iamjwc

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iamjwc

class ThingRepresentation < Representable::Decorator
  include Representable::JSON

  property :field
end

# This works great.
ThingRepresentation.new(Thing.new).to_json # => { "field": "thing value" }

# This does not work.

iamjwc

{"songs": [
  {
    "globalId": "gold-rush",
    "name": "Gold Rush",
    "written-by": "Bill Monroe",
    "key":  "a",
    "chord-progression": [
      {"section-name": "A", "chords": [
        {"key-as-letter": "a", "key-as-roman": "I", "duration": 3.0},
        {"key-as-letter": "e", "key-as-roman": "V", "duration": 0.5}

iamjwc

class Parent
  def self.print_name
    puts self.name
  end

  def self.name
    "Parent"
  end
end

iamjwc

# From: http://www.quirksmode.org/js/cookies.html
window.CookieHelpers =
  expiry: (days) ->
    date = new Date
    date.setTime(date.getTime()+(days*24*60*60*1000))
    "; expires=#{date.toGMTString()}"

  write: (name, value, days) ->
    expires = if days then this.expiry(days) else ""
    document.cookie = "#{name}=#{value}#{expires}; path=/"

iamjwc

<div style="overflow:hidden; height: 100px">
  <span id="1" style="height:50px;" />
  <span id="2" style="height:50px;" />
  <span id="3" style="height:50px;" />
</div>

iamjwc

#!/usr/bin/env bash

IP=`ifconfig | grep "inet " | grep -v "inet 127.0.0.1" | cut -f 2 -d " "`
PORT=$1
if [ -z "$1" ]
then
  PORT=8000
fi

# Copy ip and port to pasteboard

iamjwc

class Pipe
  DestinyNotYetChosenException = Class.new(Exception)
  CannotWriteToReaderException = Class.new(Exception)
  CannotReadFromWriterException = Class.new(Exception)

  def initialize
    @readpipe, @writepipe = IO.pipe
  end

iamjwc

[~/programming/sinatra]$ irb
ruby-1.8.7-p330 :001 > class Array; def save_map(&blk); self.instance_variable_set(:@map_blk, blk) end; def call_saved_map; self.map(&self.instance_variable_get(:@map_blk)) end end
 => nil 
ruby-1.8.7-p330 :002 > a = [1,2,3]
 => [1, 2, 3] 
ruby-1.8.7-p330 :003 > a.save_map {|i| i * 2 }
 => #<Proc:0x00000001003463a8@(irb):3> 
ruby-1.8.7-p330 :004 > a
 => [1, 2, 3] 
ruby-1.8.7-p330 :005 > a.call_saved_map

iamjwc

module Sinatra::BeforeAction
  def before_action(&blk)
    before {
      # Find all the routes for the given request method
      routes = self.class.routes[request.request_method]

      # Find the route that matches the pattern/conditions of the
      # request and steal the params.
      routes.select do |pattern, keys, conditions, block|