許益銘 rc1021

First in a powershell create a new network switch

New-VMSwitch -SwitchName "SwitchName" -SwitchType Internal
Get-NetAdapter       // (note down ifIndex of the newly created switch as INDEX)
New-NetIPAddress -IPAddress 192.168.0.1 -PrefixLength 24 -InterfaceIndex <INDEX>
New-NetNat -Name MyNATnetwork -InternalIPInterfaceAddressPrefix 192.168.0.0/24

In your ubuntu server open your network netplan

Local SSL websites on macOS Sierra

These instructions will guide you through the process of setting up local, trusted websites on your own computer.

These instructions are intended to be used on macOS Sierra, but they have been known to work in El Capitan, Yosemite, Mavericks, and Mountain Lion.

NOTE: You may substitute the edit command for nano, vim, or whatever the editor of your choice is. Personally, I forward the edit command to Sublime Text:

alias edit="/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl"

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

	version: '2'
	services:
	myapp:
	build: .
	container_name: "myapp"
	image: debian/latest
	environment:
	- NODE_ENV=development
	- FOO=bar
	volumes:

	FROM gliderlabs/alpine:3.3
	COPY myawesomescript /bin/myawesomescript
	COPY root /var/spool/cron/crontabs/root
	RUN chmod +x /bin/myawesomescript
	CMD crond -l 2 -f

	<script type="text/javascript">
	$(function () {
	$("#user_success").on('submit', function(){
	var message = "";
	var emptyValue = false;
	var name = $('[name="name"]', $(this)).val();
	var area = $('select[name="area"] option:selected', $(this)).val();
	var time = $('select[name="time"] option:selected', $(this)).val();
	var email = $('[name="email"]', $(this)).val();
	var phone = $('[name="phone"]', $(this)).val();

	Google alerts is a way to manage your content by subscribing to keywords. Here is an example on how to make that google alert with php.

	Get the feed url and parse the feed. There won't be any feed available as soon the alert is created.

	-------------------------------------

	Copy composer.json and do composer update.

	Add this to providers

	MIT License

	Copyright (c) 2014 Piotr Kuczynski

	Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

	The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWAR

	public static IEnumerable<IEnumerable<T>> Split<T>(this T[] array, int size)
	{
	for (var i = 0; i < (float)array.Length / size; i++)
	{
	yield return array.Skip(i * size).Take(size);
	}
	}

	<?php
	/**
	* The below functions take the single level array of items as an argument
	* and turn it into a multidimensional array structure (tree),
	* where each item has an array of sub-items.
	*
	* Each item should have at least an `id` and `parent_id`,
	* where the `parent_id` is `0` if it's top level.
	*
	* Source: http://goo.gl/p2GybZ