Otto Remse mollyporph

Data Engineer & Cloud Architect with focus on real-time stream processing

mollyporph / base62.ts

Created July 13, 2018 12:25

Base62.ts

	import BitStream from './bit-stream'

	const Base62CharSet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

	function encodeBase62ByteArrayToString(original: Array<number>) {
	var sb = [];
	var stream = new BitStream(original);
	var read = [];
	read.push(0);

mollyporph / UniqueKeyGeneration.cs

Created January 16, 2018 10:40


	void Main()
	{
	var rng = RNGCryptoServiceProvider.Create();
	var servers = new int[] { 1, 2, 3, 4, 5};

	//generate 10 codes
	var codes = Enumerable.Range(1, 10).Select(x => {
	var server = servers.Random();
	var bytes = new Byte[3];

mollyporph / timespan parser.cs

Created October 27, 2017 08:26

	using System;
	using System.Text.RegularExpressions;

	public class Program
	{
	public static Regex dateRegex = new Regex(@"(\d+)([smhd])",RegexOptions.Compiled \| RegexOptions.IgnoreCase);
	public static void Main()
	{

	Console.WriteLine(DateTime.Now.Add(TS("1d")));

mollyporph / Do.cs

Created December 21, 2016 08:27

	public static T Do (T obj, Action <T> f){f (obj); return obj;}
	StopWatch sw = ...
	sw.Do(x => x Stop()).ElapsedMillis;

mollyporph / resultmonad.cs

Created September 26, 2016 09:08

	public class Result<T>
	{
	public bool HasException { get; }

	public Exception Exception { get; }

	public T Value { get; }

	public Result(T value)
	{

mollyporph / bitgeo.cs

Last active September 22, 2016 22:12

mollyporph / extensions.cs

Created August 10, 2016 08:17


	public static T Tap<T>(this T self, Action<T> f)
	{
	f(self);
	return self;
	}

	public static T2 Pipe<T, T2>(this T self, Func<T, T2> f)
	=> f(self);

mollyporph / factorio-pauser.sh

Created April 4, 2016 16:48

	#!/bin/bash
	PATHTOLOG="/root/factorio/factorio-current.log"

	OLDPLAYERCOUNT=0
	PLAYERCOUNT=0
	NUMBEROFLINESOLD=0

	while :; do
	#get the current nuber of log entries
	NUMBEROFLINES=$(wc -l /root/factorio/factorio-current.log \| grep -o "[0-9]\+")

mollyporph / ResultExceptionMonad.cs

Last active March 17, 2016 16:16

	public class User
	{
	public string Name {get;set;}
	public string Email{get;set;}
	public string PhoneNumber{get;set;}
	}
	public class Program
	{
	public static void Main(string[] args){
	User user = new User{Name ="Otto", Email="[email protected]", PhoneNumber ="+4613371337"

mollyporph / AzureServicebusSasKey.cs

Last active March 16, 2016 20:43

	private string GetSasToken(string sasKeyName, string sasKeyValue)
	{
	var fromEpochStart = DateTime.UtcNow - new DateTime(1970, 1, 1);
	var expiry = Convert.ToString((int)fromEpochStart.TotalSeconds + 3600);
	var stringToSign = WebUtility.UrlEncode(_baseAddress) + "\n" + expiry;
	var hmac = new HMACSHA256(Encoding.UTF8.GetBytes(sasKeyValue));

	var signature = Convert.ToBase64String(hmac.ComputeHash(Encoding.UTF8.GetBytes(stringToSign)));
	var sasToken = string.Format(CultureInfo.InvariantCulture, "SharedAccessSignature sr={0}&sig={1}&se={2}&skn={3}",
	WebUtility.UrlEncode(_baseAddress), WebUtility.UrlEncode(signature), expiry, sasKeyName);