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A collection of 9 posts

November 17, 2020

Paginate results in a command line application using picoCLI

Paginate results in a command line application using picoCLI

In this article, I describe a way to paginate results in picocli applications.

java kotlin jvm picocli cli

July 29, 2020

Building a wine cellar monitoring system - Part 2 : Creating a native Java library

Building a wine cellar monitoring system - Part 2 : Creating a native Java library

In this article, we will to create a native library so that our C driver can be used from Java. We will also create a jar that includes the library. We generate our outputs using Github Actions with the help of cross-compilation and even publish our jars there as packages!

raspberry raspberrypi java compilation development dll

July 10, 2020

Building a wine cellar monitoring system - Part 1 : The hardware and setup

Building a wine cellar monitoring system - Part 1 : The hardware and setup

In this series of posts, we'll see how to build a wine cellar monitoring system sending data to the #cloud with some #iot, #timeseries and #microservices on a #raspberrypi. Is that enough buzzwords yet?

iot java raspberry raspberrypi side-project

April 02, 2020

Jpackage : Overview of one of Java 14's hidden gems

Jpackage : Overview of one of Java 14's hidden gems

Jpackage : Overview of one of Java 14's hidden gems. In this article we will create an installer for Minecraft using jpackage.

java development

December 11, 2019

Introvert? Try speaking at a conference!

Introvert? Try speaking at a conference!

This post reflects on my experience as an (introvert) conference speaker for the first time earlier this year. I got the chance to speak at JFuture in October. I really loved the experience and some of the things I learnt there really surprised me

conference java speaking introvert

December 11, 2019

Introducing Kotlin at ING, a long but rewarding story

Introducing Kotlin at ING, a long but rewarding story

This article describes our journey being the first team to run Kotlin in the backend at ING (Netherlands). Hopefully this article will give you some keys on how to introduce it as well in your own large company, and reduce some of the friction you might encounter.

kotlin jvm java bigcorp

January 29, 2014

Strange bug with long XML files in android.

Strange bug with long XML files in android.

Lately I encountered a strange bug while developing my android application, and I think it is strange enough to share it in this blog post. Brestram is an android application that aims at delivering real time bus schedule for the…

android xml brestram development java

October 30, 2013

Integrate a twitter timeline in your android application.

Integrate a twitter timeline in your android application.

Hey all, This week-end, I worked on integrating a social feature in BresTram. I needed a way to let the users know when the bibus servers have a problem, and also let users send messages to each others if needed.…

android brestram java twitter timeline

October 26, 2013

onLocationChanged is never called on Android

onLocationChanged is never called on Android

I had problems with this while developing #BresTram. I was developing a new feature, allowing my users to find bus stops nearby using their GPS location. But whatever I was trying, my location was never set, and onLocationChanged was never…

android brestram gps development programming java

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About Thoughts, stories and ideas.

My name is Julien Lengrand-Lambert. I'm a full-stack developer and devrel living in the Netherlands. I love creating communities that make people and products shine. Welcome on my blog!

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