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ricardoduarte ~ $ sudo brew install postgresql
==> Downloading ftp://ftp.ossp.org/pkg/lib/uuid/uuid-1.6.2.tar.gz
######################################################################## 100,0%
==> ./configure --disable-debug --without-perl --without-php --without-pgsql --p
==> make
==> make install
/usr/local/Cellar/ossp-uuid/1.6.2: 11 files, 364K, built in 17 seconds
==> Downloading http://ftp9.us.postgresql.org/pub/mirrors/postgresql/source/v9.0
######################################################################## 100,0%
==> ./configure --disable-debug --prefix=/usr/local/Cellar/postgresql/9.0.1 --en

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sudo tar -C /opt -xvjf FileZilla_3.2.7.1_i586-linux-gnu.tar.bz2

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# Para um novo projeto, crie esta estrutura
[dev-user1] $ mkdir projeto
[dev-user1] $ cd projeto
[dev-user1] $ git init
[dev-user1] $ touch README
[dev-user1] $ git add .
[dev-user1] $ git commit -am "Initial commit"

# Crie no servidor um repositório do tipo bare para "guardar" os commits
[bare-server1] $ mkdir -p /git/projeto

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Este how-to é para Ubuntu e deve funcionar em qualquer distribuição Linux baseada em Debian. Para outros sistemas operacionais, help-yourself!

Instalando Ruby

$ sudo apt-get install ruby irb ri rdoc ruby1.8-dev libzlib-ruby libyaml-ruby libreadline-ruby libncurses-ruby libcurses-ruby libruby libruby-extras libfcgi-ruby1.8 build-essential libopenssl-ruby libdbm-ruby libdbi-ruby libdbd-sqlite3-ruby libsqlite3-dev libsqlite3-ruby libxml-ruby libxml2-dev

Instalando o RubyGems

$ wget http://rubyforge.org/frs/download.php/60718/rubygems-1.3.5.tgz
$ tar -xvzf rubygems-1.3.5.tgz
$ cd rubygems-1.3.5
$ sudo ruby setup.rb

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class User < ActiveRecord::Base
  def name=(name)
    self[:name] = name.downcase
  end
  def name
    self[:name].capitalize
  end
end

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git push origin nova-funcionalidade

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# /app/controllers/timesheets_controller.rb
class TimesheetsController < ApplicationController
  has_scope :by_employee
  has_scope :by_place    
  def index
    @timesheets = apply_scopes(Timesheet).all
  end
end

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capify .
# [add] writing `./Capfile'
# [skip] `./Capfile' already exists
# [add] writing `./config/deploy.rb'
# [done] capified!

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function base62_encode($num){
    $chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $base = 62;
    $result = '';
 
    while($num >= $base) {
        $r = $num%$base;
        $result = $chars[$r].$result;
        $num = $num/$base;
    }

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 # app/models/customer.rb
class Customer < ActiveRecord::Base
  has_one :user
  delegate :login, :login=, :password, :password=, :to => :user
end

# app/models/user.rb
class User < ActiveRecord::Base
  belongs_to :customer
end