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没有那么多花里胡哨: sudo npm install jsdom 阅读全文
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1. pgsql 添加一条属性 cursor_factory=psycopg2.extras.RealDictCursor 2.mysql 同样也是添加一个属性 cursorclass = MySQLdb.cursors.DictCursor 阅读全文
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import poplib import re from email.parser import Parser from email.header import decode_header from email.utils import parseaddr #解析消息头中的字符串 def decod 阅读全文
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delete t from (Select Row_Number() Over(Partition By [重复的字段] order By [唯一索引如:主键ID]) As rorwsnum* From 表名) t Where t.rorwsnum> 1 阅读全文
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const {JSDOM} = jsdom; const dom = new JSDOM(`<!DOCTYPE html><div>11111111</div>`); window = dom.window; document = window.document; window.navigator 阅读全文
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ALTER TABLE 表名 ALTER COLUMN 字段名 要修改的字段类型 null 阅读全文
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import re import pandas as pd import glob import numpy as np csv_list = glob.glob('E:/web_project/*.csv') # dataframe.to_csv(r"路径表达式",sep=",")#存储 for 阅读全文
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windowserver 2002处理cv2导包出错的问题 安装numpy 安装 python -m pip install matplotlib 阅读全文
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from selenium.webdriver import ActionChainsfrom selenium.webdriver.chrome.options import Options 一、启动配置 self.chrome_options = Options() self.chrome_op 阅读全文
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SELECT request_session_id spid,OBJECT_NAME(resource_associated_entity_id)tableName FROM sys.dm_tran_locks WHERE resource_type='OBJECT ' kill pid_num 阅读全文