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Dokku v0.5.6 Rails workflow

Straight to Maintenance

0. Set up Droplet

Initialize the droplet with dokku app pre-setup

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How to convert existing phoenix app to an umbrella app.
https://elixir-lang.slack.com/archives/phoenix/p1472921051000134


chrismccord [10:14 PM]  
@alanpeabody yes, it's straightforward

[10:14]  
1) mix new my_umbrella --umbrella

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# Sample implementation of quicksort and mergesort in ruby
# Both algorithm sort in O(n * lg(n)) time
# Quicksort works inplace, where mergesort works in a new array

def quicksort(array, from=0, to=nil)
    if to == nil
        # Sort the whole array, by default
        to = array.count - 1
    end

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Copyright (c) 2015, Shahar Evron
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this 
list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 

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import UIKit

@IBDesignable
class CustomButton: UIButton {
    @IBInspectable var borderColor: UIColor? = UIColor.clearColor() {
        didSet {
            layer.borderColor = self.borderColor?.CGColor
        }
    }
    @IBInspectable var borderWidth: CGFloat = 0 {

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Deploy Rails 4 app with Dokku on DigitalOcean

Install dokku

First create a Ubuntu 13.04 x64 droplet on DigitalOcean Control Panel

Then ssh with root account, run this in termianl:

$ wget -qO- https://raw.github.com/progrium/dokku/master/bootstrap.sh | sudo bash

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Update and upgrade the system

sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade
sudo apt-get autoremove
sudo reboot