address already in use ruby
#get list of process running on tcp:3000
lsof -wni tcp:3000
#you will get something like this
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ruby 2401 ubuntu 10u IPv4 805038 0t0 TCP 127.0.0.1:3000 (LISTEN)
ruby 2401 ubuntu 15u IPv6 805039 0t0 TCP [::1]:3000 (LISTEN)
#now kill process.
#by running this command ->$ kill -9 <PID>
kill -9 2401
#now try to start your server again.react native textinput
import React, { Component } from 'react';
import { TextInput } from 'react-native';
export default function UselessTextInput() {
const [textInputValue, setTextInputValue] = React.useState('');
return (
<TextInput
style={{
height: 40,
borderColor: 'gray',
borderWidth: 1,
placeholderTextColor: 'gray',
}}
onChangeText={text => setTextInputValue(text)}
value={textInputValue}
placeholder="Insert your text!"
/>
);
}Copyright © 2021 Codeinu
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