This article may contain affiliate links. In other words, I may get a commission if you make a purchase through my links, at no cost to you. A few months ago, my friend was on the lookout for a real-time tracker that they could use to monitor valuables if they were ever robbed. As such, it needed to be small and …

As a Windows programmer used to code in Delphi, I must admit I wasn’t ready for how strings are handled in C, the language I’m currently learning. To say the least, it was a shock, and I stumbled upon many issues. Among other things, I couldn’t understand how to use characters outside of the English …

Multibit Classic was a popular wallet in the 2010s, but it was abandoned in 2017 and it is now recommended that you transfer your Bitcoins to a modern wallet like Electrum. If you are in such a situation, you will need to export your private keys in your old Multibit Classic wallet and import them in your new Electrum …

In this short tutorial, I will explain how to import your private keys in Electrum. This tutorial might be especially useful to you if you tried to import your private keys in the past, but couldn’t get Electrum to detect your Bitcoins.

In my C application, I wanted to convert a byte (stored as an unsigned char) into a hexadecimal string. To do so, I wrote the following code: 1char hex[2]; 2unsigned char byte = 10; 3sprintf(hex, "%02X", byte); However, the code produced unreliable results. Moreover, the compiler threw the following warning: …