cmthakur

variable "aws_region" {
  default     = "eu-west-1"
}

variable "domain" {
  default = "my_domain"
}

provider "aws" {
  region = "${var.aws_region}"

cmthakur

# Model
class Company < ApplicationRecord
  has_many_attached :attachments
end

# Controller
def create
    @company = Company.new(company_params)
    attachments = params[:company][:attachments]

cmthakur

require "active_record"

namespace :db do

  db_config       = YAML::load(File.open('config/database.yml'))
  db_config_admin = db_config.merge({'database' => 'postgres', 'schema_search_path' => 'public'})

  desc "Create the database"
  task :create do
    ActiveRecord::Base.establish_connection(db_config_admin)

cmthakur

Solution to StoreError: invalid keystore format (OS X)

The following error appeared upon upgrading JRuby:

OpenSSL::X509::StoreError: setting default path failed: Invalid keystore format

Download cacert.pem

cmthakur

def variables
  variables =  GC.stat.keys.map(&:to_s)
end

variables.each do |name|
 instance_variable_set("@#{name.to_s.gsub(' ', '_')}", Array.new())
end

def get_recent_stats

cmthakur

Devise.setup do |config|  
  config.warden do |manager|
     manager.strategies.add(:remote, Devise::Strategies::RemoteAuthenticatable)
     manager.default_strategies(:scope => :user).unshift :remote
  end
end

cmthakur

project_dir = "my_code_hub"
repos = Dir["#{project_dir}/*"]

success_pull = repos.map do |rep_path|
  response = `cd #{rep_path}; git checkout master; git pull`;
  print '=>'
  rep_path.split('/').last if response.length > 0
end;

cmthakur

Backup MySQL to Amazon S3

This is a simple way to backup your MySQL tables to Amazon S3 for a nightly backup - this is all to be done on your server :-)

Sister Document - Restore MySQL from Amazon S3 - read that next

1 - Install s3cmd

this is for Centos 5.6, see http://s3tools.org/repositories for other systems like ubuntu etc

cmthakur

# LiquidView is a action view extension class. You can register it with rails
# and use liquid as an template system for .liquid files
#
# Example
# 
#   ActionView::Base::register_template_handler :liquid, LiquidView
class LiquidView
  PROTECTED_ASSIGNS = %w( template_root response _session template_class action_name request_origin session template
                          _response url _request _cookies variables_added _flash params _headers request cookies
                          ignore_missing_templates flash _params logger before_filter_chain_aborted headers )

cmthakur

DigitalOcean Ubuntu 14.04 x64 + Rails 4 + Nginx + Unicorn + PostgreSQL + Capistrano 3

Create a Droplet

SSH into Root

$ ssh [email protected]

Change Root Password