A good thing to know for any Java dev working with Excel spreadsheets, let's see how the Apache POI library can help read and write Excel files with little overhead.
This exercise shows how you can use GitHub as a Maven repository — it's not the professional way to do things, but it's fun just to learn how it works!
Canary deployments are a good way to see how a new release will affect end users without the risk. Learn how to carry out a canary deployment in this walkthrough.
