针对你遇到的 NameError: name 'qapplication' is not defined 错误,以下是一些可能的解决步骤和原因分析: 确认QApplication所属的库或框架: QApplication 是PyQt 或 PySide(两者都是 Qt 的 Python 绑定)中的一个类,用于管理 GUI 应用程序的控制流和主要设置。 检查是否已经正确导入了QApplication: 错误提示表...
import datetime import shutil 废了相当长的时间,原来是应该写成 QtWidgets.QApplication(sys.argv)而不是 QApplication(sys.argv)否则就会出现下图: ###主函数入口 ###if__name__ =='__main__': app=QtWidgets.QApplication(sys.argv) mainWindow=QtWidgets.QMainWindow() ui=Ui_MainWindow() ui.setupUi(...
把倒数第三行QtWidgets.去掉。末尾添加sus.exit(app.exec_())
报错信息NameError: name ‘app’ is not defined from flask import Flask from flask_sqlalchemy import SQLAlchemy class Application(Flask): def init(self,import_name): super(Application, self).init(import_name) self.config.from_pyfile(‘config/base_setting.py’) db.init_app(self) db = ...
1、django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: application name 问题由来 问题是:应用名重复了。 使用PyCharm创建Django应用,并且在创建应用时勾选了Application的创建,然后根据《Python核心教程(第3版)》中方法,在projectname/settings.py的INSTALLED_APPS中加入了应用名...
If OnInitialize returns False, the event sequence will not continue and the application will exit. OnCreateSplashScreen. Called after the initialization work is complete. This method is where the splash screen for the application is set. OnStartup. Called just before the S...
(self.environ, self.start_response) File "D:\python2.6\lib\site-packages\django\core\servers\basehttp.py", line 651, in __call__ return self.application(environ, start_response) File "D:\python2.6\lib\site-packages\django\core\handlers\wsgi.py", line 241, in __call__ response = ...
'<name>' is ambiguous in the application objects '<list>' '<name>' is ambiguous in the namespace '<namespacename>' '<name>' is declared in project '<projectname1>', which is not referenced by project '<projectname2>' '<name>' is not a member of '<classname>' '<name>', ne...
If you are attempting to compile an SDK-style project (a project with a *.vbproj file that begins with the line <Project Sdk="Microsoft.NET.Sdk">), and the error message refers to a type or member in the Microsoft.VisualBasic.dll assembly, configure your application to comp...
ApplicationFailedException Defines the exception that is thrown if a native command fails. ApplicationInfo Provides information for applications that are not directly executable by PowerShell. ArgumentCompleterAttribute This attribute is used to specify an argument completer for a parameter to a cmdlet...