Subscribe: Aswin F. van Woudenberg
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Aswin van Woudenberg

Last Build Date: Mon, 29 Jan 2018 22:21:30 +0000


Skyline puzzle

Sun, 04 Oct 2015 09:23:52 +0000

One of my colleagues brought the following puzzle to work: The puzzle is called Skyline and it’s a packing puzzle. The objective is to place the metal rod in one of the holes in the base and place the nine wooden pieces around it. It was designed by Jean Claude Constantin. When solved, the puzzle looks something … Continue reading Skyline puzzle

MLP in C++11

Thu, 25 Dec 2014 10:25:09 +0000

In this post I present my Christmas gift to the world: A multilayer perceptron written in C++11. I mainly wrote this to get some practice with some of the new C++11 features such as variadic templates and lambda functions. It uses template metaprogramming to construct (but not train) the neural network at compile time. You … Continue reading MLP in C++11

Statisticians are evil

Fri, 17 Oct 2014 14:21:09 +0000

I’ve made it my life’s goal to replace all statisticians with cute little robot bunnies. Watch the following video for a demo of my first prototype. I developed a server in Prolog for the Nabaztag:tag bunny and hooked it up with a dialogue system I created during my masters. It uses an unofficial Google API for speech recognition and … Continue reading Statisticians are evil

VBA IBAN Validator

Thu, 18 Jul 2013 07:15:52 +0000

From February 2014 onwards, IBAN will be the new European standard for bank account numbers. This standardization is part of the SEPA initiative to improve the efficiency of cross-border euro payments. I wrote an IBAN validator in VBA for an MS Access database I’m maintaining, but you can also use it in Excel or any other application … Continue reading VBA IBAN Validator

Command line Russian roulette

Thu, 28 Feb 2013 08:53:05 +0000


Keith Bostic on Perl

Wed, 30 Jan 2013 12:34:21 +0000

Perl: The only language that looks the same before and after RSA encryption. — Keith Bostic

Mon, 31 Dec 2012 17:28:03 +0000


Sinterklaas kapoentje

Fri, 30 Nov 2012 11:30:00 +0000

Het is weer bijna Sinterklaasavond, dus tijd voor cadeaus, surprises en gedichten! Een originele manier om je gedicht te presenteren is door middel van een Word document waarbij het gedicht woord voor woord verschijnt zodra je het document opent. Dit is vrij simpel te bewerkstelligen. Je schrijft eerst de tekst van het gedicht in een nieuw … Continue reading Sinterklaas kapoentje

Delicious and healthy dessert

Fri, 31 Aug 2012 09:06:56 +0000

Ingredients 1 watermelon 10 kiwis 2 mangoes Preparation Chop the kiwis and mangoes into bite-size pieces. Get creative with the watermelon. Done 🙂 PS. If you don’t like the healthy aspect of this dessert you can add whipped cream. Enjoy!

Self-organizing bookcase

Mon, 25 Jun 2012 13:20:28 +0000

This is what my bookcase looked like before: And this is what it looks like now: Much better! So how does a geek organize his books? He uses a technique called self-organizing maps (SOM). I basically took a high resolution photo of my bookcase (the first picture shown) and then cut out all the book … Continue reading Self-organizing bookcase