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 clone by following this step-by-step tutorial.

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.

Debt is a fascinating concept and it has a huge impact on our lives whether we like it or not.

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.

Reverse HTTP proxy is a single point of entrance to all the HTTP traffic which makes it a good place to perform some additional tasks and checks and one of them is limiting access to certain services. Some services might not have their own access control systems and some services might benefit from an additional level of protection.

I'm not a server guy, but I had to deploy a few websites and web services recently, and it has been an interesting journey so far. I have to ask myself many questions, such as how do I know that my servers are secure? That's an important question but security is such a vague term that it makes it hard to grasp and answer this question confidently.

The world is going cashless, and I don't think that anything can reverse this trend. I'm not even going to list all the benefits of going cashless because they are obvious. Instead, I'm going to cover the dark side of a cashless world.