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
string to number javascript
// Method - 1 ### parseInt() ###
var text = "42px";
var integer = parseInt(text, 10);
// returns 42
// Method - 2 ### parseFloat() ###
var text = "3.14someRandomStuff";
var pointNum = parseFloat(text);
// returns 3.14
// Method - 3 ### Number() ###
Number("123"); // returns 123
Number("12.3"); // returns 12.3
Number("3.14someRandomStuff"); // returns NaN
Number("42px"); // returns NaN
how to change a string to number in javascript
let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123
convert string to number javascript
var myString = "869.99"
var myFloat = parseFloat(myString)
var myInt = parseInt(myString)
javascript string to a decimal
<script language="JavaScript" type="text/javascript">
var a = "3.3445";
var c = parseFloat(a);
alert(c);
</script>
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