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TypeError: setUpClass() missing 1 required positional argument: ‘cls‘怎么解决?

importunittest,timefromseleniumimportwebdriverclasstestLogin(unittest.TestCase):defsetUpClass(cls)->None:cls.driver=webdriver.Chrome()cls.driver.maximize_window()cls.driver.implicitly_wait(10)cls.driver.get('https://www.baidu.com/')deftearDownClass(cls)->None:cls.driver.quit()defsetUp(self)->None:se

iphone 通知结果为 "unrecognized selector sent to instance..."

简而言之,我在ClassA(在viewDidLoad中)注册了以下NSNotification监听器:[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(playSong)name:@"playNotification"object:nil];我在ClassA.h中声明了选择器:-(void)playSong:(NSNotification*)notification;实现如下:-(void)playSong:(NSNotification*)notification{NSString*theTi

iphone 通知结果为 "unrecognized selector sent to instance..."

简而言之,我在ClassA(在viewDidLoad中)注册了以下NSNotification监听器:[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(playSong)name:@"playNotification"object:nil];我在ClassA.h中声明了选择器:-(void)playSong:(NSNotification*)notification;实现如下:-(void)playSong:(NSNotification*)notification{NSString*theTi

ios - [__NSDictionaryI setObject :forKey:]: unrecognized selector sent to instance

我正在尝试将“dateTime”添加到我的字典中,定义如下:SymptomRanking:{5111ef19253b4a9150000000=1;5111f029253b4add4e000000=1;5111f036253b4a123d000001=1;5111f045253b4a404f000000=1;}NSLog(@"dateselected:%@",[[self.datePickerdate]description])[self.resultssetObject:[[self.datePickerdate]description]forKey:@"dateTime"];应用程序

ios - [__NSDictionaryI setObject :forKey:]: unrecognized selector sent to instance

我正在尝试将“dateTime”添加到我的字典中,定义如下:SymptomRanking:{5111ef19253b4a9150000000=1;5111f029253b4add4e000000=1;5111f036253b4a123d000001=1;5111f045253b4a404f000000=1;}NSLog(@"dateselected:%@",[[self.datePickerdate]description])[self.resultssetObject:[[self.datePickerdate]description]forKey:@"dateTime"];应用程序

ios - 在 Xcode 5 中抑制 "undeclared selector"警告

我有一个父ViewController和一个subviewController。在subviewController的View中,我有一个名为“startButton”的UIButton。对于那个按钮,我添加了一个目标,如下所示[startButtonaddTarget:[selfparentViewController]action:@selector(test:)forControlEvents:UIControlEventTouchUpInside];我已经在父Controller中实现了test:方法,这对我来说工作得很好。当点击按钮时,事件从subviewController

ios - 在 Xcode 5 中抑制 "undeclared selector"警告

我有一个父ViewController和一个subviewController。在subviewController的View中,我有一个名为“startButton”的UIButton。对于那个按钮,我添加了一个目标,如下所示[startButtonaddTarget:[selfparentViewController]action:@selector(test:)forControlEvents:UIControlEventTouchUpInside];我已经在父Controller中实现了test:方法,这对我来说工作得很好。当点击按钮时,事件从subviewController

Ubuntu上adb命令提示权限不足,缺少udev rules(adb: insufficient permissions for device: missing udev rules? )

新搭建的Ubuntu开发环境,用adb连接开发板,提示权限不足,缺少udev规则(adb:insufficientpermissionsfordevice:missingudevrules?userisintheplugdevgroup)。这个问题也会影响scrcpy的使用。$adbdevicesListofdevicesattached4a093191nopermissions(missingudevrules?userisintheplugdevgroup);see[http://developer.android.com/tools/device.html]$adbshelladb:in

[@vue/compiler-sfc] ::v-deep usage as a combinator has been deprecated. Use :deep(<inner-selector>)

[@vue/compiler-sfc]::v-deepusageasacombinatorhasbeendeprecated.Use:deep()instead.控制台产生的这样的报错虽然不影响项目的运行但是控制台显示出来各位绅士是不能容忍的产生的问题机解决的问题我们在使用::deep,::v-deep修改某些组件比如element和iview等等第三方ui框架的时候的时候就产生了这样的错误Vue2已结不推荐这种(Vue3项目)正确用法:deep(class){样式}vue2生活中错误的用法::deepclass{}::deep#class{}::v-deep{}

ios - NS无效参数异常 : "Unrecognized selector sent to instance"

我遇到了一个我并不真正理解原因的问题。异常没有给我理解问题的线索。我想根据myArray中给定的数据修改我界面中UILabel的内容。但是,正如我在函数“cellForRowAtIndexPath”中指定的行,程序会触发异常。这个问题是什么原因造成的?@property(strong,nonatomic)NSMutableArray*myArray;//-(void)viewDidLoad{[superviewDidLoad];//Doanyadditionalsetupafterloadingtheview.[myArrayaddObject:@{@"field1":@"myfiel