sowbug’s gists

sowbug / event.js

Created April 25, 2014 19:38

A different way of letting users know that your Chrome extension or app has been installed/updated

	chrome.runtime.onInstalled.addListener(function() {
	var options = {
	type: "basic",
	title: "Version " +
	chrome.runtime.getManifest().version +
	" installed",
	message: "Just thought you'd like to know that this extension is now installed!",
	iconUrl: "assets/icon_128.png"
	};

sowbug / create_split_secret.sh

Created October 12, 2015 04:12

Use Shamir's Secret Sharing Scheme to split a strong passphrase into five QR codes, any three of which will reconstruct the passphrase.

	#!/bin/bash
	#
	# Use Shamir's Secret Sharing Scheme to split a strong passphrase into
	# five QR codes, any three of which will reconstruct the passphrase.
	#
	# Requires packages qrencode, ssss, and optionally zbarimg.

	PASSPHRASE_LENGTH=32
	SHARES=5 # max 9 (fix single-digits below if you need more)
	MIN_TO_COMBINE=3

sowbug / IronManCostume.ino

Created October 25, 2015 18:12

	#include <Adafruit_NeoPixel.h>
	#ifdef __AVR__
	#include <avr/power.h>
	#endif

	#define PIN 0
	#define NUM_PIXELS (16)
	#define NUM_SPRITES (2)

	Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_PIXELS, PIN,

sowbug / keybase.md

Created October 4, 2017 21:58

I hereby claim:

To claim this, I am signing this object:

sowbug / gist:c7f83140581fbe3e6a9b3ddf24891e77

Last active January 25, 2023 09:22

Making an encrypted DVD image

	# All the code from http://billauer.co.il/blog/2010/10/encrypted-iso-dvd-luks-dm-crypt-fedora-linux/

	MB_COUNT=100
	VOL_NAME=MyVolName
	DIR_TO_COPY=/tmp/mydir

	# Make a 100MB disk image
	dd if=/dev/zero of=disk.img bs=1M count=$MB_COUNT

	# become root

sowbug / gist:5628ab9cd4a21c39808bf1d7113ef1f1

Created November 5, 2017 05:11

Generate 128-bit base58 passphrase from shell without dependencies

	$ cat /dev/urandom \| base64 \| tr -cd [:alnum:] \| tr -d [0OIl] \| head -c 22

	# same but emit QR code
	$ cat /dev/urandom \| base64 \| tr -cd [:alnum:] \| tr -d [0OIl] \| head -c 22 \| qr

sowbug / generate_refresh_token.py

Created December 25, 2017 23:34

Given a Google APIs Client ID and Client secret, get back a refresh token for Compute Engine

	#!/usr/bin/env python

	"""Generates refresh token for Google API."""

	# This is adapted from generate_refresh_token.py in
	# https://github.com/googleads/googleads-python-lib

	import argparse
	import sys
	from oauth2client import client, GOOGLE_TOKEN_URI

sowbug / gce_server.py

Created December 25, 2017 23:44

A script that you can wrap with helper scripts to make it easier for your kids to start up the Minecraft server on their own.

	#!/usr/bin/env python

	# sudo pip install --upgrade google-api-python-client

	from apiclient.discovery import build
	from oauth2client import client, GOOGLE_TOKEN_URI
	import argparse
	import httplib2
	import sys

sowbug / auto_download_microbit.py

Created January 1, 2018 19:24

Automatically moves BBC micro:bit files from the browser to the device

	# usage:
	#
	# auto_download_microbit.py dir_to_watch dir_of_microbit

	import os.path, shutil, sys, time
	from watchdog.observers import Observer
	from watchdog.events import PatternMatchingEventHandler

	src = sys.argv[1] if len(sys.argv) > 1 else '.'
	dst = sys.argv[2] if len(sys.argv) > 2 else '/Volumes/MICROBIT/'

sowbug / bitcoin-esp32.ino

Last active July 13, 2022 11:39

Display Bitcoin prices on a $10 OLED ticker

	//
	// For Wemos Lolin ESP32 OLED Module For Arduino ESP32 OLED WiFi + Bluetooth
	//

	// All of these are available in Arduino Library Manager
	#include <ArduinoJson.h>
	#include <HTTPClient.h>
	#include <SSD1306.h>
	#include <WiFiMulti.h>

Mike Tsao sowbug