tomwhoiscontrary’s gists

tomwhoiscontrary / blend.cpp

Last active June 11, 2018 16:46

Trying to make a curve by blending futures and swaps - see https://imgur.com/a/viMGk6J

	#include <iostream>
	#include <vector>

	#include <boost/make_shared.hpp>

	#include <ql/indexes/ibor/euribor.hpp>
	#include <ql/math/interpolations/convexmonotoneinterpolation.hpp>
	#include <ql/termstructures/yield/piecewiseyieldcurve.hpp>
	#include <ql/termstructures/yield/ratehelpers.hpp>
	#include <ql/time/daycounters/actual360.hpp>

tomwhoiscontrary / Calculus.java

Created May 16, 2018 17:29

do not do this

	public class Calculus {
	public static void main(String[] args) {
	double δx = 17.0;
	double δy = 23.0;
	double δxノδy = δx / δy;
	System.out.println("δxノδy = " + δxノδy);
	}
	}

tomwhoiscontrary / Nursery.java

Created April 26, 2018 15:20

	import java.util.concurrent.ExecutionException;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.SynchronousQueue;
	import java.util.concurrent.ThreadPoolExecutor;
	import java.util.concurrent.TimeUnit;
	import java.util.concurrent.TimeoutException;
	import java.util.concurrent.atomic.AtomicInteger;
	import java.util.concurrent.atomic.AtomicReference;
	import java.util.function.Consumer;

tomwhoiscontrary / handle.cpp

Created April 26, 2018 12:59

	#include <iostream>

	// modified from https://wandbox.org/permlink/YnHKdrHmMFiJsjOm

	template <typename T, typename Deleter>
	struct handle {
	handle(T value, Deleter deleter = Deleter()) : value_(value), deleter_(deleter) {
	}

	~handle() {

tomwhoiscontrary / widget.cpp

Created March 29, 2018 17:08

Fresh as hell demonstration of perfect forwarding constructor with varargs in C++

	#include <iostream>

	#include <boost/make_shared.hpp>

	class Widget {
	public:
	virtual int getMass() const = 0;
	};

	class SimpleWidget : Widget {

tomwhoiscontrary / Main.java

Last active June 25, 2024 16:37

A simple Java web server with basic logging, tracing, health check, graceful shutdown and zero dependencies

	import com.sun.net.httpserver.Filter;
	import com.sun.net.httpserver.HttpExchange;
	import com.sun.net.httpserver.HttpHandler;
	import com.sun.net.httpserver.HttpServer;

	import java.io.IOException;
	import java.net.HttpURLConnection;
	import java.net.InetSocketAddress;
	import java.util.Arrays;
	import java.util.List;

tomwhoiscontrary / Stamper.java

Last active December 18, 2017 11:20

A fun demo of unexpected (to me) file timestamp behaviour on Linux

	import java.io.IOException;
	import java.nio.MappedByteBuffer;
	import java.nio.channels.FileChannel;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.nio.file.Paths;
	import java.nio.file.StandardOpenOption;
	import java.time.Instant;

	/**

tomwhoiscontrary / Time.java

Created November 6, 2017 13:04

Works out the correspondence between currentTimeMillis and nanoTime

	import java.util.Arrays;

	public class Time {

	public static void main(String[] args) throws InterruptedException {
	int n = 100;
	int[] before = new int[n];
	int[] after = new int[n];

	// warmup

tomwhoiscontrary / Transducers.java

Last active October 29, 2017 21:23

An attempt at translating Clojure transducers into Java to confuse and annoy

	import java.io.IOException;
	import java.util.function.BiFunction;
	import java.util.function.BinaryOperator;
	import java.util.function.Consumer;
	import java.util.function.Function;
	import java.util.function.Predicate;
	import java.util.stream.IntStream;
	import java.util.stream.Stream;

	public class Transducers {

tomwhoiscontrary / MoreMatchers.java

Created October 23, 2017 17:36

	import org.hamcrest.FeatureMatcher;
	import org.hamcrest.Matcher;
	import org.hamcrest.Matchers;

	import java.util.Map;
	import java.util.Set;
	import java.util.SortedMap;
	import java.util.function.Function;
	import java.util.stream.Collectors;
	import java.util.stream.Stream;

Tom Anderson tomwhoiscontrary