Douglas G. Allen DouglasAllen

DouglasAllen / my_lambda.rb

Last active June 2, 2017 17:00

	require 'date'

	date = DateTime.now
	jd = date.jd
	t = (jd - 2_451_545.0) / 36_525.0
	ma = [1287104.793048, 129596581.0481, - 0.5532, 0.000136, - 0.00001149]

	@horner = lambda { \|t, abc\|
	abc.each_with_index.reduce(0){\|a, (e, i)\| a + e * t**i}
	}

DouglasAllen / from_r_aa2.rb

Last active March 24, 2017 17:43

DouglasAllen / from_r_aa.rb

Created March 22, 2017 22:05

DouglasAllen / vowels_consonants_counter.c

Created February 11, 2017 11:46

C main program takes a string input and counts the number of vowels and consonants.


	//**************************************
	// Name: vowels_consonants_counter.c
	// Description:
	// Consonants and Vowels Counter in C
	// A sample program that will ask the user to enter a work or
	// a sentence and then the program will count how many consonants and
	// vowels in a given word or sentence by the user.
	// Take note I am using Turbo C 2.0 For DOS as my C compiler in this program.
	//

DouglasAllen / sunrise.cpp

Last active February 11, 2017 03:37

Qt Sunrise author unknown appears to be based upon the Wikipedia sunrise equation

	#include <QtCore>
	#include "sunrise.h"


	Sunrise::Sunrise(double latitude_, double longitude_, double elevation_)
	: latitude(latitude_)
	, longitude(-longitude_)
	, elevation(elevation_)
	{

DouglasAllen / rose_sketch.js

Created February 10, 2017 04:40

	// Daniel Shiffman
	// http://codingtra.in
	// Mathematical Roses
	// Video: https://youtu.be/f5QBExMNB1I
	// Based on: https://en.wikipedia.org/wiki/Rose_(mathematics)

	var d = 8;
	var n = 5;
	var sliderD;
	var sliderN;

DouglasAllen / simple_rose.rb

Created February 10, 2017 02:01

This will run in Ruby Shoes only. see... http://shoesrb.com/


	# could be the start of a nice spirograpgh program
	# require 'green_shoes'

	Shoes.app height: 820, width: 1420, title: ' Roseland Revisited' do
	background black
	@center_y = height / 2
	@center_x = width / 2
	@radius = @center_x / @center_y * @center_x
	para @radius.to_s

DouglasAllen / SolarInfo.cs

Created October 14, 2016 00:29 — forked from cstrahan/SolarInfo.cs

A sunrise/sunset calculator.

	using System;
	using System.Diagnostics;

	namespace SunriseCalculator
	{
	public class SolarInfo
	{
	public double SolarDeclination { get; private set; }
	public TimeSpan EquationOfTime { get; private set; }
	public DateTime Sunrise { get; private set; }

DouglasAllen / blog_template.rb

Created January 26, 2016 20:12 — forked from achiurizo/blog_template.rb

	project :test => :shoulda, :renderer => :haml, :stylesheet => :sass, :script => :jquery, :orm => :activerecord

	#default routes
	APP_INIT = <<-APP
	get "/" do
	"Hello World!"
	end

	get :about, :map => '/about_us' do
	render :haml, "%p This is a sample blog created to demonstrate the power of Padrino!"

DouglasAllen / method_call.rb

Created September 5, 2015 17:20