khanhnguyen

require 'openssl'

class String
  def encrypt(key)
    cipher = OpenSSL::Cipher::Cipher.new('DES-EDE3-CBC').encrypt
    cipher.key = Digest::SHA1.hexdigest key
    s = cipher.update(self) + cipher.final

    s.unpack('H*')[0].upcase
  end

khanhnguyen

perl msgconvert.pl YourMessage.msg

khanhnguyen

useradd -G www-data iain
chown -R www-data:www-data /var/www/example.com
chmod 775 /var/www

khanhnguyen

sudo /opt/nginx/sbin/nginx 

khanhnguyen

class ListsController < ApplicationController
  before_filter :authenticate, :except => :public

  caches_page :public

  caches_action :index, :if => proc do
    !request.format.json?  # cache if is not a JSON request
  end

  caches_action :show, :cache_path => { :project => 1 },

khanhnguyen

whenever --update-crontab --set environment=development
crontab -l

khanhnguyen

Job.__elasticsearch__.create_index!
Job.__elasticsearch__.import force: true

khanhnguyen

tail -f log/development.log | grep -vE 'asset|system|shared|layout|blog|jobs'

khanhnguyen

function get_avatar_from_service(service, userid, size) {
    // this return the url that redirects to the according user image/avatar/profile picture
    // implemented services: google profiles, facebook, gravatar, twitter, tumblr, default fallback
    // for google   use get_avatar_from_service('google', profile-name or user-id , size-in-px )
    // for facebook use get_avatar_from_service('facebook', vanity url or user-id , size-in-px or size-as-word )
    // for gravatar use get_avatar_from_service('gravatar', md5 hash email@adress, size-in-px )
    // for twitter  use get_avatar_from_service('twitter', username, size-in-px or size-as-word )
    // for tumblr   use get_avatar_from_service('tumblr', blog-url, size-in-px )
    // everything else will go to the fallback
    // google and gravatar scale the avatar to any site, others will guided to the next best version

khanhnguyen

class NotificationMailer < ActionMailer::Base
  
  def new_notification_email(notification,receiver)
    @notification = notification
    @receiver = receiver
    subject = notification.subject.to_s
    subject = strip_tags(subject) unless subject.html_safe?
    mail :from => "#change your own", :to => receiver.send(Mailboxer.email_method,notification),
         :subject => t('mailboxer.notification_mailer.subject', :subject => subject),
         :template_name => 'new_notification_email'