SQLite default timestamps produce a rather unusual output which is not standards-compliant and there are no easy ways to fix that.

Ubuntu 20.04 has arrived on Raspberry Pi 4. Here is a full guide on how to get it up and running.

Thoughts on the history of cache storage approaches and an example of setting up and working with SQLDelight.

Plotting price history, variance of returns, efficient frontier and other financial data in Python using Matplotlib and AlphaVantage API.

Learn the basic concepts of game development and create your own Snake game clone by following this step-by-step guide.

Many apps need to know if user device is offline so they can show "offline" indicators or use local cache instead of an API.

I made a few tests to find out how to boost network transfer speed on Raspberry Pi 4 and is it worth the hassle.

My thoughts on financial debt, technical debt and the things we owe to ourselves.

A full guide on how to get, customize and install the latest Raspbian distro on a Rappberry Pi 4.

How to test SD cards and flash drives in order to make sure they deliver on their promises.