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/**
 * Module dependencies.
 */

var express = require('express')
  , routes = require('./routes')
  , socket = require('socket.io')
  , RedisStore = socket.RedisStore
  , cluster = require('cluster');

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var io = require('socket.io-client');
var connection = process.env.LATENCY_CONNECTION || 100;
var host = process.env.LATENCY_HOST || 'localhost';
var options = {
  port: process.env.LATENCY_PORT || 3000,
  'force new connection': true
};

for (var i = 0; i < connection; i++) {
  (function() {

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// The .config() part is the relevant part, 'SomeModule' is arbitrary name, 
// but this config() call goes on your main ng-app="YourAppModule"
// The PHP $_POST expects data w/ a form content type, not a JSON payload
angular.module("YourAppModule", ["SomeModule"]).config(function($httpProvider) {
  $httpProvider.defaults.headers.put['Content-Type'] =
    'application/x-www-form-urlencoded';
  $httpProvider.defaults.headers.post['Content-Type'] =
    'application/x-www-form-urlencoded';
});

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var serialize = function(obj, prefix) {
	// http://stackoverflow.com/questions/1714786/querystring-encoding-of-a-javascript-object
	var str = [];
	for(var p in obj) {
		var k = prefix ? prefix + "[" + p + "]" : p, v = obj[p];
		str.push(typeof v == "object" ? serialize(v, k) : encodeURIComponent(k) + "=" + encodeURIComponent(v));
  	}
	return str.join("&");
}

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<?php
class WP_HTML_Compression
{
    // Settings
    protected $compress_css = true;
    protected $compress_js = true;
    protected $info_comment = true;
    protected $remove_comments = true;

    // Variables

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<?php

class Math {

        /**
         * The base.
         *
         * @var string
         */
        private static $base = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

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<?php

if (!function_exists('getOrderDetailById')) {

    //to get full order details
    function getOrderDetailById($id, $fields = null, $filter = array()) {

        if (is_wp_error($id)){
            return false;
        }

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<?php

if (!function_exists('getOrderDetailById')) {

    function getOrderDetailById($id, $fields = null, $filter = array()) {

        if (is_wp_error($id))
            return $id;

        // Get the decimal precession

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Install PostgreSQL 10 on Ubuntu

This is a quick guide to install PostgreSQL 10 - tested on Ubuntu 16.04 but likely can be used for Ubuntu 14.04 and 17.04 as well, with one minor modification detailed below.

(Optional) Uninstall other versions of postgres

To make life simple, remove all other versions of Postgres. Obviously not required, but again, makes life simple.

dpkg -l | grep postgres

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psql: FATAL: Peer authentication failed for user “postgres” (or any user)

The connection failed because by default psql connects over UNIX sockets using peer authentication, that requires the current UNIX user to have the same user name as psql. So you will have to create the UNIX user postgres and then login as postgres or use sudo -u postgres psql database-name for accessing the database (and psql should not ask for a password).

If you cannot or do not want to create the UNIX user, like if you just want to connect to your database for ad hoc queries, forcing a socket connection using psql --host=localhost --dbname=database-name --username=postgres (as pointed out by @meyerson answer) will solve your immediate problem.

But if you intend to force password authentication over Unix sockets instead of the peer method, try changing the following pg_hba.conf* line:

from