jamesmacaulay

class Module
  # Takes symbols representing instance methods defined in the module.
  # Returns a new anonymous module with only those instance methods defined.
  def slice(*methods)
    src = self
    Module.new do
      methods.each do |sym|
        define_method(sym, src.instance_method(sym))
      end
    end

jamesmacaulay

$ curl -I https://shopify.github.io/dashing/
HTTP/1.1 200 OK
Date: Sat, 14 Jun 2014 16:57:15 GMT
Server: GitHub.com
Content-Type: text/html; charset=utf-8
Last-Modified: Wed, 07 May 2014 03:44:03 GMT
Expires: Sat, 14 Jun 2014 17:07:15 GMT
Cache-Control: max-age=600
Content-Length: 15154
Accept-Ranges: bytes

jamesmacaulay

debounce : Time -> Signal a -> Signal a
debounce t sig = sig |> sampleOn (Time.since t sig |> keepIf not False)

jamesmacaulay

import Mouse
import Array

buildAppDataMap delta pos history =
  { frameDelta=delta
  , mousePosition=pos
  , clickHistory=history }
  
arrayTakeLast n array =
  let inputLen = Array.length array

jamesmacaulay

module AttributeReaders
  class <<self
    # str = "foo"
    # overrides = {
    #   another_reverse: :reverse,
    #   exclaimed: ->(str) { str + "!" },
    #   to_sym: ->(str) { str.reverse.to_sym }
    # }
    # reader = AttributeReaders.object_reader(str, overrides)
    # [:reverse, :another_reverse, :exclaimed, :to_sym].map(&reader)

jamesmacaulay

#!/usr/bin/env ruby
# gemmate

# open the directory of a rubygem as a project in textmate
# responds to anything that `gem which` can handle
# e.g.:
# gemmate autotest
# => `mate /Library/Ruby/Gems/1.8/gems/ZenTest-3.11.0`
# gemmate active_record
# => `mate /Library/Ruby/Gems/1.8/gems/activerecord-2.2.2`

jamesmacaulay

#!/usr/bin/env ruby
# branchmate
# opens whichever files you've modified in this git branch compared to master
target = ARGV[0] || 'master'

p (cmd = "git diff #{target} --name-only")

files = `#{cmd}`.split.reject {|f| f =~ /^vendor/}
puts files.join("\n")

jamesmacaulay

# debug_in
# call debugger only when the stack trace includes a certain file and/or method
# 
# use like:
# debug_in(:file => 'order_test', :method => 'test_taxes_included')
# debug_in(:r => /taxes.*included/)
#
# put in test_helper.rb
def debug_in(options = {})
  debugger if caller.detect {|c| c =~ /#{(options[:file].to_s + ".rb") if options[:file]}.*#{("`" + options[:method].to_s + "'$") if options[:method]}/ && c =~ (options[:r] || //)}

jamesmacaulay

<ul>

  <r:feed:items
      url="http://feeds.boingboing.net/boingboing/iBag"
      order="creator ASC">

    <r:feed:header for="creator">
      <h2><r:feed:creator /></h2>
    </r:feed:header>

jamesmacaulay

function bd {
    if [ -z $1 ]; then
        n=1
    else
        n=$1
    fi
    pushd +$n > /dev/null
}

function fd {