Messages from mrhaki

Testing classes that work with date calculations based on the current date and time (now) can be difficult. First of all we must make sure our class under test accepts a java.time.Clock instance. This allows us to provide a specific Clock instance in...

The Clojure namespace clojure.java.io contains useful functions to work with files. One of those functions is make-parents. We can pass a java.io.File instance as arguments or use the same arguments that can be passed to the file function that is also...

When we convert our PlantUML diagrams we get a default look-and-feel for our diagrams that is mostly red and yellow based. We can alter the style and color of individual elements using the skinparam command. But we can also apply so-called themes to...

Simply hold the fn key while pressing the backspace key to turn the backspace into a Del key. Depending on the position of the cursor in a piece of text we can simply choose to either use backspace or Del.