devpuppy

# currying

add = ->(a, b) {
  a + b
}
add_two = add.curry.(2)
# => #<Proc:0x00007f911d0962c0 (lambda)>
add_two.(1)
# => 3

devpuppy

require 'benchmark/ips'

# hash.size # 1000
# hash.values.flatten.size # 500500
def a_big_hash
  {}.tap do |h|
    1.upto(1000) { |i| h[i.to_s.to_sym] = 1.upto(i).to_a }
  end
end

devpuppy

function ajax(url, callback) {
	var xhr = new XMLHttpRequest();
	xhr.onreadystatechange = function() {
		if (xhr.readyState === 4) {
			callback(xhr.responseText);
		}
	}
	xhr.open('GET', url, true);
	xhr.send();
}

devpuppy

alert(window.location.pathname);

devpuppy

# http://andora.us/blog/2011/03/03/choosing-foreground-using-luminosity-contrast-ratio/
# color contrast ratio ranges from 1 (least) to 21 (most, white/black)
class Color
  attr_reader :r, :g, :b

  def initialize(hex)
    raise 'Invalid hex code' unless hex =~ /[0-9a-f]{6}/i
    hexes = hex.scan /.{2}/
    @r,@g,@b = hexes.map { |h| h.hex.to_i }
  end

devpuppy

#!/bin/bash

# accepts as many version strings as you like
# returns them in order, one per line, highest first
function vseq()
{
  # collect arbitrary number of args
  while [ -n "$1" ]; do
    args="$args$1,"
    shift

devpuppy

# subl . + all files that have been edited in this branch
# your $EDITOR may vary
alias diffedit="(echo '.' && git diff --name-only `git merge-base origin/master HEAD`) | xargs subl"

devpuppy

# as a one-liner to use in an rspec example
@user.stub(:trebuchet).and_return(double(@user.trebuchet, :launch? => true))

# more verbose example
it "should stub user.trebuchet"  do
  @user = Factory(:user)
  @user.trebuchet.launch?("something ridiculous").should be_false

  enthusiastic_trebuchet = double(@user.trebuchet, :launch? => true)
  @user.stub(:trebuchet).and_return(enthusiastic_trebuchet)

devpuppy

# code at http://gist.github.com/3350
# tests at http://gist.github.com/3354
require 'rubygems'
require 'active_resource'
require 'time'

class Hoptoad < ActiveResource::Base
  self.site = "https://YOUR_ACCOUNT.hoptoadapp.com"

  class << self

devpuppy

FIXME:
WARNING: Nokogiri was built against LibXML version 2.7.3, but has dynamically loaded 2.7.8
or
libxml_ruby.bundle: dlsym(0x10fde1900, Init_libxml_ruby): symbol not found 


gem uninstall nokogiri libxml-ruby

brew update
brew uninstall libxml2