Dave T dtroupe18

Install Video Dummy Package

sudo apt-get install xserver-xorg-video-dummy

Create Default X Windows Configuration File

Create / Edit xorg.conf file Rename file if already exists for backup

Firebase Environments

Last updated: October 21st, 2019.

At the time of writing this gist (January 4th, 2017), I was unable to find true sandboxing to separate development and production environments for a Firebase project. The closest we can get is to create two separate Firebase projects -- one for development and one for production.

Pros

Complete separation and isolation of all Firebase features.
Freedom to experiment without risking the corruption of production data.

Cons

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

	- (UIImage *)dynamicImage
	{
	UITraitCollection const baseTraitCollection = / an existing trait collection */;
	UITraitCollection *const lightTraitCollection = [UITraitCollection traitCollectionWithTraitsFromCollections:@[baseTraitCollection, [UITraitCollection traitCollectionWithUserInterfaceStyle:UIUserInterfaceStyleLight]]];
	UITraitCollection *const purelyDarkTraitCollection = [UITraitCollection traitCollectionWithUserInterfaceStyle:UIUserInterfaceStyleDark];
	UITraitCollection *const darkTraitCollection = [UITraitCollection traitCollectionWithTraitsFromCollections:@[baseTraitCollection, purelyDarkTraitCollection]];

	__block UIImage *lightImage;
	[lightTraitCollection performAsCurrentTraitCollection:^{
	lightImage = /* draw image */;

	final class Loader: BindableObject {
	let didChange = PassthroughSubject<Data?, Never>()
	var task: URLSessionDataTask!
	var data: Data? = nil {
	didSet {
	didChange.send(data)
	}
	}

	init(_ url: URL) {

	//
	// Promise + CancelRequest.swift
	// PeopleFinders
	//
	// Created by Efraim Budusan on 12/13/17.
	// Copyright © 2017 Tapptitude. All rights reserved.
	//

	import Foundation
	import PromiseKit

	# The trick is to link the DeviceSupport folder from the beta to the stable version.
	# sudo needed if you run the Mac App Store version. Always download the dmg instead... you'll thank me later :)

	# Support iOS 15 devices (Xcode 13.0) with Xcode 12.5:
	sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/15.0 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport

	# Then restart Xcode and reconnect your devices. You will need to do that for every beta of future iOS versions

	# (A similar approach works for older versions too, just change the version number after DeviceSupport)

	extension UIImage {

	class func imageByCombiningImage(firstImage: UIImage, withImage secondImage: UIImage) -> UIImage {

	let newImageWidth = max(firstImage.size.width, secondImage.size.width )
	let newImageHeight = max(firstImage.size.height, secondImage.size.height)
	let newImageSize = CGSize(width : newImageWidth, height: newImageHeight)


	UIGraphicsBeginImageContextWithOptions(newImageSize, false, UIScreen.mainScreen().scale)

	//
	// ViewController.m
	// AVPlayerCaching
	//
	// Created by Anurag Mishra on 5/19/14.
	// Sample code to demonstrate how to cache a remote audio file while streaming it with AVPlayer
	//

	#import "ViewController.h"
	#import <AVFoundation/AVFoundation.h>

	This is free and unencumbered software released into the public domain.

	Anyone is free to copy, modify, publish, use, compile, sell, or
	distribute this software, either in source code form or as a compiled
	binary, for any purpose, commercial or non-commercial, and by any
	means.

	In jurisdictions that recognize copyright laws, the author or authors
	of this software dedicate any and all copyright interest in the
	software to the public domain. We make this dedication for the benefit