J-Fall 201954 Videos

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J-Fall 2019: Jan-Hendrik Kuperus – Master Your Tools

Tired of agile workshops? Looking for some productivity tips that benefit *you*? It’s time to get selfish and learn how to do the same work you always do, but spend less time doing it. In a time where tools are plenty and new ones pop up constantly, I believe most of us don’t look beyond […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Peter Rutgers & Cees van Wijk – Real world smart contracts on Corda

Corda Distributed Ledger Technology (DLT) is heavily inspired by blockchain technology and provides similar advantages (decentralization, immutability and single source of truth). Corda is used a lot within ING and by many others that are active in the blockchain and Distributed Ledger Tech community. With more and more blockchain (and distributed ledger tech) applications being […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Maarten Smeets – Performance of Microservices on Different JVMs

A lot is happening in the world of JVMs. Oracle changed its support policy roadmap for the Oracle JDK. GraalVM has been open sourced by Oracle. AdoptOpenJDK provides binaries and is supported by (among others) Azul Systems, IBM and Microsoft. Large software vendors provide their own supported OpenJDK distributions such as Amazon (Coretto), RedHat and […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Bart Kerkvliet – Web development? Write yourself a browser extension!

Web development on a whole ‘nother level. Writing a browser extension might seem scary and daunting, but I assure you it is not. Always had a great idea, but didn’t know how to get started? Then this talk is for you! During this talk I will take you through the basics of browser extension development. […]

Martijn Broeders

January 31, 2020

J-Fall 2019: NLJUG Update

Martijn Broeders

January 31, 2020

J-Fall 2019: Hinse ter Schuur – Mikado and the Art of Refactoring

Do you know this feeling? Still struggling with a big refactoring… you promised your team that it would be finished within a day. But that was two days ago. You cannot just revert, because you already invested a lot of time. You have to go forward. But… the project is not compiling at all. If […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Dieter Hubau – A wild CVE appears! Rebuild all the containers!

Who doesn’t love a good Dockerfile? They are powerful and offer an easy, developer-friendly solution to packaging your applications in a standardized format. Yet they can require a lot of knowledge to construct properly and securely. Securing and maintaining these images can be hard to enforce at scale in the enterprise. Ask yourself: how long […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Michel Schudel – Cryptography 101 for Java developers

So you’re logging in to your favorite crypto currency exchange over https using a username and password, executing some transactions, and you’re not at all surprised that, security wise, everything’s hunky dory… The amount of cryptography to make all this happen is staggering. In order to appreciate and understand what goes on under the hood, […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Talip Ozkeles – 10 Tips to decrease your velocity

In this session we will discuss 10 tips to decrease your velocity. Yes you read it well. 10 Tips to decrease your velocity. This session is not intended for people who already know how to decrease their velocity. It is intended for people who know how to increase their velocity, so that they can learn […]

Martijn Broeders

January 31, 2020

J-Fall 2019: Anders Norås – Community Keynote: A Brief History of Computer Music

Computer programmed music has come a long way since the CSIR Mark 1 played a scratchy Colonel Bogie back in the early 1950s. In this talk we’ll go on a journey through the history of music made with code. We’ll meet the pioneers who invented computer music, visit classic video game soundtracks, learn how computer […]

Martijn Broeders

January 31, 2020