jerefrer

module TimeZoneHelpers
  extend ActiveSupport::Concern

  def self.randomize_timezone!
    offsets = ActiveSupport::TimeZone.all.group_by(&:formatted_offset)
    zones = offsets[offsets.keys.sample] # Random offset to better vary the time zone differences
    Time.zone = zones.sample # Random zone from the offset (can be just 1st, but let's do random)
    puts "Current rand time zone: #{Time.zone}. Repro: Time.zone = #{Time.zone.name.inspect}"
  end

jerefrer

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.myapp.myapp" >
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
    <permission android:protectionLevel="signature" android:name="com.parse.starter.permission.C2D_MESSAGE" />

jerefrer

$ > data = "45973294435a352c55d6cbf0"
 => "45973294435a352c55d6cbf0" 
$ > bytes = data.scan(/../).map(&:hex)
 => [69, 151, 50, 148, 67, 90, 53, 44, 85, 214, 203, 240] 
$ > bytes[8].to_f / 2 - 27
 => 15.5 # Température
$ > bytes[9].to_f / 50
 => 4.28 # Voltage batterie

# Jusqu'ici tout va bien

jerefrer

source 'https://rubygems.org'

gem 'rails', '4.2.4'
gem 'rails-i18n'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'slim-rails'
gem 'pg'

jerefrer

class ConvertDbToUtf8 < ActiveRecord::Migration

  def self.up
    if Rails.env.production?
      db_config = ActiveRecord::Base.connection.instance_values["config"]
      db_name = db_config[:database]
      db_user = db_config[:username]
      db_pass = db_config[:password] || ''

      latin1_dump = 'latin1_dump.sql'

jerefrer

class @GoogleAnalytics

  @load: ->
    # Google Analytics depends on a global _gaq array. window is the global scope.
    window._gaq = []
    window._gaq.push ["_setAccount", GoogleAnalytics.analyticsId()]

    # Create a script element and insert it in the DOM
    ga = document.createElement("script")
    ga.type = "text/javascript"

jerefrer

// app/views/users/index.html.haml

= javascript_include_tag '//maps.google.com/maps/api/js?v=3.13&sensor=false&libraries=geometry'
= javascript_include_tag '//google-maps-utility-library-v3.googlecode.com/svn/tags/markerclustererplus/2.0.14/src/markerclusterer_packed.js'

#map{style: "height: 400px;"}

:javascript
  window.load_google_map('map', #{@map_markers})

jerefrer

Deploy Rails app to digitalocean with nginx, unicorn, capistrano & postgres

Create droplet of your liking (ubuntu 12.10 x32)

ssh to root in terminal with your server ip

ssh root@123.123.123.123

Add ssh fingerprint and enter password provided in email

jerefrer

source 'http://rubygems.org'

gem 'rails', '3.2.12'
gem 'mysql2'

gem 'unicorn'

gem "therubyracer", ">= 0.8.2"

gem 'fastercsv' if RUBY_VERSION < "1.9"

jerefrer

#!/usr/bin/env ruby

require 'fileutils'

webricks = Dir.glob(File.join("/home/#{ENV['USER']}/.rvm/rubies/**/webrick/config.rb"))
webricks.each do |webrick|
  FileUtils.cp webrick, "#{webrick}.bak"
  output = File.read(webrick).gsub('DoNotReverseLookup => nil', 'DoNotReverseLookup => true')
  File.open(webrick, "w") {|file| file.puts output}
end