J-Fall 2018

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J-Fall 2018: Oleg Šelajev – Developer’s Introduction to GraalVM

GraalVM is an integrated, polyglot, high-performance execution environment for dynamic, static, and native languages. It supports Java, Scala, Kotlin, Groovy, other JVM languages, and can run the dynamic scripting languages JavaScript including node.js, Ruby, Python, and so on. In this practical session, we’ll learn how to begin using Graal on a typical Java and JavaScript […]

msmelt

February 7, 2019

42

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J-Fall 2018: Berwout de Vries Robles – Impromptu Orchestra

In recent years there have been some large developments in web technology. The introduction of HTTP/2 in 2015 has given new life to Server Sent Events as Reactive Streams. To explore these technologies with you, I have made an application that turns the audience into an orchestra using Reactive Streams. In the talk we will […]

msmelt

February 7, 2019

58

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J-Fall 2018: Paco van Beckhoven – Keeping your head cool with serverless voice controlled fan

Do you also wake up sweating during those hot summer nights, but you are too lazy to get out of bed to turn a fan on? Using serverless with Firebase Cloud Functions, Google Assistant, a Raspberry Pi and a bit of wiring I turned my old fan in a state of the art fan with […]

msmelt

February 7, 2019

42

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J-Fall 2018: Vincent Oostindië – Keynote: Cloud Foundry at Rabobank after 10 months of real use

Since January 1st this year Rabobank has put Pivotal Cloud Foundry in place as the to-be replacement of Rabobank’s Online Platform. Additionally, it’s positioned as “the” microservices platform within Rabobank as a whole. In the public cloud, by the way. Why did we select Cloud Foundry? What does this mean for developers? How are we […]

msmelt

January 24, 2019

124

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J-Fal 2018: Nicolai Parlog – Fun with var in Java 11

Since Java 10 you can use var to let the compiler infer a local variables type And thats pretty much it, right? Surprisingly, no! There are a lot of details to consider… is this JavaScript?! how exactly is the type inferred? where can I use var and what should I look out for? wont this […]

msmelt

February 7, 2019

68

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J-Fall 2018: Roderick Simons & Pepijn de Jong – Real world microservices: Starting-up from scratch!

In 2016, Yolt started on a journey to build a money management platform driven by PSD2 and Open Banking. Flash forward almost three years, and Yolt has grown to 500.000 users in the UK and has recently launched in Italy and France. In this talk we’ll share how Yolt evolved from a few Spring Boot […]

msmelt

February 7, 2019

65

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J-Fall 2018: Jettro Coenradie & Byron Voorbach – Learning to rank search results (Combine Machine Learning with Search)

With advanced tools available for search like Solr and Elasticsearch, companies are embedding search in almost all their products and websites. WIth more experienced users but also with smaller screens to show search results, returned the right results to a query becomes more demanding. Search engines provide lots of ways to influence the order of […]

msmelt

February 7, 2019

53

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J-Fall 2018: Cédric van Beijsterveldt & Chiel van de Steeg – Neural networks: insane in the membrane

Neural networks are one of the most dominant forms of AI algorithms being used today. They seem to be the right solution to a myriad of problems and are often considered to provide objective answers to a variety of complex questions, but why? A neural network can be tuned to cope with a wide range […]

msmelt

February 7, 2019

41

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J-Fall 2018 Opening by Bert Jan Schrijver

Bert Jan is a software craftsman at JPoint in the Netherlands and CTO at OpenValue. His focus is on Java, Continuous Delivery and DevOps. Bert Jan is a Java Champion, JavaOne Rock Star speaker and user group leader for NLJUG, the Dutch Java User Group. He loves to share his experience by speaking at conferences, […]

msmelt

January 24, 2019

32

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J-Fall 2018: Jan Ouwens – Don’t hack the JVM? ☠️💣💥

Don’t go to this talk! Your coworkers will not be happy when you come back to work tomorrow and start applying the things you’ll learn here. You’ll do a lot of damage. Mutating immutable objects is never a good idea. You shouldn’t be bypassing the constructor when you instantiate an object. You certainly don’t need […]

msmelt

February 7, 2019

95