摘要: pure pixels, i.e, for any of the p endmembers there is at least one pixel containing only the correspondent material; 阅读全文
posted @ 2023-03-30 21:04 祥瑞哈哈哈 阅读(46) 评论(0) 推荐(0)
摘要: import pymysql # 创建连接 conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='1234567890', db='studentmemo') # 创建游标 cursor = conn.cur 阅读全文
posted @ 2023-03-30 19:08 祥瑞哈哈哈 阅读(68) 评论(0) 推荐(0)
摘要: 编码错误,dataframe写入mysql是utf-8的话在mysql表中行和列都改成utf-8就行了。 阅读全文
posted @ 2023-03-30 18:50 祥瑞哈哈哈 阅读(37) 评论(0) 推荐(0)
摘要: import pandas as pd from sqlalchemy import create_engine import numpy as np w=np.array([1,2,3]) datas = pd.DataFrame(w) print(datas) engine = create_e 阅读全文
posted @ 2023-03-30 18:21 祥瑞哈哈哈 阅读(217) 评论(0) 推荐(0)
摘要: https://blog.csdn.net/wjr1229/article/details/127997181。 就是停止mysql的服务。 然后再my.ini修改数据库的存储位置即可。 指令是:net stop MySQL57 阅读全文
posted @ 2023-03-30 16:54 祥瑞哈哈哈 阅读(46) 评论(0) 推荐(0)