cheeyeo

# app/models/importer.rb
class Importer
  include ActiveModel::Validations
  include ActiveModel::Conversion

  VALID_IMPORT_TYPES = ['contact']

  validates :import_type, inclusion: { in: VALID_IMPORT_TYPES }

  attr_reader :parser, :import_type

cheeyeo

# A small DSL for helping parsing documents using Nokogiri::XML::Reader. The
# XML Reader is a good way to move a cursor through a (large) XML document fast,
# but is not as cumbersome as writing a full SAX document handler. Read about
# it here: http://nokogiri.org/Nokogiri/XML/Reader.html
# 
# Just pass the reader in this parser and specificy the nodes that you are interested
# in in a block. You can just parse every node or only look inside certain nodes.
# 
# A small example:
# 

cheeyeo

# I'm no benchmark guru. Just did a bunch of:
$ time ruby <filename>

# Note: This is just an 80mb XML file with 38,000 nodes.

ox_dom.rb        4.56s  user 0.78s system 93% cpu 5.714  total (550mb)
ox_dom.rb        4.58s  user 0.79s system 87% cpu 6.126  total (550mb)
ox_dom.rb        4.60s  user 0.80s system 87% cpu 6.140  total (550mb)
nokigiri_dom.rb  11.75s user 1.02s system 94% cpu 13.518 total (895mb)
nokigiri_dom.rb  11.36s user 1.02s system 93% cpu 13.211 total (895mb)

cheeyeo

module Kernel
  def system(*args)

    rd, wr = IO.pipe

    # Create a new subprocess that will just exec the requested program.
    pid = fork do
      # The sub-process closes its copy of the reading end of the pipe
      # because it only needs to write.
      rd.close

cheeyeo

#!/usr/bin/ruby -w

require 'csv'
require 'active_support/core_ext'

class Parser

  attr_accessor :input_folder
  attr_accessor :output_folder
  attr_accessor :filename

cheeyeo

# Use Nokogiri::XML::SAX::Parser (event-driven parser) and Nokogiri::XML::SAX::Document

require 'nokogiri'

class IDCollector < Nokogiri::XML::SAX::Document
  attr :ids

  def initialize
    @ids = []
    @inside_id = false

cheeyeo

echo -n $'\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01\x03\x62\x61\x64\x00\x00\xf9\x00\x01\x03\x62\x61\x64\x00\x00\x10\x00\x01\x00\x00\x00\xc8\x00\x06\x05\x68\x65\x6c\x6c\x6f' | nc -u localhost 53

cheeyeo

http://stackoverflow.com/questions/26739167/jwt-json-web-token-automatic-prolongation-of-expiration

http://zacstewart.com/2015/05/14/using-json-web-tokens-to-authenticate-javascript-front-ends-on-rails.html

cheeyeo

var API = {
  get: function() {
    return new Promise(function() {
      // ... some code to get remotely
    });
  }  
}
 
var UserAPI = {
  getById: function(id) {

cheeyeo

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