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## Builder for NixOS configurations defined at the end of the file to be built into KVM VM's
{ system ? builtins.currentSystem }:

let
  loadcfg = cfgfile: { config, pkgs, ...}: {
    imports = [ <nixos/modules/virtualisation/qemu-vm.nix> cfgfile ];
    config = {
      networking.extraHosts = ''
        176.32.0.254 template
      '';

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/*
    To calculate the RUC number for your cedula:
    Starting with the rightmost digit, multiply it by 2.
    Then, multiply the next digit by 3 and add it to the first result.
    Then, multiply the next digit by 4 and add it to the running total.
    ... keep doing this.
    Finally, take the remainder of the the total divided by 11 (called the modulo), 
    and subtract it from 11.

    original inspiration: http://www.necesitomas.com/digito-verificador

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defmodule YourAppName.Search do

  # ...

  @doc """
  Queries listings.
  """
  def query_listings(query, current_user) do
    default_scope = from l in Listing, where: l.draft == false or l.user_id == ^current_user.id, order_by: [desc: l.updated_at], limit: 50
    id = _try_integer(query)

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Install OS X 10.10 Yosemite in VirtualBox

Due to the high usage of this guide and the lack of comfort in Gist's commenting area, I decided to make a blog post out of this which you can find here:

http://blog.frd.mn/install-os-x-10-10-yosemite-in-virtualbox/

https://www.youtube.com/watch?v=tafqhSUfKnY points to: https://drive.google.com/folderview?id=0B9oZd81xqtTOckJOT25uTzVfT3c&usp=sharing