cristianrasch

PGP encryption guide

Generating your key pair

gpg --gen-key

echo "export GPGKEY=01086FDA" > ~/.bashrc

elgalu

- Returns?
module Module
  def const_missing(name)
    "sorry i don't have #{name} yet"
  end
end
Untitled #=> ?
Monkeys  #=> ?
=>
You get `TypeError: Module is not a module` before reaching Untitled code

ceneon

Para recategorizarte en el Monotributo, la aplicación de AFIP da error de Javascript por todos lados.
A menos que entres con Internet Explorer...

Para hacer el trámite en Chrome, Firefox o cualquier browser decente:

- Entrá con tu clave fiscal
- Abrí la aplicación de "Monotributo"
- Ignorá el formulario y abrí la siguiente URL:

https://servicios1.afip.gov.ar/tramites_con_clave_fiscal/monotributo/valida_cuit.asp?tramite=3&cuit=___TU_CUIT___&intesoc=N&eventual=N&coop=N&cuitcoop=0

cristianrasch

#!/usr/bin/env ruby

# Debian pkg dependencies:
# - pngcrush
# - libjpeg-progs
# - imagemagick

# Usage: optimize-images graphic1.png photo1.jpeg bash-glob-exp1

require "fileutils"

wacko

ruby -e 'z=0x1F551;->(c,&b){loop{c.each(&b)}}.(11.times.map{|i|[z+i].pack("U")}){|m|print "#{"\b"*3}#{m}  ";sleep 0.1}'

wacko

# Fractal #1
ruby -e "36.times{|l|puts (0..99).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.9,2*x*y+l/14.0-1.2,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"
 
# Fractal #2
ruby -e "32.times{|l|puts (0..78).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.5,2*x*y+l/14.0-1,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"

# Fractal #3
ruby -e "57.times{|l|puts (-20..135).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.5,2*x*y+l/14.0-2,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"

mapopa

Don't use MongoDB

I've kept quiet for awhile for various political reasons, but I now feel a kind of social responsibility to deter people from banking their business on MongoDB.

Our team did serious load on MongoDB on a large (10s of millions of users, high profile company) userbase, expecting, from early good experiences, that the long-term scalability benefits touted by 10gen

jimweirich

def project(name, &block)
  Project.new(name, &block)
end

class Project
  def initialize(name, &block)
    @name = name
    @context = eval("self", block.binding)
    instance_eval(&block) if block_given?

pekeler

gem 'rails', '3.2.12' # change version to 3.2.11 to see this working, 3.2.12 is broken
require 'active_record'
 
ActiveRecord::Base.establish_connection(
  :adapter  => 'sqlite3',
  :database => ':memory:'
)
 
ActiveRecord::Schema.define do
  create_table :users, :force => true do |t|

wacko

$ traceroute 216.81.59.173

traceroute to 216.81.59.173 (216.81.59.173), 64 hops max, 52 byte packets
 1  * * *
 2  * * *
 3  * * *
 4  * * *
 5  133-165-89-200.fibertel.com.ar (200.89.165.133)  66.947 ms
    189-165-89-200.fibertel.com.ar (200.89.165.189)  64.246 ms
    157-165-89-200.fibertel.com.ar (200.89.165.157)  64.231 ms