Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
                                
                            Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
                                
                            Error: listen EADDRINUSE: address already in use :::3000
//To find the process id (PID) associated with the port
lsof -i tcp:3000 
COMMAND PID   USER  FD  TYPE DEVICE             SIZE/OFF NODE NAME 
node    44475 chen5 31u IPv4 0x8b1721168764e4bf 0t0 TCP *:strexec-s (LISTEN)
//Then to kill the process
kill -9 44475
                                
                            how to convert string to int js
let string = "1";
let num = parseInt(string);
//num will equal 1 as a int
                                
                            Javascript string to int
var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256
                                
                            convert string to number javascript
var myString = "869.99"
var myFloat = parseFloat(myString)
var myInt = parseInt(myString)
                                
                            string to int javascript
var text = '42px';
var integer = parseInt(text, 10);
// returns 42
let myNumber = Number("5.25"); //5.25
                                
                            string to int javascript
var text = '42px';
var integer = parseInt(text, 10);
// returns 42
                                
                            convert string to integer javascript
const stringPrices = ['5.47', '3.12', '8.00', '5.63', '10.70'];
let priceTotal = 0;
// priceTotal should be: 32.92
// Write your code below
stringPrices.forEach(stringPrice => {
price = parseFloat(stringPrice);
  priceTotal += price;
});
                                
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