brianpursley’s gists

brianpursley / quickperm.py

Last active December 18, 2022 07:38

This is a Python implementation of the QuickPerm algorithm described by Phillip Paul Fuchs at http://www.quickperm.org that generates all permutations of a list without using recursion

	#!/usr/bin/env python

	#
	# This is a Python implementation of the QuickPerm algorithm described by Phillip Paul Fuchs at http://www.quickperm.org
	# that generates all permutations of a list without using recursion.
	#

	a = ['a', 'b', 'c', 'd']

	N = len(a)

brianpursley / scrape.py

Last active April 30, 2021 20:57

Python script to extract a price from a product web page

	from bs4 import BeautifulSoup
	from urllib2 import Request, urlopen
	import decimal

	def findPrice(url, selector):
	userAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36"
	req = Request(url, None, {'User-Agent': userAgent})
	html = urlopen(req).read()
	soup = BeautifulSoup(html, "lxml")
	return decimal.Decimal(soup.select(selector)[0].contents[0].strip().strip("$"))

brianpursley / example-scrape-target.html

Created November 20, 2015 15:35

Example HTML file for scraping

	<html>
	<head>
	<title>Example Web Page</title>
	<style>
	.container {
	display: table;
	}
	.row {
	display: table-row;
	}

brianpursley / iBeacon-Windows10-C#-Program.cs

Created February 2, 2017 13:50

iBeacon Windows 10 Console Application using C#

	using System;
	using System.Linq;
	using Windows.Devices.Bluetooth.Advertisement;
	using Windows.Storage.Streams;

	namespace BeaconExample
	{
	class Program
	{
	private class BeaconData

brianpursley / Example.pubxml

Created March 9, 2017 15:08

An example Visual Studio pubxml file to zip the output when publishing an ASP.NET web application to file system

	<?xml version="1.0" encoding="utf-8"?>
	<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
	<PropertyGroup>
	<WebPublishMethod>FileSystem</WebPublishMethod>
	<LastUsedBuildConfiguration>Debug</LastUsedBuildConfiguration>
	<LastUsedPlatform>Any CPU</LastUsedPlatform>
	<SiteUrlToLaunchAfterPublish />
	<LaunchSiteAfterPublish>True</LaunchSiteAfterPublish>
	<ExcludeApp_Data>False</ExcludeApp_Data>
	<publishUrl>C:\Publish\SimpleExample</publishUrl>

brianpursley / lambda.js

Last active March 11, 2017 02:53

AWS Lambda function that publishes to SNS

	var AWS = require("aws-sdk");

	exports.handler = (event, context, callback) => {
	var sns = new AWS.SNS();
	sns.publish({
	Message: 'YOUR MESSAGE HERE',
	Subject: 'YOUR SUBJECT HERE',
	TopicArn: 'YOUR SNS TOPIC ARN HERE'
	}, function() {
	callback(null, {

brianpursley / backup.sh

Created April 10, 2017 19:54

Script to backup a folder (/share) and capture incremental changes since the last backup in a timestamp-named folder

	#!/bin/bash
	ts=`date +%Y%m%d_%H%M%S`
	rsync -rtm --compare-dest=/mnt/usb1/backups/snapshot --modify-window=2 /share /mnt/usb1/backups/$ts
	find /mnt/usb1/backups/$ts -type d -empty -delete
	rsync -rt --delete --modify-window=2 /share /mnt/usb1/backups/snapshot

brianpursley / docker-compose.yml

Created August 30, 2018 02:18

Docker compose config for running Elastic Search and Kibana locally in docker containers

	version: '3'

	services:

	elasticsearch:
	container_name: elasticsearch
	image: docker.elastic.co/elasticsearch/elasticsearch:6.4.0
	volumes:
	- esdata:/usr/share/elasticsearch/data
	ports:

brianpursley / get-nodeport-url.sh

Last active February 6, 2020 02:06

Script to get address of kubernetes nodeport service when running locally using (using kind for example)

	#!/bin/sh

	nodeport=$(kubectl get services -o jsonpath="{..nodePort}") && kubectl get node -o jsonpath="{..addresses[0].address}" \| xargs -n1 printf -- "http://%s:$nodeport\n"

brianpursley / install-metrics-server.sh

Last active January 23, 2020 22:48

Download and install metrics-server into a kind kubernetes cluster

	wget -O /tmp/metrics-server-master.zip https://github.com/kubernetes-sigs/metrics-server/archive/master.zip
	unzip -u /tmp/metrics-server-master.zip -d /tmp
	rm /tmp/metrics-server-master.zip
	kubectl apply -f /tmp/metrics-server-master/deploy/1.8+/
	rm -rf /tmp/metrics-server-master
	kubectl patch deploy metrics-server -n kube-system --type json --patch '[{"op":"add","path":"/spec/template/spec/containers/0/args/-","value":"--kubelet-insecure-tls"},{"op":"add","path":"/spec/template/spec/containers/0/args/-","value":"--kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname"}]'

Brian Pursley brianpursley