web-applications

问题 I'm building hotel service web application and I'm want to use MatBlazor component called MatAutocompleteList for choosing clients for reservations I've encountered an issue when Client is selected like on the screen And I remove this value leaving it blank and press enter application throws an exception: System.ArgumentNullException: Value cannot be null. (Parameter 'model') at Microsoft.AspNetCore.Components.Forms.FieldIdentifier..ctor(Object model, String fieldName) at Microsoft.AspNetCore

问题 I am trying to run a load test on my web application with Testcafe, by concurrently running a single test for each "user" in the system. I need to run 1000 instances of the test but ran into a resource problem on the test side - running multiple Testcafe instances is very resource heavy and I was wondering if anyone knows a way to run a batch of Testcafe tests concurrently without the performance overhead? 回答1: As an alternative, you can run TestCafe in an AWS lambda with a headless browser.

问题 I'm developing a web-application with Django, which should manage and process a huge amount of user' files in local intranet. As the Django app and user files will host in the same local network, there is no necessity to upload files, it's ok to provide Django with full network path to the file via user's view. I realised that it's impossible to get full file path from the browser due to security reasons. There is a lot of files a user will process every day (around 150-200), so it's not ok

问题 I'm having trouble with navigating between screen with react-router-dom. What I'm trying to do is that after completing an action I want to navigate to other screen. Sorry for the noob question but it's my first time working with react. 回答1: if you are using hooks, use react-router doms useHistory hook https://reactrouter.com/web/api/Hooks for example: import { useHistory } from "react-router-dom"; function HomeButton() { let history = useHistory(); function handleClick() { history.push("

问题 I'm trying to encrypt a web app's web.config, but this application exists on 2 different environments (stage, production), each of which should use a different key container. So I'm using this encryption header on my stage config: <configProtectedData defaultProvider="ApplicationProvider"> <providers> <add name="ApplicationProvider" type="System.Configuration.RsaProtectedConfigurationProvider, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a,

问题 I'm trying to encrypt a web app's web.config, but this application exists on 2 different environments (stage, production), each of which should use a different key container. So I'm using this encryption header on my stage config: <configProtectedData defaultProvider="ApplicationProvider"> <providers> <add name="ApplicationProvider" type="System.Configuration.RsaProtectedConfigurationProvider, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a,

问题 When I deploy my app locally with heroku local It starts up, but when I'm pushing it to remote, heroku toolbelt doesn't show any error, but here is what I get from logs: 2016-05-15T16:00:13.504799+00:00 heroku[slug-compiler]: Slug compilation started 2016-05-15T16:00:13.504808+00:00 heroku[slug-compiler]: Slug compilation finished 2016-05-15T16:00:19.131289+00:00 heroku[router]: at=error code=H14 desc="No web processes running" method=GET path="/" host=damp-ocean-4271.herokuapp.com request_id

问题 Is there a way to generate a specific IP address or make a specific site of flask http://127.0.0.1:5000/ site which runs locally, to access the web-app made using flask from different device as by default it runs locally and under http://127.0.0.1:5000/ but,i want to access it from different devices.If,there's a way please help 回答1: refer first to this doc (section Externally Visible Server ) on how to expose your local Flask app to make it accessible from trusted devices in your network for

问题 Is there a way to generate a specific IP address or make a specific site of flask http://127.0.0.1:5000/ site which runs locally, to access the web-app made using flask from different device as by default it runs locally and under http://127.0.0.1:5000/ but,i want to access it from different devices.If,there's a way please help 回答1: refer first to this doc (section Externally Visible Server ) on how to expose your local Flask app to make it accessible from trusted devices in your network for

问题 I was using log4j 1.2 earlier and I recently migrated to log4j 2.0 I was using below listener class in log4j 1.2 in web.xml <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> This listener class is removed after log4j 2.0 and I want replacement of this listener class which allow me to change logger level at runtime and update without restarting tomcat service in my web application. I have tried below listener but this is also restarting