Webinar: Vaadin Trainings sneak peek

General
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Vaadin Trainings is the best way to learn about Vaadin (https://vaadin.com/training) but what do you actually learn at a training? Join this webinar by trainers Sebastian Nyholm and Thomas Mattsson for a sneak peek into the trainings.

Webinar takes place on Thursday April 28, 2016 @ 2PM CEST

embedyoutube=ZdSyLN1BPvo

See
https://vaadin.com/webinars
 for other past and upcoming webinars.

You can post your questions below, thank you!

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How to implement the file upload process without using a tempory location in the server

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Hi everyone! If you have any questions about our trainings, we’ll be more than happy to help.

Chathura, you can keep the file contents in the memory by uploading to a byte array stream, and just keeping that in memory.