markcheno’s gists

markcheno / NTP_System_Time.ino

Created February 27, 2023 22:43 — forked from Tech500/NTP_System_Time.ino

Use NTP time to schedule events to run at specific times.


	// NTP_System_Time.ino
	//schufti --of ESP8266.com Forum provided source for NTP time.
	//Developer of code not given

	#include <WiFi.h>
	#include <WiFiUdp.h>
	#include <sys/time.h>
	#include <time.h>

markcheno / csv-to-json.js

Created October 27, 2020 13:19 — forked from jssuttles/csv-to-json.js

CSV to JSON Conversion in JavaScript

	//var csv is the CSV contents with headers
	function csvJSON(csv){

	var lines=csv.split('\n');

	var result = [];

	var headers=lines[0].split(',');
	lines.splice(0, 1);
	lines.forEach(function(line) {

markcheno / slugify.js

Created December 18, 2019 04:03 — forked from hagemann/slugify.js

Slugify makes a string URI-friendly

	function slugify(string) {
	const a = 'àáâäæãåāăąçćčđďèéêëēėęěğǵḧîïíīįìłḿñńǹňôöòóœøōõőṕŕřßśšşșťțûüùúūǘůűųẃẍÿýžźż·/_,:;'
	const b = 'aaaaaaaaaacccddeeeeeeeegghiiiiiilmnnnnoooooooooprrsssssttuuuuuuuuuwxyyzzz------'
	const p = new RegExp(a.split('').join('\|'), 'g')

	return string.toString().toLowerCase()
	.replace(/\s+/g, '-') // Replace spaces with -
	.replace(p, c => b.charAt(a.indexOf(c))) // Replace special characters
	.replace(/&/g, '-and-') // Replace & with 'and'
	.replace(/[^\w\-]+/g, '') // Remove all non-word characters

markcheno / register-jupyter-env

Created April 18, 2019 02:38 — forked from thvitt/register-jupyter-env

Register a jupyter kernel for the current pyenv.

	#!/bin/sh

	if [ "$PYENV_VERSION" -ne "" ]
	then
	name=`pyenv version-name`
	python=`pyenv which python`
	else
	name=`basename "$VIRTUAL_ENV"`
	python="$VIRTUALENV/bin/python"
	fi

markcheno / multisymbol.py

Created April 3, 2019 13:16 — forked from umitanuki/multisymbol.py

	import matplotlib.pyplot as plt
	from datetime import datetime
	import alpaca_trade_api as tradeapi
	import numpy as np

	from positionhandling import positionHandler
	import loader

	api = tradeapi.REST()

markcheno / .about+license.md

Created November 18, 2018 16:09 — forked from anilnairxyz/.about+license.md

Candlestick Chart

A zoomable candlestick chart.

markcheno / backtest.py

Created October 5, 2018 18:07 — forked from nicoforteza/backtest.py

backtest code

	import pandas as pd
	import numpy as np

	# names for the asset selection
	NAMES = ['6M_Momentum', '1Y_Momentum', '6M_LowVol']
	# allocation algorithm names (equally weighted)
	ALLOCATION = ['EW']


	class Backtest:

markcheno / .crostini-setup

Created September 16, 2018 14:57 — forked from tjpalanca/.crostini-setup

Crostini Setup

These scripts set up Crostini on my Pixelbook

markcheno / ohlc.chart.js

Created September 13, 2018 02:04 — forked from thiyagu-p/ohlc.chart.js

OHLC with moving average and trading volume chart using d3

	function OHLC(params) {

	OHLC.prototype._init = function (params) {
	this.height = params.height \|\| 650;
	this.width = params.width \|\| 1300;
	this.margin = params.margin \|\| 50;
	this.data = params.data;
	this.movingAverageTypes = ['mov_avg_10d', 'mov_avg_50d', 'mov_avg_200d'];

	this.dateFormat = d3.time.format("%Y-%m-%d");

markcheno / AppSync-Example.yaml

Created August 5, 2018 15:57 — forked from adrianhall/AppSync-Example.yaml

An example CloudFormation template for AWS AppSync

	---
	Description: AWSAppSync DynamoDB Example
	Resources:
	GraphQLApi:
	Type: "AWS::AppSync::GraphQLApi"
	Properties:
	Name: AWSAppSync DynamoDB Example
	AuthenticationType: AWS_IAM

	PostDynamoDBTableDataSource:

Mark Chenoweth markcheno