Steven Rockarts rockarts

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I ❤️📱development.

rockarts / standard_deviation.rb

Created June 24, 2014 03:07

Class For Calculating the Standard Deviation of Arrays

	require 'minitest/autorun'

	# Test case provided by: http://en.wikipedia.org/wiki/Standard_deviation
	class TestStandardDeviation < MiniTest::Unit::TestCase
	def setup
	@values = [2, 4, 4, 4, 5, 5, 7, 9]
	end

	def test_average_is_calculated
	average = @values.inject{ \|memo, element\| memo + element} / @values.length

rockarts / TuesdaysCounter.rb

Last active August 29, 2015 14:03

This will fail for any month except the current month but will get the amount of Tuesdays in the current month.

	require 'minitest/autorun'
	require 'date'
	class TestWeekdayCounter < MiniTest::Unit::TestCase

	def test_number_of_tuesdays_in_june_2014_should_be_4
	thisMonth = Date.new(2014, 6, 1)
	nextMonth = Date.new(2014, thisMonth.month + 1, 1) - 1
	assert_equal 4, WeekdayCounter.new.get_tuesdays(thisMonth, nextMonth)
	end

rockarts / simple_deck_of_cards.rb

Created August 5, 2014 07:03

	require 'minitest/autorun'

	class TestDeck < MiniTest::Unit::TestCase

	def test_that_deck_has_52_cards
	deck = Deck.new
	assert_equal 52, deck.cards.count
	end

	def test_that_deck_is_shuffled

rockarts / hackernews.js

Created April 8, 2016 05:37

	var Firebase = require('firebase');
	var json2html = require('node-json2html');
	const api = new Firebase('https://hacker-news.firebaseio.com/v0')

	var topStoryIds = []

	function loadTopStories(callback) {
	api.child('topstories').on('value', snapshot => {
	topStoryIds = snapshot.val();
	callback(print_stories);

rockarts / base58.cs

Last active August 7, 2016 21:05

Base58 Encode

	using System;
	using Microsoft.VisualStudio.TestTools.UnitTesting;

	namespace UnitTestProject1
	{
	[TestClass]
	public class UnitTest1
	{
	[TestMethod]
	public void ShouldEncodeIntegerToBase58()

rockarts / UrlRepository.cs

Created August 7, 2016 21:37

Simple In-Memory Repo for Testing

	using Microsoft.VisualStudio.TestTools.UnitTesting;
	using System.Collections.Generic;

	namespace UnitTestProject1
	{
	[TestClass]
	public class UrlRepositoryTest
	{
	[TestMethod]
	public void ShouldAddKeyAndRetrieveKey()

rockarts / IndexWords.swift

Created February 3, 2017 21:42

Index Words by First Letter in Swift

	func buildIndexFromNames(names: [String]) -> [String:[String]] {
	var indexedNames: [String:[String]] = [String():[]]

	for name in names{
	let firstLetterOfString = String(name.characters.prefix(1)).uppercaseString

	if indexedNames[firstLetterOfString] != nil {
	indexedNames[firstLetterOfString]!.append(name)
	} else {
	indexedNames[firstLetterOfString] = [name]

rockarts / setup.swift

Created February 20, 2017 17:19

Setup UIActivityLoadingIndicator

	func setupLoadingIndicator() {
	indicator.color = UIColor .blackColor()
	indicator.frame = CGRectMake(0.0, 0.0, 10.0, 10.0)
	indicator.center = self.view.center
	self.view.addSubview(indicator)
	indicator.bringSubviewToFront(self.view)
	indicator.startAnimating()
	}

rockarts / loadTableDataAsync.swift

Created February 20, 2017 17:24

	func loadTable() {
	dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)) {
	//Add your long running task to get the table data here

	dispatch_async(dispatch_get_main_queue()) {
	self.indicator.stopAnimating()
	self.indicator.hidesWhenStopped = true
	self.tableView.reloadData()
	}
	}

rockarts / gist:43acd0c382a571c2965d9e58cdca5211

Last active March 10, 2017 18:41

Polygon Map Test Data