sashaegorov

factors = -> (n) { (1..n).select{|x| n % x === 0} }
prime = ->(n){ (factors === n) === [1,n] }
(1..).lazy.select(&prime).take(10).to_a

sashaegorov

// DELETE my-index

// PUT my-index
{
  "settings": {
    "analysis": {
      "analyzer": {
        "auto_completion_analyzer": {
          "type": "custom",
          "filter": [

sashaegorov

function sleep (time, arg) {
  console.log(`Sleep started for ${arg}...`);
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve(arg);
    }, time);
  });
}

await sleep(1000, this.report.pagination.pageNumber)

sashaegorov

require 'active_record'
require 'arel'

# Ruby-like syntax in AR conditions using the underlying Arel layer (Rails >= 3.0).
#
# What you would usually write like this: 
#
#   User.where(["users.created_at > ? AND users.name LIKE ?", Date.yesterday, "Mary"])
#
# can now be written like this (note those parentheses required by the operators precedences):

sashaegorov

# --------------------------------------------------------------------------------------------------------------------- #
# Conversion of http://eslint.org/docs/rules/ to an actual .eslintrc file:
# Copied: 04/01/2015
# Updated to yaml format: 05/15/2015
# Copied by: Ely De La Cruz <elycruz@elycruz.com>
# --------------------------------------------------------------------------------------------------------------------- #

# --------------------------------------------------------------------------------------------------------------------- #
# Environemnt Types:
# --------------------------------------------------------------------------------------------------------------------- #

sashaegorov

var cluster = require('cluster');

if (cluster.isWorker) {

  console.log('Worker ' + process.pid + ' has started.');

  // Send message to master process.
  process.send({msgFromWorker: 'This is from worker ' + process.pid + '.'})

  // Receive messages from the master process.

sashaegorov

class Parent
  attr_accessor :a, :b
  def initialize(a)
    @a = a
  end
  private
  def set_b
    @b = 'b'
  end
end

sashaegorov

# A class-based template for jQuery plugins in Coffeescript
#
#     $('.target').myPlugin({ paramA: 'not-foo' });
#     $('.target').myPlugin('myMethod', 'Hello, world');
#
# Check out Alan Hogan's original jQuery plugin template:
# https://github.com/alanhogan/Coffeescript-jQuery-Plugin-Template
#
(($, window) ->

sashaegorov

require 'benchmark'

N = 10_000_000

Benchmark.bmbm do |bm|
  bm.report('String') do
    N.times do
      a = 'devise/session'
      a.sub('/', '-')
    end

sashaegorov

$ ssh egorov@hdp001.rdb
$ echo 42 > big_data.txt
$ hadoop fs -put big_data.txt /tmp
$ hadoop fs -ls /tmp
Found 1 item
-rw-r--r--   3 egorov    supergroup          3 2015-07-10 02:41 /tmp/big_data.txt
$ hadoop fs -du /tmp/big_data.txt
3  /tmp/big_data.txt
[egorov@hdp001 ~]$ hadoop fs -stat %o /tmp/big_data.txt
134217728