python 3.7引用docx操作word文档报错“docx.opc.exceptions.PackageNotFoundError:Package not found at.”,网上搜的方法都尝试过了,没有用。python_docx-0.8.6-py2.py3-none-any.whl这个包已经没有了,下载了python_docx-0.8.7-py2.py3-...
Unable to start activity ComponentInfo{com.marsad.quiz/com.marsad.quizapp.SetsActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object java.util.List.get(int)' on a null object ...
User is a reference to a User table/LinqToSql will automatically load the/row and access the fields i need./On my server the sale.User throws an exception that its null(User)but the user/is definitly in the database(there ...