Bernhard Häussner bxt

Hey, I'm a developer working at @xing. I like functional programming.

63 followers · 134 following

XING
Hamburg, Germany
14:00 (UTC +02:00)
http://bernhardhaeussner.de

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bxt / just a number sequence.txt

Created November 11, 2019 18:26

8, 88, 38, 58, 98, 68, 78, 48, 28, 18, 80, 3, 30, 83, 33, 53, 93, 63, 73, 43, 23, 13, 1, 81, 31, 51, 91, 61, 71, 41, 21, 11, 5, 85, 35, 55, 95, 65, 75, 45, 25, 15, 50, 100, 9, 80, 39, 59, 99, 69, 79, 49, 29, 19, 90, 6, 86, 36, 56, 96, 66, 67, 46, 26, 16, 60, 7, 87, 37, 57, 97, 67, 77, 47, 27, 17, 70, 4, 48, 34, 54, 94, 64, 74, 44, 24, 14, 40, 10, 20, 2, 82, 32, 52, 92, 62, 72, 42, 22, 12

bxt / numcompare.jsx

Created May 14, 2019 16:42

Comparison of Javascript number conversions

	const potentialNumbers = [
	null,
	undefined,
	'',
	'x',
	1,
	1.0,
	'1',
	' 1',
	'1 ',

bxt / dl-ftbs.sh

Created October 12, 2017 08:51

Donwload a page recursively with wget including google cdn jquery file (Filmtage Bayerischer Schulen)

wget -r -E -H -Dwww.filmtage-bayerischer-schulen.de,ajax.googleapis.com -p -e robots=off -k http://www.filmtage-bayerischer-schulen.de/

bxt / with_last.rb

Created October 6, 2017 13:26

Map over ruby arrays / enumerables and have the last element marked with a boolean

	def with_last(enumerable, length = enumerable.length)
	Enumerator.new do \|yielder\|
	enumerable.each_with_index do \|element, index\|
	yielder.yield(element, index == length - 1)
	end
	end
	end

bxt / .block

Created July 28, 2017 08:54 — forked from mbostock/.block

Collision Detection

license: gpl-3.0

bxt / forktest.cr

Last active May 14, 2017 00:02

Fork test in Crystal lang

	puts "Starting..."

	forks = 10.times.map do \|i\|
	fork do
	puts "In fork #{i}"
	sleep(i)
	puts "End fork #{i}"
	end
	end.to_a

bxt / xml-to-csv.rb

Created April 26, 2017 22:53

Convert XML to CSV file using Ruby (nokogiri)

	require 'csv'
	require 'nokogiri'

	filename = "timeentries"

	doc = File.open("#{filename}.xml") { \|f\| Nokogiri::XML(f) }

	entries = doc.css('time-entry')

	CSV.open("#{filename}.csv", "wb") do \|csv\|

bxt / encapsulation-problem.rb

Last active December 7, 2016 08:57

Ruby's top level methods break encapsulation


	def a_random_method_not_defined_in_a_class
	puts self.class # outputs ExampleClass
	puts @a_private_member # works
	end

	class ExampleClass
	def initialize(a_private_member)
	@a_private_member = a_private_member
	end

bxt / make-git-great-again.sh

Last active November 16, 2016 12:49

Find out what coders want to make great again

	git log -i --format=oneline \| sed -n '/.[Mm]ake $.$ great again.*/ s//\1/p'

	# Or even:

	git log -i --format=oneline \| sed -n '/.[Mm]ake $.$ great again.*/ s//\1/p' \| ruby -ne 'BEGIN{a=[]};a<<$_.strip;END{puts a.join(", ")}'

	# A bit shorter and maybe more performant (so use this if you want to make many things great again, e.g. the whole of america):

	git log -i --format=oneline \| sed -n '/.[Mm]ake $.$ great again.*/ s//\1/p' \| ruby -ne 'print ", " if $.!=1;print $_.strip;END{puts}'

bxt / keep-every-50th-file.sh

Created November 9, 2016 23:13

Keep only 1/50 of all files in a directory, remove others forever

ls | awk 'NR%50!=25' | xargs rm

Newer Older

	git log -i --format=oneline \| sed -n '/.[Mm]ake \(.\) great again.*/ s//\1/p'

	# Or even:

	git log -i --format=oneline \| sed -n '/.[Mm]ake \(.\) great again.*/ s//\1/p' \| ruby -ne 'BEGIN{a=[]};a<<$_.strip;END{puts a.join(", ")}'

	# A bit shorter and maybe more performant (so use this if you want to make many things great again, e.g. the whole of america):

	git log -i --format=oneline \| sed -n '/.[Mm]ake \(.\) great again.*/ s//\1/p' \| ruby -ne 'print ", " if $.!=1;print $_.strip;END{puts}'