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=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

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Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers

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Raspberry Pi setup routine

Headless boot to SSH over WiFi

/etc/network/interfaces

auto lo
auto eth0

allow-hotplug wlan0

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@textfile = ARGV.first

#Mi codigo bonito
  def read_file_and_write_pairs(filename)
    read_file = File.open(Dir.glob(File.join("**",filename)).first, 'r' )
    temp_file = File.open("temp.txt", 'w' )
    cdp_string = ""
    read_file.readlines.each do |line|
      #si linea tiene CDP guardar variable (no se como guardar en una variable que pueda usar luego)
      #dentro de la iteracion declaras dos variables

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#Implement in constant time, i.e. O(1), the following operations: push, pop, retrieve the minimum element.
 class Stack 
  attr_accessor :queue
   def initialize 
     @queue = [] 
     @min = [] 
   end

   def push e 
     @queue.push(e) 

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##CREATING PDF USING PRAWN IN ROR

Recently i was working on a client project and i realized that i need to create a PDF for generating a invoice on the fly. I wanted something

As i started searching my way for options, i found out that there are lot of gems and plugins available in the rails community for generating PDF.

There were two options for me which were widely used for generating PDF.

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//  main.c
//  ejercicio_uno_dos
//
//  Created by Gustavo Gimenez on 7/8/14.
//  Copyright (c) 2014 Gustavo Gimenez. All rights reserved.
//

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

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#Quiz

Al 15 / 7 / 14

La compañia Cars fabrica tres modelos de vehículos:

• Rapid
• Audax
• Supersonic

Diariamente produce 500 turismos Rapid de lujo L y 350 del tipo normal N. Asimismo, fabrica 400 L y 250 N de su modelo Audax y 300 L y 550 N de su modelo Supersonic.

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###It could just be your system management controller. Try resetting it using the following procedure: ##Resetting the System Management Controller (SMC) Note: Portable computers that have a battery you should not remove on your own include MacBook Pro (Early 2009) and later, all models of MacBook Air, and MacBook (Late 2009).

• Shut down the computer.
• Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
• On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
• Release all the keys and the power button at the same time.
• Press the power button to turn on the computer.
  Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.

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