dx7

In the Beginning was the Command Line

by Neal Stephenson


About twenty years ago Jobs and Wozniak, the founders of Apple, came up with the very strange idea of selling information processing machines for use in the home. The business took off, and its founders made a lot of money and received the credit they deserved for being daring visionaries. But around the same time, Bill Gates and Paul Allen came up with an idea even stranger and more fantastical: selling computer operating systems. This was much weirder than the idea of Jobs and Wozniak. A computer at least had some sort of physical reality to it. It came in a box, you could open it up and plug it in and watch lights blink. An operating system had no tangible incarnation at all. It arrived on a disk, of course, but the disk was, in effect, nothing more than the box that the OS came in. The product itself was a very long string of ones and zeroes that, when properly installed and coddled, gave you the ability to manipulate other very long strings of o

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# update_attribute

guitar.update_attribute(:state, 'used')

# method on model

class Guitar
  def mark_as_used
    self.state = 'used'
    self.save

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# Ruby Ree 1.8.7

$ irb
ree-1.8.7 irb> 80 * "#"
TypeError: String can't be coerced into Fixnum
	from (irb):1:in `*'
	from (irb):1
ree-1.8.7 irb> "#" * 80
 => "################################################################################" 

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Bem interessante esse iGist. A acho que eh uma maneira bem simples de escrever textos e compartilhar via iphone. 

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Macbook White Unibody 13-inch

Processor: 2.26 GHz Intel Core 2 Duo
Memory: 4 GB 1333 MHz DDR3
Graphics: NVIDIA GeForce 9400M 256 MB
Software: Mac OS X Lion 10.7.3
HD: 250 GB SATA Disk

VENDIDO

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gem list --local --no-versions | xargs gem uninstall -a -x

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# Run:
# bash < <(curl -Ls https://raw.github.com/gist/2511153)

# Source: http://caiustheory.com/install-gcc-421-apple-build-56663-with-xcode-42

echo "Grab and unpack the tarball."
mkdir ~/tmp && cd ~/tmp
curl -O http://opensource.apple.com/tarballs/gcc/gcc-5666.3.tar.gz
tar zxf gcc-5666.3.tar.gz
cd gcc-5666.3

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class Settings < YourAppName::Application
end

# The Problem:
# ==> .../.rvm/gems/ruby-1.9.3-p125/gems/railties-3.2.2/lib/rails/railtie/configurable.rb:12:in `inherited': 
# You cannot inherit from a Rails::Application child (RuntimeError)

# Because:
# http://apidock.com/rails/Rails/Application/Configurable/ClassMethods/inherited

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# Rspec formatter by RAFAELDX7
# Use: rspec --require "dx7_formatter.rb" --format Dx7Formatter -- ./spec/your_spec.rb

require 'rspec/core/formatters/base_text_formatter'

class Dx7Formatter < RSpec::Core::Formatters::BaseTextFormatter

  def index
    @index ||= -1
    @index += 1

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# my .inputrc file

# allow you to start typing a command and use the up/down arrow to auto complete from commands in your history
"\e[B": history-search-forward
"\e[A": history-search-backward