LukasWoodtli

#lang racket
;; Conways PRIMEGAME
;; https://en.wikipedia.org/wiki/FRACTRAN

(define primegame-seq (list (/ 17 91) (/ 78 85) (/ 19 51) (/ 23 38) (/ 29 33) (/ 77 29) (/ 95 23) (/ 77 19) (/ 1 17) (/ 11 13) (/ 13 11) (/ 15 2) (/ 1 7) (/ 55 1)))


(define (calc-next-int num)
(define (iter num seq)
  (let ((a (* num (first seq))))

LukasWoodtli

#include <stdio.h>

/* Multidimensional arrays are stored with the last index as least significant,
   i.e. changing fastest.
   from: http://www.agner.org/optimize/calling_conventions.pdf */

#define x_dim 5
#define y_dim 3
int array[x_dim][y_dim]= {{1,   2,  3},
                  {4,   5,  6},

LukasWoodtli

clear

graphics_toolkit('qt')

# 2D Graph
x = [-10:0.1:10];
y = 50*sin(x).+x.^2+x;
figure(1)
plot(x,y, "linewidth", 2)
grid

LukasWoodtli

# Example for a include-what-you-use mapping
[
  { include: ["<bits/std_function.h>", private, "<functional>", public ] },
  { include: ["<bits/shared_ptr.h>", private, "<memory>", public] },
  { include: ["<boost/asio/ip/impl/address.ipp>", private, "<boost/asio/ip/address.hpp>", public] },
  { include: ["<ext/alloc_traits.h>", private, "<type_traits>", public] },
  { include: ["<bits/exception.h>", private, "<exception>", public ] },
  { include: ["<boost/asio/detail/impl/reactive_socket_service_base.ipp>", private, "<boost/asio/socket_base.hpp>", public] },
  # Use regex with '@' at the beginning
  { include: ["@<boost/signals2/detail/.*>", private, "<boost/signals2.hpp>", public] },

LukasWoodtli

#!/usr/bin/env python

import sys

filename = sys.argv[1]

f = open(filename, 'r')

data = f.read()

LukasWoodtli

# put this file in the top source dir (CMAKE_SOURCE_DIR)
# see: https://cmake.org/cmake/help/latest/module/CMakeGraphVizOptions.html

set(GRAPHVIZ_EXTERNAL_LIBS FALSE)
# only dependencies between libraries
set(GRAPHVIZ_EXECUTABLES FALSE)

LukasWoodtli

#!/bin/bash

# If scan-build (clang static analyzer) can't analyze the code properly
# setting the analyzer implizitely can help

analyzerPath=$(realpath "$(dirname $(which clang))/../libexec")

cmake -G Ninja \
    -DCMAKE_CXX_COMPILER="$analyzerPath/c++-analyzer" \
    -DCMAKE_C_COMPILER="$analyzerPath/ccc-analyzer" \

LukasWoodtli

#!/bin/bash

source /ros_entrypoint.sh
ip=$(hostname -I)
export ROS_IP=$ip
export ROS_MASTER_URI=http://172.17.0.2:11311
echo $ROS_IP
echo $ROS_MASTER_URI

bash

LukasWoodtli

 // add this to the script editor in google sheets
 // this hook is called when a table (cell) is edited
 function onEdit(e) {
   // get the sheet that is worked on
   var s = SpreadsheetApp.getActiveSheet();
   // cell that is edited
   var r = s.getActiveCell();
   // uncomment for some messages for debugging
   //Browser.msgBox(e.range.getColumn());
   //Browser.msgBox(s.getName());

LukasWoodtli

## Diffs two files. Aborts if the diff fails
function(diff_files file_a file_b)
  execute_process(COMMAND diff ${file_a} ${file_b}
          RESULT_VARIABLE DIFF_RESULT)

  if (DIFF_RESULT)
    execute_process(COMMAND meld "${file_a}" "${file_b}")
    message(FATAL_ERROR "Diffing failed: ${file_a} ${file_b}")
  else()
    message("Successful diff: ${file_a} ${file_b}")