Esko Luontola

Rails Girls can be a very chaotic experience which throws you in the middle of an overwhelming pile of technology. But if you survived it...

How to maintain the balance between adding new features and refactoring existing code? Here are some rules of thumb for choosing when to ref...

Here is a design pattern I've found useful for "mutating" immutable objects in non-functional languages, such as Java, which d...

Two days ago I participated in a online panel discussing Agile, DevOps and Continuous Delivery. The panel consisted of 11 panelists and was ...

People have been complaining about the naming of Java 8's functional interfaces in the java.util.function package . Depending on the...

Do you want to use lambda expressions already today, but you are forced to use Java and a stable JRE in production? Now that's possible ...

Primitive Obsession means using a programming language's generic type instead of an application-specific domain object. Some examples a...