vitaly

#!/usr/bin/env ruby
# put in /etc/munin/plugins and restart munin-node
# by Dan Manges, http://www.dcmanges.com/blog/rails-application-visualization-with-munin
# NOTE: you might need to add munin to allow passwordless sudo for passenger-memory-stats 
 
def output_config
  puts <<-END
graph_category App
graph_title Passenger memory stats 
graph_vlabel count

vitaly

#!/usr/bin/env ruby

def output_config
  puts <<-END
graph_category App
graph_title passenger status
graph_vlabel count

sessions.label sessions
max.label max processes

vitaly

✗ which bundle
bundle () {
	if (
			unset bundle
			command -v bundle > /dev/null 2>&1
		)
	then
		true
	else
		if (

vitaly

module Devise
  module Models

    # Validatable creates all needed validations for a user email and password.
    # It's optional, given you may want to create the validations by yourself.
    # Automatically validate if the email is present, unique and it's format is
    # valid. Also tests presence of password, confirmation and length
    module Validatable
      # All validations used by this module.
      VALIDATIONS = [ :validates_presence_of, :validates_uniqueness_of, :validates_format_of,

vitaly

# Lets say you have f1, f2, f3 - functions provided by some API that you can't change
# and they use the standard (err, res...) callback scheme
# then suppose you need to call 3 of them one after the other
# the usual js way will be this:
foo = (params, callback) ->
  f1 something, (err, res) ->
    if err
      callback err
    else
      f2 something, (err, res) ->

vitaly

class C
  def initialize(x)
    @x = x
  end

  def each(&block)
    @x.times(&block) 
  end

  include Enumerable

vitaly

safe do
  local :path => "backup/:kind"

  tar do
    archive "a1", :files => "some-directory-to-backup"
  end
end

require "fileutils"

vitaly

safe do
  local :path => "backup1"

  tar do
    archive "a1", :files => "some-directory-to-backup"
  end
end


safe do

vitaly

#!/usr/bin/env ruby
require 'base64'
require 'openssl'
require 'digest/sha1'


def ask(prompt)
  STDOUT.print "#{prompt}: "
  readline.strip
end

vitaly

  def self.postprocess(id)
    Measurement.find(id).postprocess!
  end

  def postprocess!
    process_start!
    ImagesPostProcess.inspector_post_process("/demo/measurements/#{id}")
    process_end!
  end