routes

问题 I have two doubts regarding usage of Route from react-router-dom ( v4.3.1 ): When do we use component vs render in Route : <Route exact path='/u/:username/' component={ProfileComponent} /> <Route exact path='/u/:username/' render={() => <ProfileComponent />} /> How to access the variable username in the URL in both ways? 回答1: When you pass a component to the component prop, the component will get the path parameters in the props.match.params object, i.e props.match.params.username in your

问题 this is my first post so i'll try to be understandable. I am starting with symfony, and there is a problem i can't resolve alone. This is my controller, and I am working with WAMP. When my Url is "mysite.local", it work normally, and it show me what it should (thanks to the home() function). But when my Url is "mysite.local/hello", i have the following error. Not Found The requested URL was not found on this server. Apache/2.4.41 (Win64) PHP/7.4.0 Server at mysite.local Port 80 I guess this

问题 I have created an angular application version 7 and project structure is like this. app module have app-routing.module.ts and dashboard module have dashboard-routing module.ts. In dashboard module, the layout component route has child components namely home and admin. Here is my code: AppModule import { AppRoutingModule } from './app-routing.module'; import { DashboardModule } from './dashboard/dashboard.module'; import { AppComponent } from './app.component'; import { LoginComponent } from '

问题 I have created an angular application version 7 and project structure is like this. app module have app-routing.module.ts and dashboard module have dashboard-routing module.ts. In dashboard module, the layout component route has child components namely home and admin. Here is my code: AppModule import { AppRoutingModule } from './app-routing.module'; import { DashboardModule } from './dashboard/dashboard.module'; import { AppComponent } from './app.component'; import { LoginComponent } from '

问题 I have created an angular application version 7 and project structure is like this. app module have app-routing.module.ts and dashboard module have dashboard-routing module.ts. In dashboard module, the layout component route has child components namely home and admin. Here is my code: AppModule import { AppRoutingModule } from './app-routing.module'; import { DashboardModule } from './dashboard/dashboard.module'; import { AppComponent } from './app.component'; import { LoginComponent } from '

问题 I would like to know how do I get the shortest path between two points on a map made by the leaflet package. I have the map done (figure below), but I would like to calculate the shortest path, as well as show this route on the map. It is possible?? The executable code is below. library(leaflet) library(geosphere) #database df<-structure(list(Properties = c(1,2,3,4,5,6,7,8,9,10), Latitude = c(-23.2, -23.6, -23.9, -23.9, -23.6, -23.5, -23.9, -23.9, -23.6, -23.9), Longitude = c(-49.6, -49.6,

问题 I'm strugling with authorization middleware in Slim4. Here's my code: $app = AppFactory::create(); $app->add(new Authentication()); $app->group('/providers', function(RouteCollectorProxy $group){ $group->get('/', 'Project\Controller\ProviderController:get'); })->add(new SuperuserAuthorization()); Authentication middleware checks the user and works fine. The method get in ProviderController is public function get(Request $request, Response $response): Response{ $payload = []; foreach(Provider:

问题 For some reason, my ASP.NET web application returns error 500 (apparently originating from handler "ExtensionlessUrlHandler-Integrated-4.0") when a non-existing route is accessed. This issue has started to occur after I had changed path="*." to path="*" in the <add name="ExtensionlessUrlHandler-Integrated-4.0" ... line of my Web.config file in order to solve another problem (failure to process routes with a dot after the last slash). I cannot change path back to "*." , even though exactly

问题 For some reason, my ASP.NET web application returns error 500 (apparently originating from handler "ExtensionlessUrlHandler-Integrated-4.0") when a non-existing route is accessed. This issue has started to occur after I had changed path="*." to path="*" in the <add name="ExtensionlessUrlHandler-Integrated-4.0" ... line of my Web.config file in order to solve another problem (failure to process routes with a dot after the last slash). I cannot change path back to "*." , even though exactly

问题 For some reason, my ASP.NET web application returns error 500 (apparently originating from handler "ExtensionlessUrlHandler-Integrated-4.0") when a non-existing route is accessed. This issue has started to occur after I had changed path="*." to path="*" in the <add name="ExtensionlessUrlHandler-Integrated-4.0" ... line of my Web.config file in order to solve another problem (failure to process routes with a dot after the last slash). I cannot change path back to "*." , even though exactly