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wacko /
Created Oct 30, 2014
Steps for installing ImageMagick-6.8.9 on Debian
sudo apt-get update
sudo apt-get install build-essential checkinstall libx11-dev libxext-dev zlib1g-dev libpng12-dev libjpeg-dev libfreetype6-dev libxml2-dev
sudo apt-get install imagemagick
tar -xzvf ImageMagick.tar.gz
cd ImageMagick-6.8.9-9
sudo make install
wacko / wtf_patch.rb
Created Feb 14, 2014
Rails freezes when trying to generate a broken route
View wtf_patch.rb
# Related:
# Rails freezes when
module ActionDispatch
module Routing
class RouteSet
def inspect
# The solution is... to throw a random exception (to halt the normal flow, I think)
View exception.rb
#! /usr/bin/env ruby
def (_) Exception end
def ಠ益ಠლ; end
raise (ಠ益ಠლ), "WTF, dude!"
wacko / clock
Last active Jan 3, 2016
Emoji animations that fit in a tweet
View clock
ruby -e 'z=0x1F551;->(c,&b){loop{c.each(&b)}}.({|i|[z+i].pack("U")}){|m|print "#{"\b"*3}#{m} ";sleep 0.1}'
wacko / fractals
Last active Jan 3, 2016
Ruby scripts that print a fractal in less than 140 chars
View fractals
# Fractal #1
ruby -e "36.times{|l|puts (0..99).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.9,2*x*y+l/14.0-1.2,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"
# Fractal #2
ruby -e "32.times{|l|puts (0..78).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.5,2*x*y+l/14.0-1,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"
# Fractal #3
ruby -e "57.times{|l|puts (-20..135).map{|n|x=y=i=0;(x,y,i=x*x-y*y+n/38.0-1.5,2*x*y+l/14.0-2,i+1)until(x*x+y*y>4||i>78);(32+i).chr}*''}"
View juju
sudo apt-get -y install python-software-properties
sudo add-apt-repository ppa:juju/pkgs
sudo apt-get update
sudo apt-get -y install lxc apt-cacher-ng libzookeeper-java zookeeper juju git
# create a SSH authorized/public key
ssh-keygen -t rsa
# set AWS credentials
wacko / gist:5577187
Last active Mar 3, 2020
SSH between Mac OS X host and Virtual Box guest
View gist:5577187

On Mac OS (host):

Shutdown your VM and do:

VirtualBox > Settings > Network > Add (you will get vboxnet0)

On a terminal ifconfig will show you new interface vboxnet0

VM's Settings > System > check "Enable I/O APIC." VM's Settings > Network > Adapter 2 > host-only vboxnet0

wacko / carousel.html
Created May 2, 2013
Twitter Bootstrap - Fade in / fade out on carousel
View carousel.html
wacko / delicious_shortcuts.js
Created Mar 4, 2013
Delicious: Shortcut for adding a new link ("a") seems to be missing
View delicious_shortcuts.js
// source:
wacko / traceroute
Last active Dec 12, 2015
View traceroute
$ traceroute
traceroute to (, 64 hops max, 52 byte packets
1 * * *
2 * * *
3 * * *
4 * * *
5 ( 66.947 ms ( 64.246 ms ( 64.231 ms
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