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J-Fall 2016 Speaker Arnout Engelen – Trace Deeper: Stack Unwinding
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38:58

J-Fall 2016 Speaker Arnout Engelen – Trace Deeper: Stack Unwinding

The JVM provides amazing tools to find out what’s going on inside it, allowing you to profile and trace your application, set breakpoint and debug. In the end the JVM itself is also just another program running on your machine. As such you can inspect it with low-level tools such as the GNU Project Debugger. […]
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108
J-Fall 2017 Effi Bennekers & Eggie van Buiten – Three resilience patterns with Twitter’s Finagle
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J-Fall 2017 Effi Bennekers & Eggie van Buiten – Three resilience patterns with Twitter’s Finagle

On average we, as a modern digital human being, look at our smart phones more than 200 times a day. Apart from network connection issues in the few remote urban areas that still exist, we expect servers to deliver the data demanded by our apps on every moment we look. And we are not the […]
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J-Fall 2015 Speaker Gerke Kok – Identity and Access Management in the 21st century
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J-Fall 2015 Speaker Gerke Kok – Identity and Access Management in the 21st century

Java EE applicaties zijn vaak afgeschermd. Iedereen heeft wel eens te maken gehad met identificatie van gebruikers. Het is heel verleidelijk om een simpel tabelletje te maken met username en wachtwoord. Maar dan begint het werk pas. Is het wel veilig? En wat als men het wachtwoord vergeten is? Kunnen we niet met Facebook inloggen? […]
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J-Fall 2015 Speaker Rob Brinkman – Turning a ‘82 Westy into a Tesla
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J-Fall 2015 Speaker Rob Brinkman – Turning a ‘82 Westy into a Tesla

Clearly, it’s totally impossible to match the elegance and technology of a Tesla in an almost 25 year old Volkswagen van. Though it would be pretty neat to turn my ‘82 Westy into a more connected car by adding sensors that communicate oil pressure, oil temperature, water level etc. over Wifi using ESP8266 chips to […]
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J-Spring 2018: Martijn Verburg – The Diabolical Developer’s Guide to Performance Tuning
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J-Spring 2018: Martijn Verburg – The Diabolical Developer’s Guide to Performance Tuning

The Diabolical Developer shows you the steps to take when you get that call at 0300 saying that your Java / JVM application is too slow. He introduces the Performance Diagnostic Methodology (PDM) which focuses on how to quickly hone into the root cause of a bottleneck and what steps you can take to fix […]
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J-Fall 2018: Venkat Subramaniam – Java Functional Programming Idioms
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J-Fall 2018: Venkat Subramaniam – Java Functional Programming Idioms

A number of developers and organizations are beginning to make use of Functional Programming in Java. With anything that’s new, we often learn it the hard way. By stepping back and taking a look at programming style as idioms, we can quickly gravitate towards better coding style and also avoid some common traps that we […]
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J-Fall 2018: Opening movie
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J-Fall 2018: Opening movie

J-Fall 2018 heeft ruim 1.500 Java professionals mogen ontvangen voor de beste sessies en workshops over Java in de bioscoopzalen van Pathé Ede. De dag startte met de early bird sessies, maar de echte opening begon met deze film. Alle lof voor de maker van deze film: Michiel van MediaTaal ( http://www.mediataal.com/ ) Met trots presenteren we jullie […]
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J-Fall Virtual 2020: Vadym Markelov – Mutation testing in practice
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J-Fall Virtual 2020: Vadym Markelov – Mutation testing in practice

This session showcases advanced metrics of dynamic testing and how they can be used to detect hidden defects in the software applications. We will apply the white-box approach to focus on the internal structures of an application and to exercise paths through the code. There are two actors during the software test: the application and […]
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