Don't measure elapsed time by subtracting timestamps
The most common way of measuring elapsed time is flawed.
In which order should Kotlin parameters be declared?
There are so many kinds of parameters! Is there an order in which they should be declared?
Arrow: Error handling without flatMap
The Arrow library is quite poorly known. As Kotlin 2.4.0 is around the corner, bringing stable context parameters, it is time to brush a few misconceptions.
Kotlin tricks: Mandatory varargs
Did you know there are a few different ways to make Kotlin varargs mandatory?
Gradle vocabulary: projects, builds, artifacts…
To understand discussions about Gradle, it's necessary to understand how things are named—and that can be quite confusing.
What is the smallest number in Kotlin?
We use floating-point numbers all the time: Float and Double. Both of these types have a few specific cases that you may not know about. Let's review them.
I tried context parameters, Kotlin's new multi-receiver extension functions
Kotlin is getting a new concept that will widen the possibility of extension functions. The feature is still experimental in the latest Kotlin version, which makes it the perfect time to try them out.
Your first Gradle task in 2025
Best practices in Gradle have changed quite a few times over the years, but the online tutorials are rarely updated. Let's review what is recommended as of Gradle 8, in 2025.
Docker misconception: should I use ENTRYPOINT or CMD?
Docker offers two ways to control what is executed when a container starts, ENTRYPOINT and CMD. Often, they are confused and misused.
MongoDB documents are strange
MongoDB stores all its information in its own binary format called BSON. Lately, I've been writing my own implementation of BSON, and so I've been studying its specification. Here are a few things I learned about BSON documents.