Karl Gustav karl-gustav

karl-gustav / server.go

Created January 31, 2018 13:56

Golang with letsencrypt https and http-->https redirect

	package main

	import (
	"crypto/tls"
	"net/http"

	"golang.org/x/crypto/acme/autocert"
	)

	func main() {

karl-gustav / ssh_tunnel.txt

Created January 31, 2018 18:08

SSH tunnel How-To

	ssh -f <server> -L <port on source machine>:<ip/address on target network>:<port on target network> -N

	Example:

	ssh -f home -L 8001:10.0.0.1:80 -N

karl-gustav / apiActions.js

Created February 7, 2018 07:17

Wunderlist new tab "hack" to not show tasks assigned to somebody else (set YOUR_ID to the assignee_id of your user)

	(function () {

	var WL = window.WL;
	var WB = wunderbits.core;
	var WBDeferred = WB.WBDeferred;
	var when = WB.lib.when;

	WL.apiActions = {

	'init': function (sdkInstance) {

karl-gustav / org_number_validator.js

Last active March 9, 2018 11:03

validate if number is valid Norwegian organisation number

	function isOrgNumberValid(orgNumber) {
	if (orgNumber.toString().length != 9) {
	return false;
	}
	const wheightNumbers = [3, 2, 7, 6, 5, 4, 3, 2];
	const orgNumbers = orgNumber.toString().split('');
	const controlDigit = orgNumbers[orgNumbers.length - 1]
	const result = wheightNumbers.map((n, i) => n * orgNumbers[i]).reduce((a, b) => a+b, 0)
	const rest = result % 11;
	return +controlDigit === rest;

karl-gustav / serial.example.go

Created April 6, 2018 18:10

Read /dev/ttyUSB0 (HAN Meterbus port)

karl-gustav / interfaces

Last active April 27, 2018 11:24

Put this into /etc/network/interfaces to have fixed IP in linux

karl-gustav / build.sh

Created April 30, 2018 12:45

build script for golang --> raspberry pi

	#! /bin/bash

	tar czf - brain.new brain.service \| ssh smart 'tar xzf - -C /srv/brain/ && ( mv /srv/brain/brain{,.old} ; mv /srv/brain/brain{.new,} ) && systemctl daemon-reload && service brain restart'

karl-gustav / deploy.sh

Created April 30, 2018 12:46

deploy script for golang --> raspberry pi

	#! /bin/bash

	tar czf - brain.new brain.service \| ssh smart 'tar xzf - -C /srv/brain/ && ( mv /srv/brain/brain{,.old} ; mv /srv/brain/brain{.new,} ) && systemctl daemon-reload && service brain restart'

karl-gustav / flattenArray.js

Created May 3, 2018 10:26

.reduce() alternative to .flatMap()

	const flattenArray = (x, y) => (x \|\| []).concat(y);

	// Usage:

	[[1,2],[3],[4]].reduce(flattenArray);

	// Or:

	[[1,2],[3],[4]].reduce((x, y) => (x \|\| []).concat(y));

karl-gustav / vue.html

Created May 4, 2018 07:46

vue hello world

	<html>
	<head></head>
	<body>
	<section id="app">
	<p>{{message}}</p>
	<input v-model="message">
	</section>
	<script src="https://unpkg.com/vue"></script>
	<script>
	new Vue({