If we’re going to build a Blutooth-enabled application, the first step is understanding the basics of how data is provided to clients. In this post, I’ll explore some basic terminology and concepts. We’ll then look at how the data is structured so that we can interpret it in our application.

I decided that it was time to improve the integration between my treadmill and my watch. First, I upgraded my treadmill with a smart device that provides standardized services using Bluetooth Low Energy. Next, I created an application that integrated everything together. After that, I began this series to make it easier for you to build a Bluetooth-integrated application in Swift.

Ever wondered why some numbers never seem to add up? Or why adding 0.1 and 0.2 doesn’t exactly equal 0.3 in JavaScript? Or why adding two numbers sometimes gives an unexpected value with floats and doubles in C# and Java? It’s time to understand floating point numbers and the magic that makes them operate.

Whether you’re dealing with bad credentials or connectivity issues, there are a few tricks with Git that can make it easier to understand what’s happening. This post will dive into features of Git that you can use for understanding the credential flow and troubleshooting problems.

I like having my SSH commit signing automatically configured. In a previous article, I discussed how you can do this using your dotfiles repository. If you want to add support for reading the SSH keys from 1Password, then there are just a few more things you need to know.