chrismay’s gists

chrismay / tuples.ts

Created June 21, 2023 18:31

Preserve tuple length when mapping

	interface ReadonlyArray<T> {
	map<U>(
	callbackfn: (value: T, index: number, array: T[]) => U,
	thisArg?: any
	): { [K in keyof this]: U };
	}

	type Coord = readonly [number, number, number];

	type BiFunction<T> = (a: T, b: T) => T;

chrismay / parallel_reqs.py

Last active June 18, 2023 21:32

pyspark parallel http reqs

	import aiohttp
	import asyncio
	import time
	from pyspark.sql import SparkSession
	from pyspark.sql.functions import col, collect_list,udf

	spark = SparkSession.builder.getOrCreate()
	data = range(1, 10000)
	df = spark.createDataFrame([(i,) for i in data], ["value"])
	grouped_df = (

chrismay / anagrams.py

Created April 12, 2023 06:55

anagrams kata (pyspark)

	from pyspark.sql import SparkSession
	from pyspark.sql.types import StringType

	from pyspark.sql.functions import col, udf, collect_list, size, length

	spark = SparkSession.builder.getOrCreate()


	def alpha_sort(word):
	return "".join(sorted(word))

chrismay / notification types.ts

Created December 10, 2019 14:38

	import { Instant } from '../types';

	type NotificationType = 'po-approval' \| 'program-activation';

	interface NotificationSharedFields {
	referenceId: string;
	message: string;
	seen: boolean;
	createdAtUtc: Instant;
	notificationType: NotificationType;

chrismay / Microsoft.PowerShell_profile.ps1

Created April 2, 2019 15:12

PS Profile

	if ($host.Name -eq 'ConsoleHost') {
	Set-PSReadLineOption -EditMode Emacs
	Set-PSReadlineOption -BellStyle None
	}
	# Ensure that Get-ChildItemColor is loaded
	Import-Module Get-ChildItemColor

	# Set l and ls alias to use the new Get-ChildItemColor cmdlets
	Set-Alias ll Get-ChildItemColor -Option AllScope
	Set-Alias ls Get-ChildItemColorFormatWide -Option AllScope

chrismay / Hyper-settings.js

Last active August 10, 2018 07:11

Hyper seting

	// Future versions of Hyper may add additional config options,
	// which will not automatically be merged into this file.
	// See https://hyper.is#cfg for all currently supported options.

	module.exports = {
	config: {
	// choose either `'stable'` for receiving highly polished,
	// or `'canary'` for less polished but more frequent updates
	updateChannel: "canary",

chrismay / cold_observable_test.ts

Created August 1, 2018 11:23

Jasmine/Karma test of cold observables

	it('delete me', async (done) => {
	const addAll = nums => nums.reduce((a, b) => a + b, 0);

	const o1 = Observable.of(1);
	const o2 = Observable.of(2).delay(1000).shareReplay(1);

	const o1p2 = Observable.forkJoin([o1, o2]).pipe(
	map(addAll),
	shareReplay(1));

chrismay / LambdaLogger.js

Created June 21, 2018 09:40

A lambda to unpack the POST body (assumed to be JSON) and log it to cloudwatch

	exports.handler = async (event, ctx, callback) => {
	console.log({app:"unknown", env: "unknown", ...(JSON.parse(event.body))});

	var response = {
	"statusCode": 200,
	"body": JSON.stringify({result:"ok"}),
	"isBase64Encoded": false
	};
	callback(null,response);
	};

chrismay / Hamilton.java

Last active October 22, 2017 19:25

An implementation of Hamilton's method for Smallest-Remainder rounding of percentages.

	package chris.impl;

	import java.util.Comparator;
	import java.util.Iterator;
	import java.util.List;
	import java.util.function.Function;
	import java.util.stream.IntStream;
	import java.util.stream.Stream;
	import java.util.stream.StreamSupport;

chrismay / loop.html

Last active October 11, 2016 14:09

	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<title> - jsFiddle demo</title>

	<style type='text/css'>

	</style>

Chris May chrismay