Advent of Code – Day 18

I look into the PiBox installation and give my first impressions of the software and features of the PiBox solution.

This simple tutorial will show you how to parse JSON in java using JSON-simple from Google. JSON-simple is a bit old now but very stable and tested by large and small companies. I use this framework every day, so making a tutorial was a no-brainer.

We solve the day 3 challenges for the Advent of Code.

We go through how to run java code in your browser using different projects.

We look into how to create a simple chat using the OpenAI Chatgpt API. We talk about context and how to use it to improve our …

We talk about the Feistal Cipher and implement a simple proof of concept to test the algorithm out. Computerphile video: https://www.youtube.com/watch?v=FGhj3CGxl8I Source code: package org.ea; import java.security.MessageDigest; import java.util.Arrays; public class FeistelAlg { private final static String plainText = "the brown fox jumped over the lazy dog"; public static void doRound(byte[] left, byte[] right) throws…