Java / NLJUG

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J-Fall 2019: Oleh Dokuka – Multiplayer Pac-Man with RSocket

One of the challenging aspects of building modern games is making the multiplayer one. Can we use HTTP there? We can, but we will not get a real-time game. Can we use WebSockets / TCP? Of course, we can and we should! However, developing API on top of WebSocket is another challenge that no one […]

Martijn Broeders

January 31, 2020

131

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J-Fall 2019: Pascal Snippen – From a traditional application to a cost efficient cloud architecture

De cloud is hot en veel organisaties zijn hier ook mee bezig. Maar wat betekent het als je een applicatie landschap gaat migreren naar de cloud. Het aantal services wat AWS en Azure biedt is talloos en voor een framework bieden ze verschillende oplossingen er zal dus een keuze in gemaakt moeten worden van welke […]

Martijn Broeders

January 31, 2020

39

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J-Fall 2019: Paulien van Alst & Brian Vermeer – My Kotlin is better than your Java!

TLDR: The big discussion: Kotlin or Java, to migrate or not to migrate and why… The world of languages on the JVM has seen alternatives to Java come and go. Kotlin is probably the most popular one at this moment. Although Java is still one of the most commonly used programming languages, Kotlin seems to […]

Martijn Broeders

January 31, 2020

35

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J-Fall 2019: Paulo Lopes – Fight climate change with code

Climate change is the most severe threat facing our planet today. Every single line of code we write impacts the amount of carbon we release to the atmosphere every day. Instead of being part of the problem, we have the responsibility to be a part of the solution. In this quickie, you will learn how […]

Martijn Broeders

January 31, 2020

41

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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

82

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J-Fall 2019: Philipp Krenn – Centralized Logging Patterns

Most organizations feel the need to centralize their logs — once you have more than a couple of servers or containers, SSH and tail will not serve you well any more. However, the common question or struggle is how to achieve that. This talk presents multiple approaches and patterns with their advantages and disadvantages, so […]

Martijn Broeders

January 31, 2020

61

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J-Fall 2019: Ramon Wieleman, Vasco Veloso & Suyash Patil – The Java Pub Quiz

Oh yes, the one-and-only Java Pub Quiz is coming to J-Fall! Test your knowledge about the programming language we all love: Java! With fun and interesting questions presented in a fast-paced pub quiz style which cover a wide range of Java related subjects. Bring a friend or just join up. We’ve got beer for everyone […]

Martijn Broeders

January 31, 2020

170

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J-Fall 2019: Ray Tsang – Developing With Kubernetes

Ray has been on a 6-months rotation with an internal Google team to help bringing a project to public Cloud using cloud-native technology stack and Kubernetes. Ray will share the architecture, development environment technicals, devops tools, and some tough decisions that needed to be made to move the project along while being prepared for changes […]

Martijn Broeders

January 31, 2020

36

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J-Fall 2019: Ray Tsang & Robert Scholte – Surviving Dependency Hell

Dependency conflicts come in many different forms and have different impacts on your applications. This presentation examines common causes of a dependency conflict, how you can mitigate it as a library developer, and how end users can resolve it. Join this session to see common issues Ray has observed from working with customers, and Robert’s […]

Martijn Broeders

January 31, 2020

131

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J-Fall 2019: Roel Spilker & Reinier Zwitserloot – The mistakes we made in a open source project

Full title: J-Fall 2019: Roel Spilker & Reinier Zwitserloot – The 7 biggest mistakes we made in 10 years of running a major open source project Roel and Reinier of Project Lombok (the Java boilerplate busting tool) explain their top 7 mistakes made over the past 10 years of creating and maintaining an open source […]

Martijn Broeders

January 31, 2020

114