Nguyễn Thanh Tùng nguyenthanhtung88

Install Docker

Docker for Ubuntu: https://docs.docker.com/engine/installation/linux/ubuntulinux/

sudo apt-get update && apt-get install -y apt-transport-https ca-certificates
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

// Open the /etc/apt/sources.list.d/docker.list and add the following line then save it
// Ubuntu 14.04
deb https://apt.dockerproject.org/repo ubuntu-trusty main

// Ubuntu 16.04

To remove a submodule you need to:

Delete the relevant section from the .gitmodules file.
Stage the .gitmodules changes git add .gitmodules
Delete the relevant section from .git/config.
Run git rm --cached path_to_submodule (no trailing slash).
Run rm -rf .git/modules/path_to_submodule (no trailing slash).
Commit git commit -m "Removed submodule "
Delete the now untracked submodule files rm -rf path_to_submodule

	//in the model
	class User extends Eloquent {

	protected $softDelete = true;

	}

	//in the migration, to create a soft delete column
	$table->softDeletes();

	<?php

	class Collection implements IteratorAggregate
	{
	/**
	* The collection contents.
	*
	* @var array
	*/
	protected $items;