kastner

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1B
• Decimal: 27

kastner

Copy and paste the swift code below into a playground to experiment.

This is a very close emulation of Functor and Monad typeclasses in swift. However, it is very fragile (i.e. easy to crash the compiler).

For example, instance methods of fmap will run fine, but attempting to use a globally defined fmap that acts on Functor types will cause a crash. Similarly for bind. Unfortunately this means we cannot define the nice infix operator versions of these functions.

kastner

Demonstrates the d3.geo.tile plug-in used in conjunction with the d3.geo.mercator projection to clip MapBox Natural Earth II raster tiles. The outline of the United States is loaded in TopoJSON format.

kastner

#
# Ideas stolen from lograge and brought to Rails 2.3
# https://github.com/mattmatt/lograge/blob/master/lib/lograge/log_subscriber.rb
#

module ImprovedControllerLogging
  def self.included(base)
    base.alias_method_chain :log_processing, :fixup
    base.inject_alias_method_chain :perform_action,
      :perform_action_with_benchmark,

kastner

module Deployinator
  module Stacks
    module Boilerplate
      def boilerplate_production_version
        # %x{curl http://my-app.com/version.txt}
        "cf44aab-20110729-230910-UTC"
      end

      def boilerplate_head_build
        # the build version you're about to push

kastner

/**
 * Smokescreen v0.1.2 - Chris Smoak <[email protected]>
 * A Flash player written in JavaScript.
 *
 * Copyright 2010, RevShock
 *
 * Date: 2010-05-27
 */
var Smokescreen = function(url, element, width, height, name, params) {
    goog = {};

kastner

# sometimes you really _do_ want a global... 
# alternately, stick it as a method on a Module somewhere, App.logger or whatever, but it's still just as much of a smell.

# replace STDERR with your filename of choice.
$logger = Logger.new(STDERR)
$logger.formatter = proc { |severity, datetime, progname, msg|
  "#{severity} - #{progname} - [#{datetime.strftime("%d/%m/%Y %H:%M:%S")}] #{msg}\n"
}

run(Rack::Builder.new {

kastner

  def test_something_for_real
    flunk <<-ABBOT_AND_COSTELLO
      hey buddy, you should probably rename this file and start testing for real.
      For Rael?
      No real...
      What's real? Rael?
      Rael? You mean Rails?
      Who's talking about Rails, all I want to know is if the test is for Rael...
    ABBOT_AND_COSTELLO
  end

kastner

# This is how you can get a user's location using MacRuby and CoreLocation
framework 'CoreLocation'

def locationManager(manager, didUpdateToLocation: new_location, fromLocation: old_location)
  puts "location: #{new_location.description}"
  exit
end

loc = CLLocationManager.alloc.init
loc.delegate = self

kastner

class Class
  def memoize(*methods)
    methods.each do |method_name|
      safe_method_name = method_name.to_s.gsub(/(\!|\?)/, '_')
      class_eval("
        alias :'#{safe_method_name}_without_memo' :'#{method_name}'
        def #{method_name}
          if defined?(@#{safe_method_name})
            @#{safe_method_name}