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Migrations & Seeding

What are migrations??

Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.

To learn more about migrations, check out this article on the different types of database migrations!

Creating/Dropping Tables

Exposed headers

Service	SSL	status	Response Type	Allowed methods	Allowed headers

Install `dnsmasq` and configure for *.dev.local domains

$ brew install dnsmasq
$ vim /usr/local/etc/dnsmasq.conf

Reload configuration and clear cache

# Copy the daemon configuration file into place.
$ sudo cp $(brew list dnsmasq | grep /homebrew.mxcl.dnsmasq.plist$) /Library/LaunchDaemons/

$ sudo launchctl unload /Library/LaunchDaemons/homebrew.mxcl.dnsmasq.plist

	// Adapted from: https://www.geeksforgeeks.org/find-length-largest-region-boolean-matrix/

	"use strict";

	var M1 = [
	[ 0, 0, 1, 1, 0 ],
	[ 1, 0, 1, 1, 0 ],
	[ 0, 1, 0, 0, 0 ],
	[ 0, 0, 0, 1, 1 ]
	];

	module.exports = {
	root: true,
	env: {
	browser: true,
	node: true,
	},
	parserOptions: {
	parser: '@babel/eslint-parser',
	requireConfigFile: false,
	},

	<html>
	<head>
	<title>Stripe Gradient</title>
	</head>
	<body>
	<canvas id="gradient-canvas" data-js-darken-top data-transition-in>
	<!--
	Remove data-js-darken-top to keep the same brightness in the upper part of the canvas
	-->
	</canvas>

	/* preventScrollWhenSoftKeyboardAppearsIfThereIsPlentyOfRoom(event)
	*
	* Attach this handler to `touchstart` on any UI control that brings up the keyboard when you don't want iOS
	* MobileSafari to scroll when a user taps it. Assumes that the input is near the top of the page and the user has
	* not scrolled down (specific to my case, sorry!)
	*
	* requires top-level CSS directives so we can add it to the body:
	* ```
	* .prevent-ios-focus-scrolling {
	* position: fixed;

	/**
	* Get Local IP Address
	*
	* @returns Promise Object
	*
	* getLocalIP().then((ipAddr) => {
	* console.log(ipAddr); // 192.168.0.122
	* });
	*/
	function getLocalIP() {

	[{
	"Note": "The first two digits (ranging from 10–43) correspond to the province, while the last two digits correspond either to the city/delivery zone (range 01–50) or to the district/delivery zone (range 51–99). Afghanistan Postal code lookup",
	"Country": "Afghanistan",
	"ISO": "AF",
	"Format": "NNNN",
	"Regex": "^\\d{4}$"
	}, {
	"Note": "With Finland, first two numbers are 22.",
	"Country": "Åland Islands",
	"ISO": "AX",