mikhailov

echo 'events {
    worker_connections            1024;
}

error_log                         /usr/local/Cellar/nginx/1.5.8/error.log;

http {
  include                         mime.types;
  default_type                    application/octet-stream;
  sendfile                        on;

mikhailov

# standard capistrano config goes here....
# Put the maintenance screen if DB migrations take in place only

before "deploy",                 "deploy:delayed_job:stop"
before "deploy:migrations",      "deploy:delayed_job:stop"

after  "deploy:update_code",     "deploy:symlink_shared", "deploy:assets_compress"
before "deploy:migrate",         "deploy:web:disable",    "deploy:db:backup"

after  "deploy",                 "newrelic:notice_deployment", "deploy:cleanup", "deploy:delayed_job:restart"

mikhailov

# This the bash script to handle up-and-runnig VM created through Vagrant
#!/usr/bin/env bash


# PRIVATE: error level message
error_message () {
  echo "$(tput setaf 1)ERROR: $1$(tput sgr0)"
}

mikhailov

#/bin/bash -e


RUBY_VERSION=2.0.0

if [ "$RUBY_VERSION" == '2.0.0' ]; then
  yum -y install ruby20 rubygems20 ruby-devel
  alternatives --set ruby /usr/bin/ruby2.0
elif [ "$RUBY_VERSION" == '1.9.3' ]; then
  yum -y install ruby19 rubygems19 ruby19-devel

mikhailov

module ActionDispatch
  class Reloader

    def call(env)
      if env['PATH_INFO'].include?(Rails.application.config.assets.prefix)
        @app.call(env)
      else
        @validated = @condition.call
        prepare!

mikhailov

net.inet.tcp.sack=1
net.inet.tcp.rfc1323=1
net.inet.tcp.recvspace=1048576
net.inet.udp.recvspace=1048576
net.inet.tcp.sendspace=1048576
net.inet.tcp.mssdflt=1460
net.inet.tcp.win_scale_factor=8

mikhailov

class Object

  class UnitTestError < StandardError; end

  def describe(description, &block)
    if Object.class_eval(&block)
      print '.'
    else
      puts 'FAIL ' + description
      raise UnitTestError

mikhailov

#!/bin/sh

ip route |grep default # default via 10.235.9.1 dev eth0
ip route change default via `ip route| awk '/^def/{print $3}'` dev eth0 initcwnd 16
ip route |grep default # default via 10.235.9.1 dev eth0 initcwnd 16

sysctl -w net.ipv4.tcp_slow_start_after_idle=0
sysctl -a |grep net.ipv4.tcp_slow_start_after_idle

mikhailov

class ActiveRecord::ConnectionAdapters::Mysql2Adapter

private
  alias_method :configure_connection_without_strict_mode, :configure_connection

  def configure_connection
    configure_connection_without_strict_mode
    strict_mode = "SQL_MODE='STRICT_ALL_TABLES'"
    execute("SET #{strict_mode}", :skip_logging)
  end

mikhailov

class ReverseSentence

  def initialize(string)
    @array, @array_reversed = string.split(" "), []
  end

  def process    
    @array_reversed << @array.pop while @array.any?
    @array_reversed.join(" ")
  end