CarlosEspejo

group :development do
  gem 'railroady' 
  gem 'quiet_assets'
  gem 'letter_opener'
  gem 'pry'
  gem 'awesome_print'
end

CarlosEspejo

class CreateListProductInteractions < ActiveRecord::Migration
  def change
    create_table :list_product_interactions do |t|
      t.integer :votes_up, default: 0
      t.integer :votes_down, default: 0
      t.integer :votes_activity, default: 0
      t.integer :votes_total, default: 0
      t.integer :list_id
      t.integer :product_id

CarlosEspejo

// Coffee script
books = [1..25]
data = (book for book in books)
console.log data

// Generated Javascript
(function() {
  var book, books, data, _i, _results;

  books = (function() {

CarlosEspejo

require "rake/testtask"

Rake::TestTask.new(:test) do |t|
  t.libs << "spec"
  t.pattern = "spec/**/*_spec.rb"
end

Rake::TestTask.new(:webkit) do |t|
  t.libs << "spec_webkit"
  t.pattern = "spec_webkit/**/*_spec.rb"

CarlosEspejo

package main

import (
	"fmt"
	"os"
	"compress/gzip"
	"encoding/xml"
)

CarlosEspejo

Auto mounting drives on boot /etc/fstab

https://help.ubuntu.com/community/Fstab

helpful commands

sudo lsblk # list block devices
sudo blkid # Get block device UUID
sudo mount -a # will try to mount everything and throw errors if fstab is screwed up.

CarlosEspejo

  disable_ddl_transaction!
  
  def up
    add_column :users, :processed, :boolean
    change_column :users, :processed, :boolean, default: false
    execute 'update users set processed = false where processed is null'
    add_index :users, :processed, where: 'processed = false', algorithm: :concurrently
  end

CarlosEspejo

sudo cat /proc/[pid]/environ  | tr '\0' '\n'

CarlosEspejo

# Look into
# Explicitly define PATH at the top of your crontab file:

PATH=/Users/deployer/.rbenv/shims:/usr/local/bin:/usr/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin

Or

export PATH=~/.rbenv/shims:~/.rbenv/bin:"$PATH"

CarlosEspejo

Ubuntu 15.04 
sudo apt-get install numactl

# Open systemd file
# find /etc/systemd/ | grep -i mongo
/etc/systemd/system/multi-user.target.wants/mongod.service


[Unit]
Description=An object/document-oriented database