我想删除不验证条件的行,我尝试了下面的代码,但它不起作用
sample.drop(sample.loc[(sample.service == 'ftp') & (sample.is_ftp_login.isna())].index, inplace=False)
我也尝试了一个循环,使用条件isna()和‘',但是它没有工作。
for index, row in sample.iterrows():
if row['service'] == 'ftp' and row['is_ftp_login'].isn
我遇到了一些严重的网络问题,现在运行sudo apt-get update会出现以下错误:
...
Hit ftp://ftp.is.co.za experimental/contrib i386 Packages
Reading package lists... Error!
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/ftp.is.co.za_debian_dists_testing_main_binary-i386_Packages
E: The
当我运行apt-get update时,我的32位debian (版本: Debian /Linux8)的安装突然给了我以下消息。
W: Failed to fetch http://ftp.nl.debian.org/debian/dists/jessie-updates/InRelease Unable to find expected entry 'main/binary-i386/Packages' in Release file (Wrong sources.list entry or malformed file)
E: Some index files fai