benhardy’s gists

benhardy / spring-di-java-conf-hadoop.java

Created May 17, 2012 22:31

Perform Spring based DI in Hadoop 0.18.x api without XML, and using supplied JobConf.

	/**
	* say you'd like to have a Hadoop Mapper inject its dependencies via a constructor
	* instead of that super annoying post-construction configure call. e.g.
	*
	* Obviously Hadoop won't be able to instantiate this by itself, but we'll
	* help it out below.
	*
	*/
	public class TestMapper implements Mapper<IntWritable, Text, IntWritable, Text> {
	private final NumberService numbers; // immutable goodness

benhardy / vagrant-bombing-out.txt

Created October 23, 2012 16:23

vagrant bombing out. hm.

	ben@mac:~/scala/lascale> vagrant box add lascale https://dl.dropbox.com/u/4080054/la-scale.box
	[vagrant] Downloading with Vagrant::Downloaders::HTTP...
	[vagrant] Downloading box: https://dl.dropbox.com/u/4080054/la-scale.box
	[vagrant] Extracting box...
	[vagrant] Cleaning up downloaded box...
	/Applications/Vagrant/embedded/gems/gems/archive-tar-minitar-0.5.2/lib/archive/tar/minitar.rb:493:in `read': undefined method `size' for nil:NilClass (NoMethodError)
	from /Applications/Vagrant/embedded/gems/gems/archive-tar-minitar-0.5.2/lib/archive/tar/minitar.rb:740:in `block (2 levels) in extract_entry'
	from /Applications/Vagrant/embedded/gems/gems/archive-tar-minitar-0.5.2/lib/archive/tar/minitar.rb:739:in `loop'
	from /Applications/Vagrant/embedded/gems/gems/archive-tar-minitar-0.5.2/lib/archive/tar/minitar.rb:739:in `block in extract_entry'
	from /Applications/Vagrant/embedded/gems/gems/archive-tar-minitar-0.5.2/lib/archive/tar/minitar.rb:738:in `open'

benhardy / Person.scala

Created November 17, 2012 17:07

Person model

	/**
	* an example model
	*/
	case class Person(@BeanProperty id: Int,
	@BeanProperty name: String,
	@BeanProperty phone: String,
	@BeanProperty dob: DateMidnight) {

	}

benhardy / demo-fragment.html

Created November 18, 2012 02:18

fragment of demo.jsp

	<html>
	<body>
	<p>
	Person:
	<p>
	ID: ${person.id} <br>
	Name: ${person.name} <br>
	DOB: ${person.dob} <br>
	Phone: ${person.phone} <br>
	<p>

benhardy / PersonController.scala

Created November 18, 2012 02:25

the Person controller

	package skellybones.web.controller

	import org.springframework.stereotype.Controller
	import org.springframework.web.bind.annotation._
	import org.springframework.web.servlet.ModelAndView
	import org.springframework.beans.factory.annotation.Autowired
	import skellybones.service.PersonService
	import skellybones.web.ResourceNotFoundException
	import skellybones.bo.Person

benhardy / WebConfig.scala

Created November 18, 2012 03:22

Spring/Scala web config


	@Configuration("springConf")
	@EnableWebMvc
	@ComponentScan(Array("skellybones"))
	@PropertySource(Array("classpath:/app.properties", "${runtime.properties.file}"))
	class WebConfig {
	@Autowired
	var environment: Environment = null

	/**

benhardy / WebAppInit.scala

Created November 18, 2012 03:38

webapp config

	/**
	* Our instance of WebApplicationInitializer. This replaces web.xml for the initial
	* configuration of the servlet.
	*/
	class WebAppInit extends WebApplicationInitializer {

	override def onStartup(servletContext: ServletContext) {

	// Create the 'root' Spring application context
	val root = new AnnotationConfigWebApplicationContext()

benhardy / broc.pov

Last active December 16, 2015 11:18

Generate a broccoli using POV-Ray's macros, which can be recursive.

	// Generate a broccoli like structure
	#include "colors.inc"
	#include "textures.inc"

	light_source {
	<-100, 400,-200>
	color <0.8,0.8,0.8>
	area_light <50,0,0>, <0,0,50>, 5, 5
	adaptive 1
	jitter

benhardy / spheres.scala

Last active December 29, 2015 22:29

little functional raytracer. it may be longer that the "35 lines of javascript" one but is actually readable. (albeit in need of cleanup, optimizing, etc)

	/**
	* See bottom for file for example spheres scene
	*/
	import java.awt.Color
	import java.awt.image.BufferedImage
	import java.io.File
	import javax.imageio.ImageIO
	import math.sqrt
	import math.min
	import math.max

benhardy / java-8-stream-processing-example.java

Last active August 29, 2015 13:57

	public List<String> randomDictionaryWords() throws IOException {
	try (InputStream is = new FileInputStream(new File("/usr/share/dict/words"))) {
	BufferedReader br = new BufferedReader(new InputStreamReader(is));

	return br.lines()
	.filter(line -> line.length() >= MIN_WORD_LENGTH && line.length() <= MAX_WORD_LENGTH)
	.filter(word -> word.equals(word.toLowerCase()))
	.filter(word -> random() < DICTIONARY_SAMPLING_RATE)
	.limit(50)
	.collect(Collectors.toList());

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