components

问题 I have header that should be used in both child and parent module.that was imported and used in parent module but when try to import and using in child component it showing error.I mean how to use common header for both parent and child module Uncaught (in promise): Error: Type HeaderComponent is part of the declarations of 2 modules: AppModule and ProviderModule! Please consider moving HeaderComponent to a higher module that imports AppModule and ProviderModule. You can also create a new

问题 So I have a simple component within a web app I have been working on and I was wondering if there is a way I could render an element within this component based on the value of this.props.item. here is my JSX: var React = require("react"); var actions = require("../actions/SchoolActions"); module.exports = React.createClass({ deleteSchool: function(e){ e.preventDefault(); actions.deleteSchool(this.props.info); }, render:function(){ return( <div className="panel panel-default"> <div className=

问题 I know how to init components using ComponentFactoryResolver.resolveComponentFactory(AComponentType) but the method expects a Type , while in my code I have the name of the type as a string . In the Angular API is there a method to resolve by string ? If not, how can I convert a string to a Type in TypeScript? In case that none of the above is possible I will resort to a map but it's not so straightforward as the components I need to instantiate will come from remotely fetched UMD angular

问题 I'm having an issue with a Coldfusion component that I'm building. Well, I'm not really sure if it's a problem or how things are supposed work, but it seems strange. First, I set up arguments for the init function of my component and invoke the component. But if I change one of the arguments after I invoke, it also changes the values held in the component. Is this correct? I'm not sure if I'm explaining this very well. Here's some pseudo-code: <cfset fruit = [] /> <cfset fruit[1] = { id = 1,

问题 I have a custom ReactJS component that I want to style in a certain way and provide as a plugin to many different web sites. But when web sites use global styles (Twitter bootstrap or another css framework) it adds and overrides styles of my component. For example: global.css: label { color: red; font-weight: bold; } component.js: class HelloMessage extends React.Component { render() { let style = { color: "green" }; return (<label style={style}>Hello</label>); } } result: Above I didn't use

问题 as i am new to CQ5.5 I was wondering if it is possible to add a css script within a CQ5.5 componenet. Script as follow alike < style type="text/css"> .testScript { margin: 0; padding: 0; -webkit-border-radius: 5px 5px 0 0; -moz-border-radius: 5px 5px 0 0; border-radius: 5px 5px 0 0; } < /style> As when i tried to do this and run my html site through the wc3 validator, i have to following error document type does not allow element "style" here < style type="text/css" > The element named above

问题 I have a react component, which generate many keys for a time, I am not sure which one is not unique. The error is as below. Any easy way to help debugging? thanks! react.js:19500 Warning: Each child in an array or iterator should have a unique "key" prop. Check the render method of MyGrid . See https ://fb.me/ react-warning-keys for more information. 回答1: This is a warning that you have NOT assigned a key, rather than it isn't actually unique, the next line of the message should tell you

问题 This question already has an answer here : Activate router-link that has multi level nested routes with CRUD setup (1 answer) Closed 2 years ago . i have defined route like { path:'/admins', name:'admin.admins', component: Admin, children: [ { path:'add', name:'admin.add', component:addAdmin }, { path:'edit/:id', name:'admin.edit', component:editAdmin } ] } if i declare children route outside children like { path:'/admins', name:'admin.admins', component: Admin }, { path:'/add', name:'admin

问题 This question already has an answer here : Activate router-link that has multi level nested routes with CRUD setup (1 answer) Closed 2 years ago . i have defined route like { path:'/admins', name:'admin.admins', component: Admin, children: [ { path:'add', name:'admin.add', component:addAdmin }, { path:'edit/:id', name:'admin.edit', component:editAdmin } ] } if i declare children route outside children like { path:'/admins', name:'admin.admins', component: Admin }, { path:'/add', name:'admin

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I'm trying to create a component that must use a Bitmap, I'm having a problem when I go to select the image on the property. Here is an excerpt of the code: Property Declaration Property StarOff: TBitmap read