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Category: Tutorial

Ethernaut Part 2 – Fallout and CoinFlip

November 18, 2018 Carl Leave a comment

Level 2 – Fallout

All you are given is a contract, and a hint about the Remix IDE. I didn’t end up using Remix for this level, but the contract is as follows:

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Posted in: Tech, Tutorial Filed under: dapps, ethereum, ethernaut, remix ide, smart contracts

Ethernaut – Part 1

October 31, 2018 Carl 1 Comment

I recently came across Ethernaut, a game about finding issues with Ethereum smart contracts and breaking them. I do enjoy…

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Posted in: Tech, Tutorial Filed under: dapps, ethereum, ethernaut, smart contracts

Projected DnD

November 23, 2014 Carl 2 Comments

So I wanted to build some interactive play maps for when running DnD games, so that I could hide rooms automatically…

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Posted in: DnD, Tech, Tutorial Filed under: dnd, javascript, projection

Stripe CTF 3.0

January 30, 2014 Carl Leave a comment

Sadly, level 3 would not run for me, even with Stripe’s patch, so I could not continue with the competition.…

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Posted in: Article, Python, ruby, Tutorial Filed under: cryptocoin, node, proxy, python, ruby, scala, stripe

A Fractal Height Map Generator in Ruby

May 28, 2013 Carl Leave a comment

[I’m migrating my old articles to the blog in order to switch to it entirely] Date: 25th March 2010 Introduction…

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Posted in: Article, ruby, Tutorial Filed under: diamond, height map, ruby, square, tutorial

Stripe-CTF 2.0

August 29, 2012 Carl Leave a comment

I managed to finish the Stripe CTF with 18 hours to spare and placed no. 702. I’m pretty happy with…

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Posted in: Article, Tech, Tutorial Filed under: cracking, hacking, stripe-ctf

Android Maps and Routing

August 14, 2012 Carl Leave a comment

Very quick one here. I’ve been trying to mapping, especially routing, working on an android application I’m developing. I will…

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Posted in: Tech, Tutorial Filed under: android, mapping, routing, tutorial

SlimDX and Shaders – Constant Buffers

May 22, 2012 Carl Leave a comment

Setting up Having played with a few GLSL shaders in C++, I thought that moving to a DirectX/HLSL solution sould…

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Posted in: Tech, Tutorial Filed under: c, constantbuffer, deform, directx, hlsl, tutorial

Arduino Gas Meter Sensor – Part 1

December 13, 2011 Carl Leave a comment

Motivation My newly ordered Arduino Uno came in the post today so I got to start building with it! An…

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Posted in: Academia, Article, Tech, Tutorial Filed under: arduino, ldr, light, sensor

JSXGraph

December 8, 2011 Carl Leave a comment

I found this cool graphing JS library which has a wordpress plugin! It’s called JSXGraph and is rather nifty!. Here…

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Posted in: Tech, Tutorial Filed under: javascript, jsxgraph

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