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: …

I’m currently learning C and C++. At the beginning, I wasn’t sure if C++ was merely an extension to C or if they were, despite their shared history, two different languages. A recent issue with the malloc function gave me a deeper insight into this question. As I was working on a C++ project, I wanted to …

I’m currently learning to write GUI applications in C++ with Code::Blocks 20.03 as my IDE. I use wxWidgets 3.0.5 as my GUI library and wxFormBuilder 3.10.1 as my GUI builder. However, I initially encountered an issue for which I wanted to write a blog post. You see, when I built a newly-created wxWidgets project …

The Pavlok is a watch that was designed to give you an electric shock every time you indulge in a bad habit. The idea is that if you associate a bad habit to a punishment, you will be less likely to do it in the future. For more information, you can read my full review of the Pavlok 3 by clicking here. Unfortunately, …

In this short tutorial, I will explain how to view your public keys in Electrum. First, I will tell you how to view your master public key (also known as the extended public key), and then, how to view the public key for a specific address.