1.sys:1: DtypeWarning: Columns (0,1) have mixed types. Specify dtype option on import or 解决办法:PANDAS默认使所占用空间最小的类型来储存数据.df = pd.read_csv('XXX.csv', low_memory=False) 2.comparing dtype [float64] array with a scalar of type [bool] in Pandas DataFrame 符号…
之前在做python pandas大数据分析的时候,在将分析后的数据存入mysql的时候报ERROR 2006 (HY000): MySQL server has gone away 原因分析:在对百万数据进行分析的时候,由于分析逻辑有点复杂,导致消耗的时候有点多,触发了mysql connect_timeout机制,当分析结束后想把结果存入mysql的时候,连接早已经断开了. 解决方案:针对一些复杂的数据分析,将数据分片处理,并在每次执行mysql插入的时候判断连接是否断开(connectio…
错误信息: error: cannot open .git/FETCH_HEAD: Permission denied unpacking the sent packfile failed on the remote 问题起因 在上周的工作中遇到一个提交代码至远程server失败的情况. 我在本地的git上一共提交过5次记录,使用vs集成的team explorer将这些本地commit push到remote server时候, 在output window中报出如下错误: unpacking…
The Windows Firewall on this machine is currently 1.This row already belongs to another table. DataTable tdLangauge = ShowLangauege.Clone(); foreach (DataRow row in drlanauage) { tdLangauge.Rows.Add(ro…
早上登服务器,看到程序的redis的报错, 具体如下: (error) MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error. Redis被配置为保存数…