uberscientist’s gists

uberscientist / pill_timer.ino

Created January 3, 2019 03:14

Arduino alarm clock

	#include "SSD1306.h" // alias for `#include "SSD1306Wire.h"`

	#include <SPI.h>
	#include <ezTime.h>
	#include <SPIFFS.h>
	#include <ESPAsyncWebServer.h>
	#include <WiFi.h>

	AsyncWebServer server(80);
	SSD1306 display(0x3c, 4, 15);

uberscientist / simulation.py

Last active December 19, 2018 06:34

Monte Carlo on Maplestory2 Casino Game

	import random
	import math
	import matplotlib.pyplot as plt

	def getResults(num_groups=4, num_players=9):
	players = ['Player {i}'.format(i=i) for i in range(1, num_players)]
	players += ['You', 'Casino']
	random.shuffle(players)
	group_size = math.ceil(len(players) / num_groups)

uberscientist / gist:bae0a433af2457ae09b18cf61b6fabd6

Created June 5, 2018 23:52

	{'type': 'trade', 'symbol': 'SPY180606P00235000', 'exch': 'I', 'price': '0.08', 'size': '2', 'cvol': '0', 'date': '1527611813000', 'last': '0.08'}
	{'type': 'trade', 'symbol': 'SPY180606C00261000', 'exch': 'C', 'price': '14.29', 'size': '30', 'cvol': '50', 'date': '1528209279000', 'last': '14.29'}
	{'type': 'trade', 'symbol': 'SPY180606C00235000', 'exch': '', 'price': '', 'size': '0', 'cvol': '0', 'date': '0', 'last': ''}
	{'type': 'trade', 'symbol': 'SPY180606P00256000', 'exch': 'Q', 'price': '0.01', 'size': '3', 'cvol': '0', 'date': '1528119065000', 'last': '0.01'}
	{'type': 'quote', 'symbol': 'SPY', 'bid': 275.34, 'bidsz': 1, 'bidexch': 'P', 'biddate': '1528238802000', 'ask': 275.37, 'asksz': 22, 'askexch': 'P', 'askdate': '1528238662000'}
	{'type': 'trade', 'symbol': 'SPY', 'exch': 'P', 'price': '275.1', 'size': '0', 'cvol': '51115122', 'date': '1528237800000', 'last': '275.1'}
	{'type': 'quote', 'symbol': 'SPY', 'bid': 275.34, 'bidsz': 1, 'bidexch': 'P', 'biddate': '1528238802000', 'ask': 275.37, 'asksz': 22,

uberscientist / error.py

Created May 11, 2018 00:07

Error sporadically occurs during stream

	Exception in thread Thread-1:
	Traceback (most recent call last):
	File "/home/nak/.virtualenvs/tradier-bot/lib/python3.6/site-packages/urllib3/response.py", line 543, in _update_chunk_length
	self.chunk_left = int(line, 16)
	ValueError: invalid literal for int() with base 16: b''

	During handling of the above exception, another exception occurred:

	Traceback (most recent call last):
	File "/home/nak/.virtualenvs/tradier-bot/lib/python3.6/site-packages/urllib3/response.py", line 302, in _error_catcher

uberscientist / subscriber.py

Created March 9, 2018 20:47

	def encode_pair(f):
	# Decorator function to encode "pair" to bytes object
	def new_f(args, *kwargs):
	args = list(args)
	pair = args[1]
	if type(pair) == str:
	args[1] = pair.encode()
	assert type(args[1]) == bytes
	args = tuple(args)
	return f(args, *kwargs)

uberscientist / xpubsub_proxy.py

Created February 19, 2018 04:32

Example code for figure 13 "Pub-Sub Network with a Proxy" http://zguide.zeromq.org/page:all#The-Dynamic-Discovery-Problem

	import zmq
	from threading import Thread
	from time import sleep
	from random import randint

	# Setup sockets for the proxy XSUB/XPUB and bind them to separate ports
	ctx = zmq.Context()
	xsub_sock = ctx.socket(zmq.XSUB)
	xpub_sock = ctx.socket(zmq.XPUB)
	xsub_sock.bind('tcp://127.0.0.1:1234')

uberscientist / pubsub.py

Created February 15, 2018 14:47

pyzmq PUB/SUB example

	import zmq
	from multiprocessing import Process
	from time import sleep

	"""
	Simple multiprocess pub/sub ZeroMQ example python3
	2/15/2018
	"""

	tcp_interface = 'tcp://127.0.0.1:5600'

uberscientist / main.js

Created July 18, 2017 23:36

Attempt to calculate black-scholes on GPU

	var gpu = new GPU();

	gpu.addFunction(function CND(x) {
	var k = 1 / (1 + .2316419 * x);
	if(x < 0) {
	x = x * -1
	return 1 - ( 1 - Math.exp(-x * x / 2)/ Math.sqrt(2Math.PI) k * (.31938153 + k * (-.356563782 + k * (1.781477937 + k * (-1.821255978 + k * 1.330274429)))) );
	} else {
	return ( 1 - Math.exp(-x * x / 2)/ Math.sqrt(2Math.PI) k * (.31938153 + k * (-.356563782 + k * (1.781477937 + k * (-1.821255978 + k * 1.330274429)))) );
	}

uberscientist / gist:39e1267614b56eec3c6d530063eb61b6

Created July 9, 2017 23:50

Verifying that "mindsforge.id" is my Blockstack ID. https://onename.com/mindsforge

uberscientist / histograms.py

Last active May 6, 2017 20:02

display half-hourly returns of the SPX index

	import pandas as pd

	from collections import defaultdict
	from redis import StrictRedis
	from activetick_http import ActiveTick
	from datetime import datetime, timedelta
	from bokeh.charts import Histogram, show
	from bokeh.layouts import column, row
	from bokeh.models import Range1d
	from bokeh.models.widgets import Div