Mini cours photo

[French only] J’ai retrouvé le support de cours que j’ai créé et utilisé pour faire un petit training à des copains et collègues il y a quelques années. A l’époque, nous nous étions lancés dans une série “workshop du midi” où chacun apportait ses connaissances.Ensuite, nous avons aussi fait du plus lourd, sur plusieurs séances […]

Quel laptop acheter pour la rentrée ?

Ce post s’adresse aux étudiants des établissements où j’enseigne, je ne prétends pas pouvoir conseiller les étudiants de toutes les formations disponibles. Pour la rentrée, on souhaite être prêt et avoir une machine toute neuve. C’est naturel. Tout d’abord, n’oubliez pas de penser au marché de l’occasion. Cela peut être du recyclé suite à un […]

Wake up sounds

Do you know that using a song for waking up makes it sound despicable thereafter.Even Bohemian Rhapsody. Could you believe that ? Unless you love to get up So, HERE IS a trio of files that you can use as ringtones. They are not as repetitive as default ringtones can be. The multiple signals will […]

CPC Memories

If we have met, you saw I am an older geek. I’m from the Amstrad CPC Generation, I was blessed with a 6128 as my dad thought it was wasted time to watch a game load on 464 (from K7 tape). While looking for vids of the Technimusique speech synthetizer to evaluate the gap with […]

Some Bash magic, graph, csv

Unix shells are powerful. Scripts are useful. I am working on a project for which I want to know if the master data is already present in my graph as I’ll process CSV files. So, the idea is to get all the distinct unique values from a given column in all the csv file and […]

Neo4j Favorites

You certainly already know that you can add a Cypher statement as a favorite by hitting the star button next to the input box A very useful trick is to start it with a comment, so that the comment appears as the title of the favorite in the favorites tab. // Isolated nodes – count […]

Linux Mint 20 / dual monitors / redshift

I previously was a user of f.lux On my new install of mint20, Redshift is already installed. Was annoyed that it only managed one monitor after I plugged a second. Some searching took me to http://jonls.dk/redshift/ and I tried my luck with creating the configuration file. Made two updates: commented screen=1 at the end updated […]

APOC to the rescue #2

In this short post, another APOC feature worth its weight. The function apoc.any.property takes two parameters, first being the object (node, relation) the second being the name of a property of that object. It returns the value of any property of an object.   <– genius 🙂 That is super useful when you want to use […]

APOC to the rescue #1

Picture yourself, querying on a text property, looking for duplicates and BOOM you see they not only have the same text but also the same Identifier !!! Your brain screams “OMG I have nodes with the same identifier ! How can that be !” Your start to wonder if all the confidence you put on […]


You may know me as a Packt author. This is true. I have a title published at Packt Learning Neo4J 3.x Second Edition I am also a long time collaborator of Manning, as a technical reviewer on 5 to 10 books (or more). Just like everybody, I’d love a big passive income. So I accepted […]