Christoph Koerner chaosmail

Senior Software Engineer, Coding for Profit and Fun

chaosmail / AngularFullstackHeroku.md

Last active February 8, 2018 23:06

Step-by-Step deploying AngularJS-Fullstack-generator to Heroku

Prerequisites

npm install -g yo

chaosmail / SimpleBootstrapSetup.html

Last active August 29, 2015 14:03

	<!DOCTYPE html>
	<html>
	<head>

	<title>
	My first demo
	</title>

	<!-- Link the Bootstrap css -->
	<link href="components/bootstrap/dist/css/bootstrap.css" rel="stylesheet">

chaosmail / gist:9016290

Created February 15, 2014 08:41

Copy SSH Key to Ubuntu 12.04 LTS

	ssh [email protected]
	ssh-keygen -t rsa
	exit

	cat ~/.ssh/id_rsa.pub \| ssh [email protected] 'cat >> ~/.ssh/authorized_keys'

chaosmail / nginx-localhost-configuration

Last active January 4, 2016 09:28

nginx-localhost-configuration

	server {
	listen 80 default_server;
	listen [::]:80 default_server ipv6only=on;

	server_name .my_site.dev;
	root /var/www/my_site/public;

	# It's always good to set logs, note however you cannot turn off the error log
	# setting error_log off; will simply create a file called 'off'.
	access_log /var/log/nginx/my_site.access.log;

chaosmail / python-pid_controller

Last active September 26, 2022 13:13

Simple PID Controller

	def pid_controller(y, yc, h=1, Ti=1, Td=1, Kp=1, u0=0, e0=0)
	"""Calculate System Input using a PID Controller

	Arguments:
	y .. Measured Output of the System
	yc .. Desired Output of the System
	h .. Sampling Time
	Kp .. Controller Gain Constant
	Ti .. Controller Integration Constant
	Td .. Controller Derivation Constant

chaosmail / PHP.decodeHtml

Created March 28, 2013 16:38

UTF-8 Decode HTML-String

	function decodeHtml($string) {
	return stripslashes(html_entity_decode( $string, ENT_QUOTES, "utf-8" ));
	}

chaosmail / PHP.encodeHtml

Created March 28, 2013 16:37

UTF-8 Encode HTML-String

	function encodeHtml($string) {
	return htmlentities($string, ENT_QUOTES, "utf-8");
	}

chaosmail / PHP.isSerialized

Created March 28, 2013 16:34

Check if String is serialized

	function isSerialized($string) {
	return (@unserialize($string) !== false);
	}