora-00257 错误处理一列sqlplus assysdba报错ORA-12162切回系统确认系统当前的ORACLE_HOME和ORACLE_SID环境变量[oracle@asdlabdb01~]$echo$ORACLE_HOME空的[oracle...sqlplus /as sysdba
报错ORA-12162
切回系统
确认系统当前的ORACLE_HOME和ORACLE_SID环境变量
[oracle...
scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...
...内容：<p>xx<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取：
<p>
xx<b>x</b>
</p>
scrapy代码：
# 抓取p节点本身，得到的内容：<p>xx<b>x</b></p>
response.xpath('//div[@class="question"]/div[2]/div[2]/d...