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/*
f = número de casas decimais
d = separador de decimos (’,’ virgula por padrão)
t = separador de milhar (’.’ ponto por padrão)
*/

String.prototype.currencyFormat = function (f, d, t) {
    var n = (n = this.match(/\d/g)) ? n.join('').replace(/^0+/,'') : '0', f = (f) ? f : 2, d = (d) ? d : ',', t = (t) ? t : '.';
    if (n.length < f + 1) return '0' + d + ((n.length < f) ? new Array(f - n.length + 1).join('0') + n : n)
    else return n.substr(0, n.length - f).split('').reverse().join('').match(/\d{1,3}/g).join(t).split('').reverse().join('') + d + n.substr(n.length - f)

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class Hash
  def diff(hash)
    raise ArgumentError, 'Argument is not a Hash' unless hash.is_a? Hash
    kkeys = []
    self.keys.each do |k|
      diff = self[k].diff(hash[k]) if self[k].is_a? Hash and hash[k].is_a? Hash  
      kkeys << {k => diff} if diff and diff.size > 0
    end
    diff = self.keys - hash.keys 
    kkeys << diff if diff and diff.size > 0

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Valor do aparelho 7500 btus =/+ R$ 700

Potência do aparelho: 754 w
Em kilowatt-hora: 0,754 kwh
Consumo durante 8 horas: 0,754 kwh * 8h = 6.032 kw
Consumo 8 horas durante 30 dias = 6.032 kw * 30 = 180.96 kw
Valor do kwh: R$ 0.56290

180.96 kwh = +/- R$ 102

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var $;

// Add jQuery
(function(){
    if (typeof unsafeWindow.jQuery == 'undefined') {
        var GM_Head = document.getElementsByTagName('head')[0] || document.documentElement,
            GM_JQ = document.createElement('script');

        GM_JQ.src = 'http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js';
        GM_JQ.type = 'text/javascript';

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import java.awt.AWTException;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;

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source 'http://rubygems.org'

gem 'rails', '3.0.5'

gem 'pg'
gem 'inherited_resources', '~> 1.2.1'
gem 'haml'
gem 'formtastic', '~> 1.2.3'
gem 'capistrano'
gem 'clearance'

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#!/bin/bash

if [ -f $1 ]
then
  sed "s/[[:blank:]]*$//" "$1" > "$1.tmp"
  mv "$1.tmp" "$1"
else
  echo "File $1 does not exist.\n"
fi

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#! /usr/bin/env python

""" Convert values between RGB hex codes and xterm-256 color codes.

Nice long listing of all 256 colors and their codes. Useful for
developing console color themes, or even script output schemes.

Resources:
* http://en.wikipedia.org/wiki/8-bit_color
* http://en.wikipedia.org/wiki/ANSI_escape_code

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# SSL self signed localhost for rails start to finish, no red warnings. 

# 1) Create your private key (any password will do, we remove it below)

$ openssl genrsa -des3 -out server.orig.key 2048


# 2) Remove the password

$ openssl rsa -in server.orig.key -out server.key

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awk '{ print "*" NF "\r"; for(i = 1; i <= NF; i++) { print "$" length($i) "\r\n" $i "\r" } }'