Revisiting Donald Knuth’s Algorithm X and Dancing Links to solve Sudoku puzzles

Several months back, I wrote a post about writing code to solve Sudoku puzzles. The point of the article was to illustrate that (in most if not all cases) if you don’t understand a problem, you’re going to struggle to find an appropriate solution. Although I did end up with a partially working app that …

Can you develop code to effectively solve a problem without understanding the problem first? (writing code to solve Sudoku puzzles)

You shouldn’t have to think too hard to answer this question. In order of most likely answer first, least likely last (I hope), your answer could be one of: a) No. How can you solve a problem if you don’t understand what it is that you’re trying to solve? b) Possibly, if your approach to …

React app using create-react-app: webpack and CSS opacity 1% issue

This seems like such an obscure and weirdly random issue, but I’ve come across this issue 3 times now in the past few years. I’m working on my React frontend app for Sudoku puzzles (which is related to many other past personal projects, which I’ve posted about here). I have a nested set of grids …

Redux devtools stopped working: upgrading dexuv-devtools-extension

The Redux Devtools Chrome plugin stopped working for me, possibly after a Chrome update. I removed and re-installed the plugin and it still wasn’t working. It was opening up ok but not picking up any of my Redux actions or state changes. Checking the docs, it seems there’s been a name change with how you …