keithrbennett’s gists

keithrbennett / reverse_encrypter.rb

Created June 19, 2011 21:32

ReverseEncrypter - Naive Implementation of EncryptionContract

	require 'encryption_contract'

	# Naive and totally lame encrypter that just reverses the string.
	class ReverseEncrypter

	include EncryptionContract

	def encrypt(s)
	s.reverse
	end

keithrbennett / sample.kml

Created June 24, 2011 18:08

Sample KML file

	<?xml version="1.0"?>
	<kml xmlns="http://earth.google.com/kml/2.1">
	<Document>
	<Placemark>
	<name>Reston, Va</name>
	<description>Anchor_Name: Reston, Va<br/> Canonical Name: <br/>Country Name: US<br/>Population: 6829<br/></description>
	<Point>
	<coordinates>17,47</coordinates>
	</Point>
	</Placemark>

keithrbennett / parse_recursive.rb

Created October 20, 2011 02:08

Recursive parse that takes a flat array and returns an array of arrays of a max size.

	def parse(input_array, max_elements, output_array = [])
	(input_array && (! input_array.empty?)) \
	? parse(input_array[max_elements..-1], max_elements, output_array << input_array[0...max_elements]) \
	: output_array
	end

keithrbennett / example_output.txt

Created November 30, 2011 05:22

Example Output

keithrbennett / FrameInRuby.dump

Created December 19, 2011 21:28

Decompiled FrameInRuby.class (using JD-GUI from http://java.decompiler.free.fr/?q=jdgui)

	import org.jruby.Ruby;
	import org.jruby.RubyArray;
	import org.jruby.RubyFixnum;
	import org.jruby.RubyInstanceConfig;
	import org.jruby.RubyModule;
	import org.jruby.anno.JRubyMethod;
	import org.jruby.ast.executable.AbstractScript;
	import org.jruby.ast.executable.RuntimeCache;
	import org.jruby.internal.runtime.methods.CallConfiguration;
	import org.jruby.javasupport.util.RuntimeHelpers;

keithrbennett / gist:1530881

Created December 29, 2011 01:05

	=begin

	Reference: $100,000 from table, single status -> $21,330, $78,670

	Income: 100000.00 Tax: 21617.00 After Tax: 78383.00
	Income: 100010.00 Tax: 21619.80 After Tax: 78390.20
	Income: 100020.00 Tax: 21622.60 After Tax: 78397.40
	Income: 100030.00 Tax: 21625.40 After Tax: 78404.60
	Income: 100040.00 Tax: 21628.20 After Tax: 78411.80
	Income: 100050.00 Tax: 21631.00 After Tax: 78419.00

keithrbennett / query_to_hash.rb

Created August 17, 2012 02:23

Solution to query_to_hash problem.

	# This file is an rspec runnable file.
	# (I didn't name it with _spec because its primary purpose is to provide
	# the method, not run the test.)


	# Here's the function that solves the problem, and the require needed to run it.

	require 'uri'

	def query_to_hash(query)

keithrbennett / jruby-include-question.rb

Created August 18, 2012 00:17

Shows a JRuby implementation of a Java interface that surprisingly works with 'include' statement.

	# Shouldn't this fail with the 'include Runnable' disabled?

	require 'java'

	java_import 'java.lang.Runnable'

	class SampleRunnable

	# include Runnable

keithrbennett / jruby-2457.rb

Created August 18, 2012 22:48

Illustrates problem instantiating Ruby subclass of Java class w/different constructor arities.

	require 'java'

	java_import 'java.lang.Runnable'

	class SampleRunnable

	include Runnable

	def initialize(greeting)
	@greeting = greeting

keithrbennett / mail-using-gmail.rb

Created September 3, 2012 00:47

Mail Script from Keith Bennett's Technical Blog

	#!/usr/bin/env ruby
	# Mails a file using GMail's SMTP Server.
	# For illustrative purposes; error checking and testing intentionally omitted for brevity.
	#
	# Requirements:
	# 1) the 'mail' gem must be installed
	# 2) a file named 'pw.txt' containing the Google password must be present
	# in the current directory.
	#
	# Ruby versions: tested on 1.9.3, 1.8.7, JRuby

Keith Bennett keithrbennett