David's blog

Gowin FPGA

July 05, 2025 17:09

Recently I bought a Tang Mega 138k, something I was dillying about over for a long time before deciding to do. As a bit of background I previously played around with some stuff with a Gowin FPGA, on the Tang Nano 9k, that I did not talk about, but something I would mention more from now on.

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Yet another New Blog Site

March 11, 2025 04:29

Once again it comes to pass that I create yet another blog site for myself. I did promise myself not to do this but it aged like fine milk. In the meantime I did learn a few new things about myself.

  1. I like making blog sites
  2. Existing blogging frameworks are good but they ...
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Adjacency in a Grid

May 04, 2020 13:07

Many times when I have to deal with grids and adjacency, I always come up with a solution that results in difficult to understand code that makes no sense to anyone who uses it. Here I will try and explain my system to defining adjacency in a square grid and why I use it.

Consider a grid where you...

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Working with mruby

August 17, 2019 22:55

Having worked with Lua before and made a LuaCppInterface, I decided about a year ago to start working on a C++ interface for mounting mruby as a scripting language.

To start, I have been developing in Ruby for several years now and I found it to be q...

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Jepsen and Docker

August 16, 2018 00:06

Recently I have been reading a series of very interesting posts by an Aphyr who tests distributed databases and then publishes their performance under network partition conditions, clock skews, dead nodes and ot...

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