René Hansen rhardih

rhardih / colnames.c

Created June 1, 2014 21:28

	#include <stdio.h>
	#include <string.h>

	int main(int argc, char const *argv[])
	{
	int i, j, mod;
	char tmp[50] = "";
	char result[50] = "";

	for(i = 1; i < 817; i++) {

rhardih / crontab

Last active August 29, 2015 14:23

Cleanup stuff in ~/Downloads/

0 12 * * * find ~/Downloads/ -mtime +7 -maxdepth 1 -exec rm -rf {} \;

rhardih / uniquify.sh

Created June 18, 2015 12:39

Remove duplicates from a list of arguments in bash

rhardih / convert.sh

Created August 26, 2015 17:18

Recursively find and convert .epub to .mobi using calibres ebook-convert (in parallel)

find . -name "*.epub" -exec sh -c 'ebook-convert "{}" "$(dirname "{}")/$(basename -s .epub "{}").mobi" &' \;

rhardih / pointer_fun.c

Created October 19, 2015 23:28

Simple example of manipulating contents of a pointer from within a function call.

	#include <stdio.h>
	#include <stdlib.h>

	int pointer_pointer_function(int **pp)
	{

	printf("EQUAL WAYS OF ADDRESSING:\n");
	printf("(pp + 0): %d\n", (int) (pp + 0));
	printf("(pp + 1): %d\n", (int) (pp + 1));
	printf("(pp + 2): %d\n", (int) (pp + 2));

rhardih / when.js

Created April 18, 2016 14:50

Simple handler class providing callbacks when dom objects scroll into view

	var WhenHandler = function(id) {
	this.elm = document.querySelector("#" + id);
	this.scrolled_into_view = false;
	this.scroll_callback;

	this.doc = document.documentElement;
	this.doc_bounds = this.doc.getBoundingClientRect();
	this.elm_bounds = this.elm.getBoundingClientRect();
	}

rhardih / md5c.sh

Created November 2, 2016 11:42

Bash utility shorthand to validate md5 checksums on files

	#!/usr/bin/env bash

	# md5c
	#
	# Perform md5 checksum validation of a file against
	# a specified md5 hash.
	#
	# usage: md5c filename hash
	function md5c {
	filename="$1"

rhardih / rf.sh

Created November 20, 2016 17:08

List a random file from the current directory

ls | head -$(($RANDOM % `ls | wc -l` + 1)) | tail -1

rhardih / out.sh

Created November 22, 2016 14:26

Leptonica build fails to find include of custom compiled version of libjpeg

	rene $ ls -la
	total 0
	drwxr-xr-x 2 rene staff 68 Nov 22 15:22 .
	drwxr-xr-x 26 rene staff 884 Nov 22 14:15 ..
	[~/Code/leptonica/build] (master)
	rene $ tree ../dependencies/install/
	../dependencies/install/
	├── bin
	│ ├── cjpeg
	│ ├── djpeg

rhardih / Makefile

Created September 8, 2017 11:10

OpenCV cv::ocl::attachContext problem

	INC=-I/Users/rene/Code/OpenCL-Headers/opencl12
	PKG=`pkg-config --cflags --libs opencv`
	LD=`pkg-config --libs-only-L opencv \| cut -c 3-`

	.PHONY: default a.out.lldb
	default: build
	LD_LIBRARY_PATH=$(LD) ./a.out

	lldb: build a.out.lldb
	LD_LIBRARY_PATH=$(LD) lldb --source a.out.lldb