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flash[:error] = "#{@post.errors.full_messages.to_sentence}"

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Best solution:

http://stackoverflow.com/a/808776/1180523

# model
validates   :email,    :uniqueness => { message: "is wrong" }
validates   :name,    :uniqueness => { message: "Your name is wrong" }

HUMANIZED_ATTRIBUTES = {
  :email => "E-mail address",
  :name => "" # don't include column name in error

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How to setup your VMWare Fusion 6 images to use static IP addresses on Mac OS X

At Crush + Lovely, we use Railsmachine's Moonshine to automate the configuration of our servers. When writing our deployment recipes, VMWare Fusion's ability to take snapshots and rollback to these snapshots is a huge timesaver because it takes just seconds to roll a server image to it's original state.

When you're just configuring a single server, having a static IP address for your server image isn't too important, but when you're configuring multi-server setups, it can be useful to duplicate a number of server images and give each a static IP address so you can consistently deploy to them. While not documented well at all, it turns out that this is relatively easy to accomplish in four simple steps.

1. Determine the MAC address of your guest machine

Let's say you have a guest machine with the name ubuntu-lucid-lynx-base

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#!/bin/bash
NOWDATE=`date +%Y-%m-%d`
BACKUPNAME="$NOWDATE.sql.gz"

echo "Creating backup of database finances to $BACKUPNAME"
mysqldump --user=[username] --password=[password] [database] | gzip -9 > $BACKUPNAME

echo "Succesfully created database backup"

echo "Uploading backup to Amazon S3 bucket…"

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Rails Tutorial

• The Basics
  • Outline:
    • Learn to create a new Rails project to keep track of your Starship Fleet. (You have a Fleet, right?)
• Some good, clean, DRY code
  • Coming next time...
• Making our Tracker actually useful
  • Coming next time...
• Layouts, Mailers, and Looking good while we work

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# Install Git and Ruby
$ sudo apt-get install git ruby

# Install Node v5 (or higher)
(https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions)

$ curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -
$ sudo apt-get install -y nodejs build-essential

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In application_controller.rb

before_filter :allow_iframe_requests

def allow_iframe_requests
  # allows iframe testing in development
  # http://stackoverflow.com/a/17862331/1180523
  response.headers.delete('X-Frame-Options')
end

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Check: https://askubuntu.com/a/142430/54348

• for Linux

  • /etc/ssh/ssh_config

• for Mac:

  • ~/.ssh/config
  • or /etc/ssh/ssh_config

Add this to your SSH config file:

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https://bosnadev.com/2015/12/15/allow-remote-connections-postgresql-database-server/

First, make sure your AWS EC2 security group allows PostgreSQL external access:

• Type: PostgreSQL
• Protocol: TCP
• Port Range: 5432
• Source: Custom 0.0.0.0/0

Edit the following files:

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Some references:

• https://www.justinrummel.com/resizing-a-vmware-fusion-ubuntu-server-virtual-hard-drive-via-easy-mode/
  • don't follow this one, it'll piss you off
  • only follow the start down to where you resize disk, download GParted (already downloaded with rest of ISO's), then mount it
• https://youtu.be/cDgUwWkvuIY?t=5m36s

Steps

1. remove any snapshots (you cannot increase size in VMWare until you've done so)