litch’s gists

litch / rpn_3_ways.rb

Last active December 20, 2015 01:29

RPN 3 ways. I had two - then tried to do the pattern-matching solution, wound up being intermediate performance...

	require 'rspec/autorun'
	require 'benchmark'

	describe "polish notation" do
	it "do a trivial case" do
	polish_parser(:+, 1, 1).first.should == 2
	reverse_stack_polish_parser(:+, 1, 1).first.should == 2
	pm_polish_parser(:+, 1, 1).first.should == 2
	end

litch / merchant_account_test.rb

Created May 28, 2013 19:44

crazy epic unit test

	require 'test_helper'

	class MerchantAccountTest < ActiveSupport::TestCase
	setup do
	@merchant_account = FactoryGirl.create(:merchant_account)
	end

	should "fetch authorized orders" do
	@order = FactoryGirl.create(:order, venue: @merchant_account.venue)
	credit_card_hash = {

litch / speakers_controller.rb

Last active December 14, 2015 07:49

	class SpeakersController < ApplicationController
	load_and_authorize_resource :event
	load_and_authorize_resource :speaker, through: [:event], shallow: true #the array here could only be the single symbol but since i almost always wind up adding more, i just start with it
	before_filter :new_speaker, :only => [:new, :create]
	respond_to :html

	def index
	end

	def show

litch / Gemfile

Created February 24, 2013 17:34

Ruby 2.0.0 installation with RVM and running on heroku. RVM instructions sourced from: https://coderwall.com/p/tptocq A quick comparison of Ruby 2.0.0 performance loading rails can be found at my blog: www.superpumpup.com

	source 'https://rubygems.org'
	ruby "2.0.0"

	gem 'rails', github: 'rails/rails'
	gem 'arel', github: 'rails/arel'
	...

litch / peepcode.js

Created February 23, 2013 18:35

	App.Router.map(function() {
	this.resource('tables', function() {
	this.resource('table', {path: ':table_id'});
	});
	});

litch / can_be_in_diff_places.js

Created January 28, 2013 22:07

javascript to have a button do something but still pass through

	$("#my_button_id").click(function () {
	call_my_other_js;
	});)
	$("#my_button_id").click(function () {
	$("form#formID").submit();
	});)
	$("#my_button_id").click(function () {
	do_thing_3_for_kicks;
	});)

litch / capybara_select_dates_and_times.rb

Created January 25, 2013 02:44

	require "xpath" # XPath is a separate gem now

	module Cucumber
	module Rails
	module CapybaraSelectDatesAndTimes
	def select_date (date, options = {})
	date = Date.parse(date)

	# lookup id prefix by label
	id_prefix = id_prefix_for(options[:label])

litch / equipment_item.rb

Created January 23, 2013 17:58

Refactor me challenge!

	class EquipmentItem
	attr_accessor :task_items, equipment_hauls

	def current_location
	last_task = task_items.sort_by{\|a\| a.end_time }.last
	last_haul = equipment_hauls.last
	if last_task && last_haul
	if last_task.end_time > last_haul.performed_at
	last_task.timesheet.job
	else

litch / crawl_the_site.rb

Last active December 11, 2015 07:59

One of the most frustrating things I run into in development is that sometimes, when I have been doing my testing, (even FE testing) and making changes to FE code, and pushing to production and start getting 500's because some element in my production dataset is nil that is not nil in my factories. So now I just cobbled together a test method t…

	require_relative '../features_helper'

	describe "as an admin", js: true do
	it 'crawls the site with a tiny data set' do
	default_url_options[:host] = "127.0.0.1:6543"
	sign_in(:admin)
	objects = [
	create(:customer),
	create(:job),
	create(:employee),

litch / job_spec.rb

Created January 8, 2013 06:09

	it "can have the dig test requirement overridden" do
	job = create :job
	job.approve
	sign_in(:dispatcher)
	visit edit_job_path(job)
	find(:css, "#job_no_dig_test_needed").set(true) #selenium test errors on this line - it can't find the selector but in reality it didn't find the job
	click_button "Update"
	visit job_path(job)
	expect(page).to have_content "Activate"
	end

Justin Litchfield litch