The PDF format has established a strong position as a format used for printing and archiving formal documents. This is why pretty much all software developers have at some point faced a requirement to create PDF files like receipts or reports. Developers in the JVM ecosystem have a huge set of ...

Learning online, whenever you want Are you more a person who likes to take lectures instead of learning things by yourself with a book? Vaadin Ltd offers popular interactive online courses every now and then, but there is also a series of pre-recorded video lessons about Vaadin. The video lessons ...

Update, Oct 22nd 2015: Vaadin Components is now called Vaadin Elements, and v-grid is now vaadin-grid. See vaadin.com/elements product page for more information. --- I'm happy to announce Vaadin Components, and the v-grid Web Component in particular. If you haven’t heard about this new product yet, ...

I hope you enjoyed our webinar about the Vaadin Spreadsheet. You can find all the source code and examples we showed during the session here. You'll find the two following projects: SpreadsheetDemo is the first example holding an empty spreadsheet - a minimalistic project sample. ...

A common question we get after our webinars or other live coding exercises is, how we make our live coding look so fluent. Why don’t you need to redeploy your war file to show the changes? It is no stunt or a specially crafted marketing JVM – we're doing the real stuff. The “secret” is JRebel. ...

Lots of people have been asking for a dedicated Vaadin Dev Day with hands-on trainings on how to use Vaadin with MVP, Java EE, Spring as well as how to use the theme engine Valo, how to test Vaadin apps, how to extend Vaadin, how to create declarative UIs with the Designer and how to optimize ...

We sat down with one of our Vaadin guys here at the office to learn more about his daily work and enterprise app development. Peter Lehto is, among others, famous for his contributions to Java EE and Spring from Webinars, conference speeches and contributions. Peter, thanks for sitting down with ...

Sooner or later, every software project has to consider performance to meet the customer’s expectations and to stay marketable. Therefore, a good monitoring tool is inevitable. Commercial solutions are expensive and existing open source projects are often not well suited for web applications or ...

I just love it when smart people without previous experience learn to use Vaadin and write a blog entry about their experiences. Typically “externals” with a fresh honest mind can summarize the good parts of various tools better than those who stare at the details from a close distance. Just ...