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Javascript 2021-09-29 04:48:03
how to clear state in react hooks
const { useState } = React; function signupUser() { return new Promise(resolve => { setTimeout(resolve, 1000); }); } const initialState = { username: "", email: "", password: "", passwordConfirmation: &qu... Add solution -
Java 2021-09-28 18:24:05
react native appearance.addchangelistener android
// add this code to MainActivity.java import android.content.res.Configuration; @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); getReactInstanceManager().onConfigurationChanged(this... Add solution -
Javascript 2021-09-28 14:44:03
how to make a search bar in react django
import * as React from 'react'; import { Searchbar } from 'react-native-paper'; export default class MyComponent extends React.Component { state = { firstQuery: '', }; render() { const { firstQuery } = this.state; return ( <Se... Add solution -
Javascript 2021-09-28 13:02:05
vue multiselect array is not updated
Use @select (for select a new element from array) and @remove (for delete element from array) Example: <multiselect @select="selectionChange" @remove="removeElement" required> In vue methods add: this.$forceUpdate(); will updat... Add solution -
Javascript 2021-09-27 14:56:02
Warning: Failed prop type: You provided a `value` prop to a form field without an `onChange` handler.
state = { keyword: 'test' } inputChangedHandler = (event) => { const updatedKeyword = event.target.value; // May be call for search result } render() { return ( <input type="text" placeholder=&quo... Add solution -
Javascript 2021-09-27 09:36:02
javascript slider get value react
getInitialState: function() { return {value: 3}; }, handleChange: function(event) { this.setState({value: event.target.value}); }, render: function() { return ( <input id="typeinp" type="range" min=&qu... Add solution -
TypeScript 2021-09-25 17:16:02
testing inputs with react testing library
import React from 'react' import { render, fireEvent } from '@testing-library/react' class CostInput extends React.Component { state = { value: '', } removeDollarSign = value => (value[0] === '$' ? value.slice(1) : value) getReturnValue =... Add solution
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