Seung Kwak GUIEEN

Docker downloads all updates into a directory in /Users/$USER/Library/Caches/com.docker.docker/org.sparkle-project.Sparkle Let's make this directory inaccessible to the user under which Docker is going to run (you).

Switch to root user:

  sudo su

Change directory ownership and prevent access to other users:

Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

brew doctor
brew update

Bridging Native & React for iOS & Android

	#!/usr/bin/env osascript -l JavaScript

	const App = Application.currentApplication();
	App.includeStandardAdditions = true;

	const kCFPrefsFeatureFlagsDir = '/Library/Preferences/FeatureFlags/Domain';
	const kCFPrefsFeatureEnabledKey = 'Enabled';

	const kUIKitDomainPrefsTemporaryPath = '/tmp/UIKit.plist';
	const kUIKitRedesignedTextCursorKey = 'redesigned_text_cursor';

	fetch("https://cognito-idp.<cognito-user-pool-region>.amazonaws.com/", {
	headers: {
	"X-Amz-Target": "AWSCognitoIdentityProviderService.InitiateAuth",
	"Content-Type": "application/x-amz-json-1.1",
	},
	mode: 'cors',
	cache: 'no-cache',
	method: 'POST',
	body: JSON.stringify({
	ClientId: "<cognito-user-pool-client-id>",

	const fs = require('fs');

	const cols = 8;

	function randomChar () {
	return String.fromCharCode(Math.floor(Math.random() * (122-65) + 65));
	}

	function randomString (length) {
	let string = '';

	const fs = require('fs');
	const util = require('util');

	const readFile = util.promisify(fs.readFile);
	const readdir = util.promisify(fs.readdir);

	async function read1 (file) {
	const label = `read1-${file}`;
	console.time(label);
	const data = await readFile(file, 'utf8');

	'use strict';

	var net = require('net');
	var http = require('http');

	var http80 = http.createServer(function (req, res) {
	res.end('Hello, World!');
	});

	var tcp80 = net.createServer(function (client) {

Seung Kwak GUIEEN

Installing Postgres via Brew

Pre-Reqs

Bridging Native & React for iOS & Android

js -> native

native -> js

	// Approach 1: Use React.createClass
	var HelloWorld = React.createClass({
	getInitialState() {
	return { message: 'Hi' };
	},

	logMessage() {
	// this magically works because React.createClass autobinds.
	console.log(this.state.message);
	},