ikataitsev

class Modul # "module" is a keyword in ruby
  attr_accessor :name, :size
  def initialize(name, size=1)
    @name = name
    @size = size
  end
  
  def inspect
    "#{name}(#{size})"    
  end

ikataitsev

foo = %w{demo coda dome doom mode}
foo.each do |w|
  if foo[0].bytes.sort == w.bytes.sort
    puts w
  end
end

ikataitsev

// /Library/Widgets/World Clock.wdgt/WorldClock.js
{city:'Sakhalin', offset:660, timezone:'Asia/Vladivostok', id:"2119441"}

// /Library/Widgets/World Clock.wdgt/English.lproj/localizedStrings.js
localizedCityNames['Sakhalin'] = 'Sakhalin';

ikataitsev

# /etc/ssh_config
ServerAliveInterval 100

ikataitsev

def fib n, dict = []
  if n < 2
    dict[0] = 1
  else
    dict[n-1] = ( dict[n-2] || fib(n-1, dict).last ) + ( dict[n-3] || fib(n-2, dict).last )
  end

  dict
end

ikataitsev

# Move dock to the corner
defaults write com.apple.Dock pinning end

ikataitsev

1. Copy and paste this to Terminal.app:
 
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/\
LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local\
-domain system -domain user
 
2. Relaunch Finder (Cmd+Option+Click on Finder icon and then Relaunch)

ikataitsev

class Activity < ActiveRecord::Base
  # Activity#result is a boolean
end

# Let's say

Activity.all.pluck(:result) # => [false, true, false, false, false, true]

# How can I calculate the number of the false results before that true one?

ikataitsev

- http://tools.ietf.org/html/rfc2616#section-13
- http://tomayko.com/writings/things-caches-do
- http://www.mnot.net/cache_docs/

ikataitsev

require 'active_record'
require 'yaml'
require 'mysql'
require 'logger'

task :default => :migrate

desc "Migrate the database through scripts in db/migrate. Target specific version with VERSION=x"
task :migrate => :environment do
  ActiveRecord::Migrator.migrate('db/migrate', ENV["VERSION"] ? ENV["VERSION"].to_i : nil )