Jochem Kuijpers JochemKuijpers

JochemKuijpers / BigInteger_sqrt.java

Last active August 16, 2023 09:25

	BigInteger sqrt(BigInteger n) {
	BigInteger a = BigInteger.ONE;
	BigInteger b = n.shiftRight(5).add(BigInteger.valueOf(8));
	while (b.compareTo(a) >= 0) {
	BigInteger mid = a.add(b).shiftRight(1);
	if (mid.multiply(mid).compareTo(n) > 0) {
	b = mid.subtract(BigInteger.ONE);
	} else {
	a = mid.add(BigInteger.ONE);
	}

JochemKuijpers / demo.html

Created August 11, 2017 13:24

Javascript date timer demo

	<html>
	<head>
	<title>Javascript date timer demo</title>

	<script type="text/javascript">
	var e;

	function init() {
	e = document.getElementById("pre");
	}

JochemKuijpers / Vector.h

Created February 18, 2018 03:38

[CLion] "No matching constructor" but still compiles

	#ifndef SDL_PROJECT_VECTOR_H
	#define SDL_PROJECT_VECTOR_H

	#include <iostream>
	#include <cstdarg>
	#include <sstream>
	#include <cmath>

	template <typename NumType, int N>
	class Vector {

JochemKuijpers / Main.java

Last active October 12, 2018 19:56

Letter Clock generator

	import java.util.*;

	public class Main {
	public static void main(String[] args) {
	int targetRows = 16;
	int width = 16;
	long tries = 0;

	double bestScore = 0;

JochemKuijpers / install_synology_drive_on_fedora.sh

Created January 5, 2019 03:40

Installs Synology Drive on Fedora 29 (from the .deb package). Use at own risk.

	#!/usr/bin/env bash

	if [[ $UID != 0 ]];
	then
	echo "Please run this script with sudo or as root:"
	echo
	echo "sudo $0 $*"
	exit 1 \|\| return 1
	fi

JochemKuijpers / main.c

Last active September 13, 2019 02:37

Frog puzzle decision tree

	#include <stdio.h>
	#include <stdint.h>
	#include <stdlib.h>

	#define MIN(X,Y) (((X) < (Y)) ? (X) : (Y))

	// used for modeling rational numbers exactly as two integers (nom/den)
	typedef struct Ratio {
	uint64_t den;
	uint64_t nom;