joshnesbitt

initializer :after => :initialize_dependency_mechanism do
  ActiveSupport::Dependencies.mechanism = :load
end

joshnesbitt

gem 'geokit'

joshnesbitt

      def random
        find(:first, :offset => (count * rand).to_i)
      end

joshnesbitt

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!"

joshnesbitt

class LockFile
  attr_accessor :path

  def initialize(path="/tmp/lockfile.lock")
    @path = path
    if block_given?
      lock!
      yield
      unlock!
    end

joshnesbitt

function getParam(key)
{
    var regex, values;
    
    regex  = new RegExp("[\\?&]" + key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]") + "=([^&]*)", "i");
    values = regex.exec(unescape(window.location.href));
    return (values == null) ? "" : values[1];
}

joshnesbitt

# Before:
@avatars = Avatar.order("avatars.name ASC, avatars.name ASC")
@avatars = @avatars.where(["avatars.name like ? or users.email like ? or users.name like ?", params[:term], params[:term], params[:term]]) unless params[:term].blank?
@avatars = @avatars.paginate(:page => params[:page], :per_page => 25)

# After
class Avatar
  
  def self.find_by_something(something, order="name ASC")
    ['avatars.name LIKE ?', 'users.email LIKE ?', 'users.name LIKE ?'].inject(self.order(order).includes(:user)) do |assoc, cond|

joshnesbitt

module ExceptionCatcher
  
  def with_exception_handling(silent=false, &block)
      begin
        yield block
      rescue => e
        unless silent
          # send to hoptoad
          puts "sending error somewhere"
        end

joshnesbitt

module IntegerAssertions
  
  def negative?
    self < 0
  end
  
  def positive?
    self > 0
  end
  

joshnesbitt

var destination = document.getElementById("destinationTextbox");
var source = document.getElementById("sourceTextbox");

var destinationHandler = function(value){
	return destination.value = value;
}

source.onchange = function(){
	destinationHandler(this.value);
};