Anton Moilanen amoilanen

💭

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

amoilanen / create_bootable_drive.sh

Created September 24, 2018 09:28

Command to create bootable USB with progress displayed using dd, pv

sudo dd if=./some.linux.iso | pv -s 2G | sudo dd of=/dev/sdb bs=8192

amoilanen / akka_stream_example.scala

Created March 11, 2018 22:25

Simple example of a stream in Akka: source -> flow -> sink

	import akka.actor.ActorSystem
	import akka.stream.scaladsl._
	import akka.stream._

	object AkkaStreamExample extends App {
	implicit val system = ActorSystem("MyActorSystem")
	implicit val materializer = ActorMaterializer()

	val source = Source(1 to 5)
	val square = Flow[Int].map(x => x * x)

amoilanen / install_python3.6_opensuse42.3.sh

Last active March 25, 2025 21:16

Installing Python 3.6 on OpenSUSE Leap 42.3

	# !/bin/bash

	# Step 1. Install pyenv

	git clone https://github.com/pyenv/pyenv.git ~/.pyenv
	echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
	echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
	echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n eval "$(pyenv init -)"\nfi' >> ~/.bashrc
	source ~/.bashrc

amoilanen / terminate.sh

Last active August 19, 2018 15:01

Better 'killall' command in Bash, analogous to 'kill -9' usage: 'terminate.sh java'

	#!/bin/bash
	pids_to_kill=$(ps aux\|grep $1\|grep -v grep\|grep -v terminate.sh \|awk '{print $2}')

	[[ ! -z $pids_to_kill ]] && kill -9 $pids_to_kill

amoilanen / bash_find_large_directories.sh

Last active August 15, 2018 12:55

Bash command that finds subdirectories of the current directory that are larger than 1Gb

du -h | grep '^[0-9]\.*[0-9]*G'

amoilanen / browser_text_mode.js

Created May 17, 2017 15:27

Remove images, videos and backgrounds from the web page to leave only the text content

	(function() {

	function toArray(arrayLike) {
	return [].slice.call(arrayLike);
	}

	function $(cssSelector) {
	return toArray(document.querySelectorAll(cssSelector));
	}

amoilanen / generator_demo.js

Created April 4, 2017 14:13

Simple demo of generators in JavaScript

	function print(obj) {
	console.log(JSON.stringify(obj, null));
	}

	function* gen() {
	var x = yield 'a';
	var y = yield 'b';
	var z = yield 'c';

	return [x, y, z];

amoilanen / list.all.months.js

Created March 23, 2017 14:41

Lists all months names in the en-US locale in pure JavaScript (ES6)

	function listMonths() {
	var currentDate = new Date();
	return Array.from(new Array(12), (_, monthIdx) => {
	currentDate.setMonth(monthIdx);
	return currentDate.toLocaleString("en-US", {month: "long"})
	});
	}

	console.log(listMonths());

amoilanen / gist:5853e57d3ead440314cee85fccaa3392

Created February 1, 2017 20:54 — forked from andrewn/gist:e6adddf523595116f7b4

Node version of popen?

	var spawn = require('child_process').spawn;

	var sh = spawn('sh');

	sh.stdout.on('data', function (data) {
	console.log('sh: \n', data.toString());
	});

	sh.stderr.on('data', function (data) {
	console.error('error: \n', data.toString());

amoilanen / clock_example.elm

Created December 29, 2016 20:48

Demonstrates Elm architecture: models, commands, subscriptions, modified version of the tutorial example

	{-
	Copyright (c) 2014-2016, Evan Czaplicki
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	* Redistributions of source code must retain the above copyright notice, this
	list of conditions and the following disclaimer.