Posts

EclipseStore

**Visible change: When the UI shows the memory state With the end of the last day of the Advent calendar, our URL shortener was fully …

4 Dec 2025 7 min

Java

In the previous part, we looked at the implementation on the server side. This part is now about the illustration on the user page. The …

3 Dec 2025 10 min

Design Pattern

With the Vaadin interface described in [Part III], our URL shortener has a fully functional administration console available for the first …

2 Dec 2025 22 min

EclipseStore

December 2025 is all about a project that has grown steadily in recent months: the Java-based URL Shortener, an open-source project …

1 Dec 2025 6 min

Java

Chapter 1 – Introduction 1.1 Motivation: Real-time communication without polling In modern applications, it is often necessary to provide …

5 Sep 2025 18 min

Design Pattern

Reactive streams address a fundamental problem of modern systems: Producers (sensors, services, user events) deliver data at an …

4 Sep 2025 44 min

Uncategorized

1. Introduction 1.1 Motivation: Event-driven updating without polling In classic web applications, the pull principle still dominates: …

3 Sep 2025 24 min

Design Pattern

1. Introduction and motivation The observer pattern is one of the basic design patterns of software development and is traditionally used to …

1 Sep 2025 15 min

Java

Password security is an often underestimated but critical topic in software development. Databases containing millions of user logins are …

29 Aug 2025 15 min

Java

From my experience, Vaadin has always stood out from other Java frameworks. Of course, it enables the creation of modern web UIs, but the …

19 Aug 2025 6 min

Java

1. Introduction and objectives The first two parts of this series established the theoretical and practical foundations of a URL shortener …

15 Aug 2025 19 min

Java

1. Introduction Why REST integration in Vaadin applications should not be an afterthought In modern web applications, communication with …

24 Jun 2025 28 min