【Flutter 错误The argument type 'Color' can't be assigned to the parameter type 'MaterialStateProperty<Color?>?'.dart(argument_type_not_assignable)】的更多相关文章

passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type

-Werror,编译出现如下错误: src/wtk/exam/wtk_ndx.c:154:6: error: passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type [-Werror] ret = wtk_hlv_rec_init(&(nd->rec_hd), &(cfg->rec_hd), nd->hmmset, 0.02f); ^In fi…

Spring错误之org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bean named 'bookService' is expected to be of type 'pw.fengya.tx.BookService' but was actually of type 'com.sun.proxy.$Proxy1

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'cashier': Unsatisfied dependency expressed through field 'bookService'; nested exception is org.springframework.beans.factory.BeanNotOfRequiredTypeExcept…

错误：Required request parameter 'XXX' for method parameter type String is not present

错误信息:Required request parameter 'XXX' for method parameter type String is not present 这种都是前端请求方式不同,后端处理方式不同 可以设置一下dataType 一定要注意 @ResponseBody 的使用 最终在一个博主评论下面看见了解决答案: 还有一个致命的一点,@ResponseBody本身不强制内容,返回的就是文本.如果方法体返回的是对象,大概率会调用这个对象的toString(),可以是重写也可以继承…

flutter报错The type of the function literal can't be inferred because the literal has a block as its body.A value of type 'String?' can't be assigned to a variable of type 'String'.

flutter有一些报错如下 The type of the function literal can't be inferred because the literal has a block as its body. Try adding an explicit type to the variable.dart(top_level_function_literal_block) A value of type 'String?' can't be assigned to a variabl…

Jekins 插件Extended Choice Parameter显示Json Parameter Type遇到的问题

在jenkins中使用Extended Choice Parameter插件用来显示自定义的多选项,尝试通过groovy script来显示,正常,但查看它的例子,发现它例子中多选是通过类型 Json Parameter Type 想尝试使用下,直接从帮助中拷贝了一个例子,已经是里面最简单的一个选择颜色的例子 选择类型 "JSON Parameter Type"  再选择"JSON Parameter Config Groovy Script"    把例子中的内容…

default parameter value for ‘color’ must be a compile-time constant

定义了一个函数,函数有一个参数是Color类型的可选参数,想要设置其默认值为Color.Black http://stackoverflow.com/questions/2804395/c-sharp-4-0-can-i-use-a-color-as-an-optional-parameter-with-a-default-value I've run into this as well and the only workaround I've found is to use nullables…

Remote error: VAR and OUT arguments must match parameter type exactly'

在XE10中 downloadfile(filename: string; out FileStream: TStream; out FileSize: int64)是没有问题的,升级到delphi 10.1 berlin后,报 调用时报: Remote error: VAR and OUT arguments must match parameter type exactly 错误. 用TDBXJSONStream代替TStream,经测试可行.…

Does the parameter type of the setter match the return type of the getter?

JDK 1.8, dubbo-admin版本是2.5.4-SNAPSHOT,tomcat8.5启动,报错: ERROR context.ContextLoader - Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'uriBrokerService': Cannot create inner bean '(in…

Refused to execute script from '....js' because its MIME type ('text/html') is not executable, and strict MIME type checking is enabled.md

目录 问题描述 解决过程 总结 问题描述 在整合 Spring Boot.Spring Security.Thymeleaf 的练习中,对页面进行调试时,发现如下错误提示: Refused to execute script from 'http://localhost:8080/codelib-springsecurity-sample-web/js/ie10-viewport-bug-workaround.js' because its MIME type ('text/html') is…

because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checkin

1 前言 浏览器报错误(chrome和firefox都会):because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checkin... 2 解决方案 <link rel="stylesheet" href="../../../Static/css/common/common.css" media="all"&g…