Georg Kreimer georgkreimer

☠️

Hack the planet!

Breaking things.

georgkreimer / gist:537794

Created August 19, 2010 12:44

pretty print json in ruby

	require 'json'
	my_json = { :array => [1, 2, 3, { :sample => "hash"} ], :foo => "bar" }
	puts JSON.pretty_generate(my_json)
	Which gets you...

	{
	"array": [
	1,
	2,
	3,

georgkreimer / point_in_polygon.rb

Created September 17, 2010 21:34

tests if a point is inside a polygon (ported code from c example)

	polygon = [{:x=>0,:y=>0},{:x=>4,:y=>0},{:x=>2,:y=>2},{:x=>0,:y=>4}]
	point0 = {:x=>0,:y=>0}
	point1 = {:x=>0.00000000001,:y=>0.00000000001}
	point2 = {:x=>1,:y=>1}
	point3 = {:x=>2,:y=>2}
	point4 = {:x=>1.99999999999,:y=>1.99999999999}

	# http://www.visibone.com/inpoly/
	# http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html
	#

georgkreimer / hash_intersection.rb

Created November 19, 2010 14:07

Hash intersection in Ruby

	first = {"a" => 4, "b" => 1, "c" => 3, "g" => 201, "h" => 501}
	second = {"d" => 19, "e" => 18, "c" => 17, "g" => 201, "h" => 501}

	keys_intersection = first.keys & second.keys
	merged = first.dup.update(second)

	intersection = {}
	keys_intersection.each do \|k\|
	intersection[k]=merged[k] unless first[k] != second[k]
	end

georgkreimer / gist:727710

Created December 3, 2010 23:19

enable AFP from commandline

	edit "/etc/hostconfig"
	change "AFPSERVER=-NO-" to "AFPSERVER=-YES-"

	run "sudo SystemStarter start 'Apple File Service'"

georgkreimer / install_homebrew.rb

Created December 9, 2010 22:55

Installs Homebrew to /usr/local so you don't need sudo to `brew install` (powerpc branch)

	#!/usr/bin/ruby
	#
	# This script installs to /usr/local only. To install elsewhere you can just
	# untar https://github.com/sceaga/homebrew/tarball/powerpc anywhere you like.
	#
	#
	# 30th March 2010:
	# Added a check to make sure user is in the staff group. This was a problem
	# for me, and I think it was due to me migrating my account over several
	# versions of OS X. I cannot verify that for sure, and it was tested on

georgkreimer / gist:769570

Created January 7, 2011 15:12

example at http://rubiii.github.com/savon/

	this:

	<env:Envelope
	xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
	xmlns:wsdl="http://v1.example.com">
	<env:Body>
	<wsdl:GetUser>
	<firstName>The</firstName>
	<lastName>Hoff</lastName>
	<FAME>Knight Rider</FAME>

georgkreimer / soaparray.rb

Created February 14, 2011 14:41

	# extensions
	# …
	module SOAPArray
	def to_soap_array(item_name = "messageId")
	result=Array.new
	self.each do \|val\|
	result.push({item_name => val.to_i})
	end
	result
	end

georgkreimer / ruby-1.9-tips.rb

Created October 9, 2011 18:45 — forked from igrigorik/ruby-1.9-tips.rb

Ruby 1.9 features, tips & tricks you may not know about...

	def tip(msg); puts; puts msg; puts "-"*100; end

	#
	# 30 Ruby 1.9 Tips, Tricks & Features:
	# http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/
	#

	tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2"

	tip "Ruby 1.9 supports named captures in regular expressions!"

georgkreimer / gist:1276091

Created October 10, 2011 18:23 — forked from javan/gist:1168475

Fix iPhone home button

	Found this tip in comment here: http://www.tipb.com/2011/01/04/tipb-bug-home-button-working-iphone/

	1.) Open any application

	2.) Press and hold the power button until the slide to shutdown swipe bar appears.

	3.) Release Power button

	4.) Press and hold Home button Lightly
	until screen returns to icon screen

georgkreimer / mapped_hash.rb

Created October 11, 2011 14:02 — forked from jeffkreeftmeijer/mapped_hash.rb

MappedHash