react

Does the ReactNative ListView accept an array of arrays ? For I need to receive the API data as follows: [[{"userId":1,"use ... valid React element (or null) must be returned. You may have returned undefined, an array or some other invalid object."

I am developing an application with React. I have the index file.jsx below: import React from 'react'; import { render } fr ... e; return { alert }; } const connectedApp = connect(mapStateToProps)(App); export { connectedApp as App };

In a project SPA that will soon be used also in a mobile app, I need to know what the main differences are to decide which framework I should specialize in.

Hello, I'm new to React and I have a question about sharing properties. For example, I want to have a parent component that ... omDropDown visible="false"; I would like to know how best to do this while respecting good practice. I appreciate the help!

I want to know if it is possible to comment a block of code inside the render () method in React, I tried every way I know of ... ão funciona --> /* Não funciona */ -- Não funciona </div> </div> ); }

I created a component class with my screen of splash. And I want that after a few seconds, the navigation goes to the other s ... re('./img/logonome.png')} style={styles.imgnome} /> </View> </View> ); navigate('chat'); }

Using ES5 in ReactJS development, a component can be declared as follows: var MyComponent = React.createClass({ alertSome ... w operator, can anyone tell me what the real purpose of using bind is? It's something related to React's internal mechanisms?

Next, I have an API that returns error 500 every time it violates the business rule by returning me a status and a message. W ... any way I can get the JSON that it returns to me, even if it bursts status 500? It does not fall into either then or cath

Is it possible for a text field to receive only the characters below? numeros | espaço | barra (/) | traço (-) The type field number does not help me in this case, would it be cool to use the type text in this case?

Well, I started programming in React Native yesterday and still don't quite understand how to do things.... I need to pass a ... test2 </Text> </TouchableHighlight> </View> </View> ); }

I see in frameworks as Angular, Vue, React, the concept of reactivity. I'm totally layman on the subject, and for what li ... ction(){ console.log('Usuario fez alguma ação que mudou a variavel') variavel = 2 }, 5000) } Usuario() observable()

How do I remove this focus / outline from the input? This is my HTML I'm using ReactJS, Bootstrap-react <div classNam ... rmGroup> </div> </div> It looks like this when I click inside the input:

I am building an application in React Native using the services of Firebase and Redux. Every day, I register new documents th ... no avail. Https://github.com/facebook/react-native/issues/20011 Https://github.com/facebook/react-native/issues/13649

To with a problem in the auto indentation of VSCode, I have already tried to disable even so the problem remains. When saving a file VSCode automatically changes the indentation, follows the image of before saving and after saving:

I am developing a simple private chat in ReactJS and Socket.io. meanwhile a problem arose to solve the following situation. ... : "[email protected]", nickname: "carlos", **socketId: "BwaRW_6zF5rCwRGcAAAC"**} If anyone can help, I thank you right now!!

I am developing an application with React with Hooks and functional components, and I came across the following logic: I need ... ) } export default Register; The error that happens: TypeError: Cannot read property 'setRegister' of undefined

I am trying to make an todolist with React and at the moment I have two components: TodoListApp and TodoForm. In TodoListApp ... ms is not a function As if the todoform component is not receiving the function as prop. Does anyone know what it can be?

I'm trying to use an image as the background of a page in a project in react, I thought of importing with styled-components but I couldn't succeed, it follows a print where the image is, and how I tried to call it:

Hello when I type the second url in my location the Route works leading to Page requested, but when I did the build hosted an ... ure the same does not work Giving page not found anyone know how to fix this problem? Follow attached the image of my App.js.

I have an application in .NET MVC where I use the Session to store the logged in user data. But within this application I h ... idMount() { } render() { return ( <div> </div> ); } }