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ambiguity

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ios - "type of expression is ambiguous without more context"- 引用 appDelegate

我的appDelegate最初是用Obj-C编写的。我试图在一个新的Swift类中访问它,但我遇到了一个我认为具有误导性的奇怪错误,我正试图找到根源。在我的Swift文件中,我在以下位置设置了一个断点:varappDelegate=UIApplication.sharedApplication().delegate如果我只是po:poappDelegate我得到:PrintingdescriptionofappDelegate:Optional()一切都很好。但是,当我尝试:poappDelegate.navigationController在调试控制台中我得到:error::1:13

ios - swift 2 : Type of expression is ambiguous without more context

classExample:NSObject,UIViewControllerAnimatedTransitioning,UIViewControllerTransitioningDelegate{varaView:UIView!UIView.animateWithDuration(duration,delay:0.0,usingSpringWithDamping:0.8,initialSpringVelocity:0.8,options:nil,animations:{self.aView.transform=CGAffineTransformIdentity//Thislineist

ios - “type of expression is ambiguous without more context” 使用结构属性作为字典键

我得到异常:typeofexpressionisambiguouswithoutmorecontext使用以下代码:structParameter{staticletEmail="email"staticletPassword="password"staticletIsFacebookUser="isFacebookUser"}letparameters:[String:AnyObject]=[Parameter.Email:email,Parameter.Password:password,Parameter.IsFacebookUser:false]它不接受bool类型,我不想更改

解决问题error: reference to ‘byte‘ is ambiguous

问题描述在引入头文件时编译报错。FAILED:CMakeFiles/untitled.dir/main.cpp.obj"D:\software\Clion\CLion2023.2.1\bin\mingw\bin\g++.exe"-g-fdiagnostics-color=always-MD-MTCMakeFiles/untitled.dir/main.cpp.obj-MFCMakeFiles\untitled.dir\main.cpp.obj.d-oCMakeFiles/untitled.dir/main.cpp.obj-cD:/CLionProjects/untitled/main.cppI

解决Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map ‘inteController‘

出现这个错也可能会出现项目无法启动的错误。完整错误是org.springframework.beans.factory.BeanCreationException:Errorcreatingbeanwithname'requestMappingHandlerMapping'definedinclasspathresource[org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]:Invocationofinitmethodfailed

ios - SDWebImage 检查图像是否使用 Swift 缓存 : Ambiguous Reference

我试图查明是否已经使用SDWebImage缓存了图像,但是当我尝试使用此方法时,我收到错误“对成员'cachedIageExistsForURL的引用不明确”。letbool=SDWebImageManager.cachedImageExistsForURL(imgURL)我正在使用Swift,并且我有一个桥接header来使用该库。 最佳答案 cachedImageExistsForURL不是SDWebImageManager上的类方法,它是您需要在sharedInstance上使用的实例方法:SDWebImageManager.

完美解决Column ‘xxx‘ in field list is ambiguous问题

复现问题使用如下SQL查询数据:SELECTidasid,`user`.login_nameASuser_mobile,apply_status,(SELECT`value`FROMdata_dictWHERECODE=apply_status)ASapply_status_value,apply_no,application_name,belong_org_code,belong_org_data_dict.`value`ASbelong_org_code_value,business_contact_name,business_contact_mobile,auth_way,(SELECT

ios - swift 3.0 : Type of Expression is ambiguous without more context?

privatefuncmakeRequest(methodmethod:Alamofire.Method,url:String,parameters:[String:AnyObject]?,keyPath:String,handler:NetworkHandler.handlerArray)->Request{letheaders=["Authorization":"",]returnAlamofire.request(method,url,parameters:parameters,encoding:.URL,headers:headers).validate().responseA

swift 3 : error: ambiguous reference to member '>'

我无法从Swift编译器中理解这个错误:error:ambiguousreferencetomember'>'letmoveDirection=dx>0?.right:.left代码如下:enumMoveDirection{casenonecaseleftcaseright}overridefunctouchesMoved(_touches:Set,withevent:UIEvent?){guardlettouch=touches.firstelse{return;}letlocation=touch.location(in:humanPlayerScreen)letpreviousL

swift - 删除 NSAttributedString : "Type of expression is ambiguous without more context"

谁能告诉我哪里出了问题?letmyTitle=NSAttributedString(string:Xdevices[row].deviceName!,attributes:[NSFontAttributeName:UIFont(name:"Georgia",size:15.0)!,NSForegroundColorAttributeName:UIColor.orangeColor(),NSStrikethroughStyleAttributeName:NSUnderlineStyle.StyleSingle])错误是:Typeofexpressionisambiguouswithout