Ömer Demircan omeroot

output of under command is your server ip address
$>dig +short A $(dig +short MX example.com | head -1 | cut -d' ' -f2)
if output is not ip address; create mx record
MX RECORD
indicates hostname pointing to your mail server ip address

#VIM

kntrl + o //open command line in vim

:colorschema =>press tab and select something
:syntax enable

:set number => show line number

if you want new schema

	# ##### ##### ###### ####### ##### # ####### ####### #
	# # # # # # # # # # # # # # # ##
	# # # # # # # # # # # # # #
	# # # #### # #### ###### ##### # #### # # # ##### #
	####### # # # # # # # # # ####### # # #
	# # # # # # # # # # # # # # # #
	# # ##### ##### # # ####### ##### # # # ####### #####


	//example object of document

	YOURMODEL
	{
	_id
	process : [{
	_id : //mongo generate automatic
	title : {type: Schema.Types.Mixed, default: {}},
	description : {type: Schema.Types.Mixed, default: {}},
	image : {type: String},
	order : {type: Number}
	}]

	create .ssh/config file
	write in to
	Host *
	ServerAliveInterval 60


	function Huffman(text){
	this.text = text;
	this.coded = {};
	this.node = {
	right: null,
	left: null,
	freq: 0,
	code:""
	};

	var instance = " abcdefgğhıijklmnoöpqrsştuüvyzwx".split("");

	function encrypt(message, key){
	message = message.split("");

	for(var i = 0 ;i< message.length ; i++){
	var index = instance.indexOf(message[i].toLowerCase());
	message[i] = instance[ (index + key) % instance.length ];
	}

	var array = [];

	function addElement(element){
	for(var i = array.length ; i>0 && element <= array[i-1] ; --i){
	array[i] = array[i-1];
	}
	array[i] = element;
	}
	addElement(5);// array => [5]
	addElement(2);// array => [2,5]

	var EventEmitter = require('events').EventEmitter;

	EventEmitter.prototype.emit = function(type){
	console.log(type);//output : end
	var handler = this._events[type];

	/**
	*output: function(r, callback){
	callback(r);
	}

	<html>
	<head></head>

	<body>
	<% var queue = [],l=null,r=null; %>
	<% queue.push(btree) %>
	<% while(queue.length > 0){ %>

	<% var s = queue.shift() %>