amihalik’s gists

amihalik / NormalizedGini.java

Last active August 29, 2015 14:05

NormalizedGini

	import java.util.Arrays;
	import java.util.Comparator;

	public class NormalizedGini {

	private static double gini(double[] a, double[] p, double[] w) {
	int len = a.length;
	if (p.length != len \|\| w.length != len) {
	throw new IllegalArgumentException("array length not equal");
	}

amihalik / index.html

Last active August 29, 2015 14:23

	<html>
	<body>
	<h2>Remove Url Defense</h2>

	<form method="post" action="fixUrls">
	<table width="100%" border="0" cellspacing="0" cellpadding="0">
	<tr>
	<td width="100%">Enter URL Defended Text here: </td>
	</tr>
	<tr>

amihalik / TurtleFileParsingExample.java

Created June 14, 2016 17:21

RYA-86 Example

	import org.apache.commons.io.IOUtils;
	import org.openrdf.rio.ntriples.NTriplesWriter;
	import org.openrdf.rio.turtle.TurtleParser;

	public class TurtleFileParsingExample {

	public static final String TTL = "@prefix images: <http://www.somepublisher.com/img/> . \n"
	+ "@prefix isi: <http://www.isi.edu/ikcap/Wingse/fileOntology.owl#> . \n"
	+ "images:f43240.jpg isi:hasMetadata <http://www.somepublisher.com/ns/m43240> .";

amihalik / SimpleRyaMongoExample.java

Created July 8, 2016 22:52

	import mvm.rya.api.RdfCloudTripleStoreConfiguration;
	import mvm.rya.indexing.accumulo.ConfigUtils;
	import mvm.rya.indexing.accumulo.geo.GeoConstants;
	import mvm.rya.mongodb.MongoDBRdfConfiguration;
	import mvm.rya.sail.config.RyaSailFactory;

	import org.apache.commons.io.IOUtils;
	import org.apache.hadoop.conf.Configuration;
	import org.openrdf.model.vocabulary.RDFS;
	import org.openrdf.query.QueryLanguage;

amihalik / AccumuloTemporalIndexer.java

Last active August 25, 2016 13:11

"Print line Debugging" updates to AccumuloTemporalIndexer, a RyaDirectExample exposing the query planning bug, and the output showing the bad query plan and evidence of a cross product

	package mvm.rya.indexing.accumulo.temporal;

	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at

amihalik / Vangrantfile

Created November 18, 2016 20:40

A simple dev box in vagrant

	Vagrant.configure(2) do \|config\|

	config.vm.box = "ubuntu/trusty64"
	config.vm.box_url = "https://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-amd64-vagrant-disk1.box"

	config.vm.provider "virtualbox" do \|vb\|
	vb.name = "dev-box"
	vb.memory = "4096"
	vb.cpus = 4
	end

amihalik / ParsingExample.java

Created May 31, 2017 16:50

A "Pre Java 8" and Java 8 example of parsing a date/time string

	import java.text.ParseException;
	import java.text.SimpleDateFormat;
	import java.time.LocalDateTime;
	import java.time.format.DateTimeFormatter;
	import java.util.Calendar;
	import java.util.Date;
	import java.util.GregorianCalendar;

	public class ParsingExample {

amihalik / MongoDBRyaBatchWriterIT.java

Created October 5, 2017 18:49

	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0

amihalik / foo.java

Last active April 2, 2018 18:38

Six String example


	public class foo {
	public static void main(String[] args) throws Exception {
	String long_string = "asdfasdf123456";
	String six_string = "123456";
	String five_string = "12345";

	String one_string = "1";
	String empty_string = "";

Aaron Mihalik amihalik