tomlankhorst

#include <iostream>
#include <csignal>
#include <thread>
#include <chrono>
#include <string_view>

#include <fmt/core.h>
#include <fmt/color.h>
#include <mosquitto.h>
#include <openssl/ssl.h>

tomlankhorst

#pragma once

#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>

/**
 * This snippet implements basic string conversion support for `boost::uuids::uuid` 
 * in libpqxx. 
 *

tomlankhorst

template<typename T>
struct decay_optional {
  using type = T;
};

template<typename T>
struct decay_optional<std::optional<T>> {
  using type = T;
};

tomlankhorst

#!/bin/bash                 
# See https://tomlankhorst.nl/unresponsive-usb-unbind-bind-linux
                                                           
DEV=${1:-0000:06:00.3}                                     
                                                           
echo $DEV | sudo tee /sys/bus/pci/drivers/xhci_hcd/unbind  
sleep 1                                                    
echo $DEV | sudo tee /sys/bus/pci/drivers/xhci_hcd/bind    

tomlankhorst

<launch>
  <node launch-prefix="docker run --rm --name listener -v$HOME:$HOME -u$UID --privileged --net=host -eROS_HOME=$ROS_HOME ros:melodic-ros-base-bionic" name="listener" pkg="roscpp_tutorials" type="listener" output="screen"/>
  <node launch-prefix="docker run --rm --name talker -v$HOME:$HOME -u$UID --privileged --net=host -eROS_HOME=$ROS_HOME ros:melodic-ros-base-bionic" name="talker" pkg="roscpp_tutorials" type="talker" output="screen"/>
</launch>

tomlankhorst

#!/usr/bin/env python3

import os
import re
import requests
from subprocess import check_output

github_origin_re = r"^(git@github\.com:|https:\/\/github.com\/)([\w\-_]+)\/([\w\-_]+)\.git$"

try:

tomlankhorst

<VirtualHost *:443>
    ServerName service.com
    
    # Set CORS headers to allow XHR
    # Determine if Origin matches the regex
    SetEnvIf Origin "http(s)?://(www.api-client.com|beta.api-client.com:8000)$" AccessControlAllowOrigin=$0
    # Set Access-Control-Allow-Origin if the Origin is allowd
    Header always set Access-Control-Allow-Origin %{AccessControlAllowOrigin}e env=AccessControlAllowOrigin
    Header always set Access-Control-Allow-Credentials true
    Header always set Access-Control-Allow-Headers "Origin, Authorization, Accept"

tomlankhorst

// https://javadoc.jenkins.io/jenkins/model/Jenkins.html#getItemByFullName-java.lang.String-
def organization = Hudson.instance.getItemByFullName('my_organization')
if (!organization) throw new Exception("No organization by that name")
// https://javadoc.jenkins.io/plugin/cloudbees-folder/com/cloudbees/hudson/plugins/folder/AbstractFolder.html#getItems--
def jobs = organization.getItems()

jobs.each { 
  // find the sub-job that's named "master"
  // https://javadoc.jenkins.io/hudson/model/Item.html#getName--
  master = it.items.find { it.getName() == "master" } 

tomlankhorst

#!/bin/bash

# USE AT OWN RISK

# Current user
USER=$1
HOME=$(eval echo ~$USER)

# Base keys
cat $HOME/.ssh/authorized_keys

tomlankhorst

Setting up a Docker Swarm with GPUs

Installing Docker

Official instructions.

Add yourself to the docker group to be able to run containers as non-root (see Post-install steps for Linux).