January 19, 2023 – ArnhemJUG: “Ode to the mighty Bit & OAuth2” in Nijmegen

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Organised by: Arnhem Java User Group (ArnhemJUG)
Hosted by: First8 (part of Conclusion)
Location: Novio Tech Campus / 52Degrees, Nijmegen, the Netherlands.

Presentations:

  • Ode to the mighty Bit

    Roy has given talks at software conferences about quantum computing and the amazing properties and possibilities of quantum bits (qubits). However: It is now time to give the regular old binary bit the love that it deserves.During this talk we will dive into bits and booleans, the foundation of modern computing and the building block of your entire career. We’ll look at truth tables, bit masking, bit twiddling, NAND gates, how to store and manipulate data (like floating point numbers) in binary and finally we’ll take a look at the powerful concept of boolean satisfiability & SAT solvers.

    About Roy van Rijn

    Roy van Rijn is director at OpenValue Rotterdam and Java Champion. He worked on numerous projects all over the Netherlands as developer, architect and agile coach. He talks at conferences all around the world, CodeOne (Rockstar), Devoxx BE & UK & PL, GOTO, Joy of Coding, and local JUG events.

  • OAuth2: Step by Step

    OAuth2 and OpenID Connect are quickly becoming mainstays for application developers. Most people think that it is a confusing standard; while in truth it is actually pretty simple. After this session, you will walk out with practical knowledge about OAuth2 and OpenID connect.

    About Arjan Gelderblom

    Arjan is a Security Software Engineer at First8 (part of Conclusion). He specializes in the Security of applications from inception up until decommission.