Anton Moilanen amoilanen

💭

"Simplicity is prerequisite for reliability." Edsger W. Dijkstra

amoilanen / stack.yaml

Created February 6, 2022 18:47

Setting up local MongoDB `docker-compose -f stack.yaml up`. Authentication is disabled by default for the local development env

amoilanen / merge_into_book.sh

Created July 21, 2021 20:49

Create a book PDF from page image scans on Linux

amoilanen / ZioSubscriptionRef.scala

Created June 30, 2021 21:25

Full runnable example for the documentation https://zio.dev/docs/datatypes/stream/subscription-ref including correcting the type inference for IDEA

	import java.io.IOException

	import zio.{Chunk, RefM, Runtime, UIO, URIO, ZIO, console, random}
	import zio.console.Console
	import zio.random.Random
	import zio.stream.{SubscriptionRef, ZStream}

	// Full running example for the ZIO documentation https://zio.dev/docs/datatypes/stream/subscription-ref
	object Subscription extends App {

amoilanen / generator_function.js

Created February 1, 2021 13:48

Simple demo of a generator function

	function square(x) {
	return x * x;
	}

	function* sumSquares(values) {
	let result = 0;
	for (value of values) {
	const nextIncrement = yield square(value);
	console.log(`inside sumSquares: ${nextIncrement}`);
	result += nextIncrement;

amoilanen / aoc2020_day15.ts

Created December 20, 2020 20:43

Solution in Typescript for Day 15 of Advent of Code 2020

	interface NumberIndexes {
	[key: number]: number;
	}

	const input: string = '0,13,1,16,6,17';

	function withTimings<T>(f: () => T): T {
	const startTime = new Date().getTime();
	const result = f();
	const endTime = new Date().getTime();

amoilanen / infinite_streams_in_scheme.scm

Last active December 13, 2020 18:10

Infinite stream implementation in Scheme

amoilanen / useful.bash.utilities.sh

Last active May 20, 2021 09:27

Useful Bash utilities which might be added, for example, to .bashrc

	#!/bin/bash

	alias view-staged-diff="git diff --staged > ~/temp/changes.diff && gedit ~/temp/changes.diff &"
	alias view-diff="git diff > ~/temp/changes.diff && gedit ~/temp/changes.diff &"

	free_port() {
	kill -9 $(lsof -t -i:$1)
	}

	terminate() {

amoilanen / free.docker.space.sh

Last active February 5, 2020 18:25

Useful commands to free Docker space

	# Stop and remove all containers
	docker rm -f $(docker ps -a -q)

	# Remove all images
	docker rmi $(docker images -a -q)

	# Remove other unused docker data, i.e. networks
	docker system prune

	# Remove all the unused docker volumes (frees lots of space!)

amoilanen / launch.json

Created August 22, 2019 09:50 — forked from constantm/launch.json

Get VSCode debug and breakpoints to work with Vue Cli and Jest

amoilanen / list_map_fold.scm

Created October 8, 2018 20:30

map and fold implementation for lists in Scheme

	; Maps function over list
	; f - function of one argument, returns transformed argument
	; l - list
	(define (map f l)
	(if (> (length l) 0)
	(cons
	(f (car l))
	(map f (cdr l))
	)
	()