Oleksii Lisikh olisikh

olisikh / RomanToInt.java

Created March 27, 2017 19:41

	public class RomanToInt {
	private static final Map<String, Integer> conversionMap = new HashMap<String, Integer>() {
	{
	put("I", 1);
	put("IV", 4);
	put("V", 5);
	put("IX", 9);
	put("X", 10);
	put("XL", 40);
	put("L", 50);

olisikh / MultipartFileSender

Created December 24, 2016 16:58 — forked from davinkevin/MultipartFileSender

Implementing HTTP byte-range requests in Spring 4 and other framework...

	package lan.dk.podcastserver.utils.multipart;

	import lan.dk.podcastserver.utils.MimeTypeUtils;
	import org.apache.commons.lang3.StringUtils;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import javax.servlet.ServletOutputStream;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

olisikh / people_most_communicate.js

Created December 13, 2012 10:20

Mongodb aggregation framework query (pairs of people that tend to communicate a lot)

	use enron;

	db.messages.aggregate([
	{ $unwind: '$headers.To' },
	{ $project: { _id: 0, 'headers.To': 1, 'headers.From': 1 } },
	{ $group: { _id: { to: '$headers.To', from: '$headers.From' }, count: { $sum : 1 } } },
	{ $sort: { count: -1 } },
	{ $limit: 5 }
	]);

olisikh / nginx.conf

Created October 25, 2012 08:39

Nginx with SSL self-signed certificate + Tomcat