Erik LummeDynamic theming in Vaadin FlowDynamically changing the look and feel of your Vaadin application made easy with CSS custom properties and HTML attributes.4 min read·Jun 15, 2021----
Erik LummeUsing Playwright and Junit to write end-to-end tests for your Vaadin applicationMicrosoft recently released a Java API for Playwright, a cross-browser web-automation library. Here we use it to test a Vaadin application.9 min read·Mar 26, 2021----
Erik LummeRunning Liquibase from Java on a selected Postgres schemaRunning Liquibase from Java is useful to ensure a schema is up to date on startup, or to update a schema as part of an integration test.2 min read·Jun 10, 2020--2--2
Erik LummeinThe StartupHow to Write a Simple Stock Tracker with Vaadin 15 Using Java and TypeScriptVaadin 15 adds the option to enhance your Java application with views written in TypeScript, here we use it for a simple stock tracker.13 min read·May 7, 2020--2--2
Erik LummeSimple Access Control in VaadinSome things are best kept secret. This goes for data, too. In this tutorial, you will learn how to implement a simple access control…5 min read·Jan 30, 2020--1--1