kumarldh’s gists

## server.js
var http      = require('http'), //http server
    urlparser = require('url'), //url parser & builder
    host      = 'sandbox',
    port      = 1337;
http.createServer(function (req, res) {
    var response = 'Hello, World!\n',
        url      = urlparser.parse(req.url, true).pathname;
    switch (url) {
        case('/hello'): //check for path, alternatively strip the front slash
            response = 'World!\n';

## server.js
var http      = require('http'), //http server
    urlparser = require('url'), //url parser & builder
    host      = 'sandbox',
    port      = 1337;
http.createServer(function (req, res) {
    var response = 'Hello, World!\n',
        url      = urlparser.parse(req.url, true).pathname;
    switch (url) {
        case('/hello'): //check for path, alternatively strip the front slash
            response = 'World!\n';

## niginx.conf
server {
        listen   80;


        server_name helloworld;


        location / {
                rewrite ^/(.*)$ /$1 break;
                proxy_set_header X-Real-IP  $remote_addr;

## mobile-phones-india.js
var re = /[789]\d{9}$/;
re.test(9876543210);
re.test(8765432109);
re.test(7654321098);
re.test(6543210987);
re.test(5432109876);

## basic vimrc
syntax enable           " enable syntax processing
set tabstop=4       " number of visual spaces per TAB
set softtabstop=4   " number of spaces in tab
set expandtab       " tabs are space
set number              " show line numbers
set showcmd             " show command in bottom bar
set cursorline          " highlight current line
filetype indent on      " load filetype-specific indent files
set wildmenu            " visual autocomplete for command menu
set showmatch           " highlight matching [{()}]

## bashrc
command_exists () {
    type "$1" &> /dev/null ;
}

# grep always with color and line number
alias grep='grep -n --color=always'

# git
if command_exists git ; then
    alias gitco='git checkout'

## virtual-host
<VirtualHost *:80>
    #webmaster's email address
    ServerAdmin webmaster@localhost
    ServerName my-virtual-host
    DocumentRoot /var/www/my-virtual-host/document/root/
    <Directory />
        Options FollowSymLinks
        #Comment following to enable oveririding through .htaccess, e.g. mod_rewrite
        AllowOverride None
    </Directory>

## timer-setimeout.html
<html>
<head>
<title>timer using setTimeout</title>
</head>
<body>
<script>
var timer = function () {
    var i = 0;
    return function () {
        i = i + 1;

## gist:669ec77a5263be54b06a
<!DOCTYPE html>
<html>
    <head>
        <title>Check if a given a number is power of 2</title>
        <meta charset="UTF-8">
    </head>
    <body>
Check if a given number is power of 2. This can be modified any number less than 10.
<script>
function isPowerOf2(input){

## gist:26f3feaa56068939f50c
<!DOCTYPE html>
<html>
    <head>
        <title>Given a number count trailing zeros!</title>
        <meta charset="UTF-8">
    </head>
    <body>
This is different from counting trailing zeroes from a given factorial.
<script>
function countTrailingZeros(input){