tikarammardi

const net = require("net");
const readline = require("readline");

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
});

const port = process.env.PORT ?? 3000;
const host = process.env.HOST ?? "127.0.0.1";

tikarammardi

const net = require("net");
const port = process.env.PORT ?? 3000;

const server = net.createServer((socket) => {
  console.log("Client connected");

  socket.on("data", (data) => {
    console.log(`Server Received msg: ${data}`);
    socket.write(`Server has received your message: ${data}`);
  });

tikarammardi

#!/bin/sh
# set -x verbose #echo on

# Find files with trailing whitespace
for file in `git diff --check --cached | grep '^[^+-]' | grep -o '^.*[0-9]\+:'` ; do
    file_name=`echo ${file} | grep -o '^[^:]\+'`
    line_number=`echo ${file} | grep -oP '(?<=:)[0-9]+(?=:)'`
    sed -i '' "${line_number}s/[[:space:]]*$//" ${file_name}
    git add ${file_name}
done

tikarammardi

function setWindowSize(size){
let startWindow = 10;
let endWindow = 30;
if(size > endWindow){
  throw new RangeError(` Size ${size} is out of range`);
}
//do some more coding
}

tikarammardi

try{
// some code to run
}catch(e){
if(e instanceof EvalError ){
//do something
}else{
//do something else
}

tikarammardi

// main
function main(){
   try{
   if(conditon){
    throw new Error('We have error here, bye bye , see you in catch block');
    }
    // this part of code it won't reach
   }catch(e){
    console.log('Error is :', e);
   }