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How to resize VM

first Shut down the virtual machine

virsh shudown image.qcow2

then Resize the image with

qemu-img resize image.qcow2 +SIZE

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Rails Migration

http://guides.rubyonrails.org/migrations.html

Migrations methods:

• add_column
• add_index
• change_column
• change_table
• create_table
• drop_table

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Terminal

• iTerm2
• fish shell + omf + fisherman
• ack
• fzf (https://github.com/junegunn/fzf)
• hub (github tool)
• homebrew

IDE

• Vim

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# Hash with range keys
#---------------------
# ex:
# h = range_hash({})
# h[1..3] = 'v1'
# h[8..12] = 'v2'
#=> { 1..3 => 'v1', 8..12 => 'v2' }
#
# h[2..5] #=> 'v1'
# h[4..6] #=> nil

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(function($){ 

	//Finding min and max values in array from http://snippets.dzone.com/posts/show/769
	Array.prototype.min = function(){ return Math.min.apply({},this) };
	Array.prototype.max = function(){ return Math.max.apply({},this) };

	$.fn.masonry = function() {
		this.each(function() {
			
			var wall = $(this);

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#---------------------
# how to use:
# h = range_hash({})
# h[1..3] = 'v1'
# h[8..12] = 'v2'
# h               #=> { 1..3 => 'v1', 8..12 => 'v2' }
#
# h[2..5]         #=> 'v1'
# h[4..6]         #=> nil

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Console VIM and Tmux setup compatible with Mac OS X and Linux.

Disclaimer: This file is called .a_README.markdown so that it'll appear first in the gist view (sorry for the horrible name)

Installation

Because this script prompts for user input, you have to execute it in a bit of an odd way. From a new command prompt simply copy and paste the following command and press return:

devsigner

Console VIM and Tmux setup compatible with Mac OS X and Linux.

Disclaimer: This file is called .a_README.markdown so that it'll appear first in the gist view (sorry for the horrible name)

Installation

Because this script prompts for user input, you have to execute it in a bit of an odd way. From a new command prompt simply copy and paste the following command and press return:

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if ENV['MY_RUBY_HOME'] && ENV['MY_RUBY_HOME'].include?('rvm')
  begin
    gems_path = ENV['MY_RUBY_HOME'].split(/@/)[0].sub(/rubies/,'gems')
    ENV['GEM_PATH'] = "#{gems_path}:#{gems_path}@global"
    require 'rvm'
    RVM.use_from_path! File.dirname(File.dirname(__FILE__))
  rescue LoadError
    raise "RVM gem is currently unavailable."
  end
end

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# In the apps root directory run
# http://blog.phusion.nl/2010/09/21/phusion-passenger-running-multiple-ruby-versions/
# passenger start -a localhost -p 3000 -e production -d

<VirtualHost *:80>
    ServerName ranking.timehub.net
    DocumentRoot /the/path/to/the/app/public
    PassengerEnabled off
    ProxyPass / http://localhost:3000/
    ProxyPassReverse / http://localhost:3000/