steverichey’s gists

steverichey / xoshiroPRNG.swift

Created November 21, 2018 03:20

Not thoroughly tested, needs update for some Random changes in Swift

	import Foundation

	// http://xoshiro.di.unimi.it/xoshiro256starstar.c

	protocol PseudoRandomNumberGenerator {
	associatedtype ReturnValue
	mutating func next() -> ReturnValue
	}

	struct Arc4Random: PseudoRandomNumberGenerator {

steverichey / genie.swift

Created September 6, 2018 00:08

The Genie script I used to generate this: https://twitter.com/thesteverichey/status/1031229631586861056

	//: Playground - noun: a place where people can play

	import Cocoa

	let caseLookup: [Character: Character] = [
	"a": "A", "b": "B", "c": "C", "d": "D", "e": "E", "f": "F", "g": "G", "h": "H", "i": "I", "j": "J", "k": "K", "l": "L", "m": "M", "n": "N",
	"o": "O", "p": "P", "q": "Q", "r": "R", "s": "S", "t": "T", "u": "U", "v": "V", "w": "W", "x": "X", "y": "Y", "z": "Z"
	]

	extension Dictionary where Value: Equatable {

steverichey / allow_ios_firewall.sh

Created July 30, 2018 13:33

In theory, allows the iOS simulator to bypass the firewall. May no longer be needed, or it works so well I no longer get the dialog prompt.

	#!/bin/sh

	# requires sudo
	sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate off

	/usr/libexec/ApplicationFirewall/socketfilterfw --add /Applications/Xcode.app/Contents/Developer/Applications/Simulator.app/Contents/MacOS/Simulator

	sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on

steverichey / gifopt.sh

Created July 13, 2018 14:16

GIF creation with some optimization options

	#!/bin/sh

	# this was created for an admittedly specialized purpose but has some neat settings i want to remember

	palette="/tmp/palette.png"
	cropped="/tmp/cropped.mp4"

	width="275"
	filters="fps=15,scale=${width}:-1:flags=lanczos"

steverichey / Camera.playground

Created June 29, 2018 21:20

Camera edge detection demo for Realities 360

	import Cocoa
	import AVFoundation
	import AVKit
	import QuartzCore
	import PlaygroundSupport
	import AppKit
	import CoreGraphics
	import CoreImage

	let playgroundView = NSView(frame: NSRect(x: 0.0, y: 0.0, width: 640.0, height: 480.0))

steverichey / start_adapt.sh

Last active October 11, 2017 15:08

Start adapt

	#!/bin/sh

	# exit early on errors
	set -eu

	# from: brew.sh, install homebrew
	/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

	# latest node via homebrew is borked, install 6.x instead
	brew install node@6

steverichey / icons.sh

Created July 17, 2017 18:50

decent script to make android icons from PDF files, supports transparency

	#!/bin/sh

	usage ()
	{
	echo "Usage:\nsh icons.sh standard_icon.pdf debug_icon.pdf"
	exit 1
	}

	# usage: iconize input/file.pdf some/output/path/file.png 256
	# where `256` is the size to generate

steverichey / zipify.sh

Created July 17, 2017 13:44

this is just a good script with things i might want later

	#!/bin/sh

	set -eu

	ZIP_FILENAME="experience.zip"
	JS_FILENAME="template.js"
	WTC_FILENAME="tracker.wtc"
	DATENAME=`date +"%Y-%m-%d-%H%M%S"`
	OUTPUT_JS_DIR="scripts"
	OUTPUT_WTC_DIR="augmentation-trackers/4.1"

steverichey / trim_screen.sh

Created March 15, 2017 21:47

chop up an Android screenshot real nice

	#!/bin/sh

	filename="${1%.*}"

	convert $1 -gravity North -chop 0x72 ${filename}-trimmed.png
	convert ${filename}-trimmed.png -gravity South -chop 0x96 ${filename}-trimmed-both.png

steverichey / eject_trash_images.py

Last active December 28, 2016 16:15

Python script used in Automator workflow to eject trashed images

	# Python script to eject disk images passed as args
	# Create a new Folder Action in Automator and add a Run Shell Script step
	# Set the shell to /usr/bin/python AND set "Pass input:" to "as arguments"
	# Paste this script and save! Images moved to the trash are now auto-ejected

	# Mostly based on http://www.guidingtech.com/26874/eject-delete-dmg-files-automatically/

	import os, sys

	# Bail if we didn't wipe a DMG

steve richey. steverichey