voleoo

sqrt - square root
up = good +(fair/2 )
down =poor +(fair/2 )
n = up + down (count voice  )
z = 1.64485; //1.0 = 85%, 1.6 = 95%  constant  
phat = up / n;   (good / count voice(n))
(phat+z*z/(2*n)-z*sqrt((phat*(1-phat)+z*z/(4*n)/n))/(1+z*z/n);


doc http://habrahabr.ru/company/darudar/blog/143188/#habracut

voleoo

http://pvr.wnet.ua:8018/

voleoo

You need to add the following entry in /etc/apt/sources.list or a new file in /etc/apt/sources.list.d/:

deb http://cdn.debian.net/debian experimental main
You can install it with the following commands:

$ apt-get update
$ apt-get install -t experimental iceweasel
Please report any problem to the [email protected] list.

voleoo

export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"

voleoo

var cnJqueryUi = angular.module('cn.jquery', []);

cnJqueryUi.directive('autoComplete', function($http) {

  // by default do not format autocomplete data
  var defaultFormatter = function(data) { return data };

  return {

    scope: {

voleoo

deb http://apt.postgresql.org/pub/repos/apt/ squeeze-pgdg main

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install postgresql-9.3 postgresql-server-dev-9.3

http://wiki.postgresql.org/wiki/Apt

voleoo

Установка nodejs на debian
# echo deb http://ftp.us.debian.org/debian/ sid main > /etc/apt/sources.list.d/sid.list
# apt-get update
# apt-get install nodejs

voleoo

require File.join(File.dirname(__FILE__), 'deploy/nginx')
require File.join(File.dirname(__FILE__), 'deploy/log')

default_run_options[:pty] = true
set :ssh_options, { :forward_agent => true }

set :application, "appname"
set :repository,  "git@giturl"

set :scm, :git

voleoo

rails g migration add_image_to_adf_special_offers image:string
rails g migration remove_image_from_adf_special_offers image:string

voleoo

ls command options

ls command main options:
option 	description
ls -a 	list all files including hidden file starting with '.'
ls --color 	colored list [=always/never/auto]
ls -d 	list directories - with ' */'
ls -F 	add one char of */=>@| to enteries
ls -i 	list file's inode index number
ls -l 	list with long format - show permissions