DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
Posts by Author
Adrian James
From Ops to DevOps - Worldline DevOps Transformation
06/05/2019
The Cloud Services team within Production Services in the UK have moved to a DevOps mode of working with the business units.
Alexandre Touret
K8S, Helm & Co: Beyond the Hype
21/01/2021
Feedback on cloud and Kubernetes adoption
Hack your documentation!
24/09/2020
Documentation As Code: an other way to deal with project documentation
Architecture Katas for dummies
, 12/12/2019
How to improve your architecture and design skills? By practicing!
A short introduction of Apache Beam
11/07/2019
A short introduction and a feedback illustrated by a simple use case
DEVOXX France 2019
, , 23/05/2019
Retour sur l’édition 2019 de DEVOXX FRANCE.
Open Source Business Models
23/01/2019
This article is a part of a series about Open Source. In this one, we will cover the main open source business models
An Open Source history
, 29/10/2018
In this first Article of Open Source series, we will cover this history from the beginning up to the mass market deployment
Angélique Henry
Performance testing from zero to hero
11/03/2019
Advices and methodology to read before launching your first performance test.
Les tests de performance de zéro à héro
28/11/2018
Exemple de méthodologie et conseils à lire pour préparer des tests de performance.
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
Back from Confoo Montreal 2017 conference
19/06/2017
I love attending conferences, but this is the first time that I’m going over the Atlantic to attend one of them, the Confoo Montreal 2017 conference. Here is...
Anne Pouillard
New Web payment standards
, , 25/07/2018
An introduction to the new W3C web payment standards : Payment Request API, Payment handler API and Webauthentication API
Antoine Fressancourt
Kumori: an overlay to reinforce inter-datacenter connections resiliency
19/06/2019
Kumori is an overlay network architecture aiming at reinforcing the resiliency of inter-datacenter connections by providing a means to redirect traffic quick...
On the (in)security of Internet routing
17/01/2018
In the Internet, routing is done using a protocol called BGP, a protocol that is prone to attacks. Let’s see how such attacks occur.
Antoine Neveux
Discovering our Experts - Interview of Jurjen Bos
, 22/04/2021
Short interview of Jurjen Bos, expert in cryptography at Worldline.
Discovering our Experts - Interview of Mickael Bouyaud
, 10/02/2021
Short interview of Mickael Bouyaud, former Ingenico, Expert in System Architecture at Worldline.
UX integration in Agile teams (TeX Show Replay)
, , 12/11/2020
Replay of a video conference from the TeX Show event discussing about UX and how it’s done in agile teams.
All Things Quantum (TeX Show Replay)
, 05/11/2020
Replay of a video conference from the TeX Show event discussing about Quantum computing and cryptography.
Blockchain: things to keep in mind for success (TeX Show Replay)
, 29/10/2020
Replay of a video conference from the TeX Show event discussing about Blockchain and good practices.
Boost your APIs with GraphQL (TeX Show Replay)
, 22/10/2020
Replay of a video conference from the TeX Show event discussing about GraphQL and API design.
How do you know if you are delivering what your customer wants? (TeX Show Replay)
, 15/10/2020
Replay of a video conference from the TeX Show event discussing about techniques and strategies for efficient customer collaboration.
Marketing vs Engineering, finding common ground (TeX Show Replay)
, , 12/10/2020
Replay of a video conference from the TeX Show event discussing about interactions between Marketing and Engineering teams.
Arnaud Liagre
JAX DevOps London: quick review of this event
28/05/2018
JAX DevOps 2018 took place mid-April in London. Let’s talk about the different elements I noticed during this large-scale event.
Aurélie Fon
Crazy idea: What if we used marketing to start a tech blog? 🤔
, 09/11/2020
In this article, you’ll learn how a simple marketing tool can help you start a successful tech blog!
Marketing vs Engineering, finding common ground (TeX Show Replay)
, , 12/10/2020
Replay of a video conference from the TeX Show event discussing about interactions between Marketing and Engineering teams.
Aurélien Clavelin
MiXiT 2019
, , 04/07/2019
Retour sur l’édition 2019 de MiXiT.
Json Web Tokens - Should I use it?
, 24/11/2017
Short explanation of the JWT standard in terms of usage, security concerns, best pratices, etc.
Aurora Font
UX integration in Agile teams (TeX Show Replay)
, , 12/11/2020
Replay of a video conference from the TeX Show event discussing about UX and how it’s done in agile teams.
Baptiste Meurant
JavaOne 2017 - Java 9, Jigsaw, Java EE 8 & EE4J
, 20/11/2017
First part of our feedback on JavaOne 2017. Java 9 is here with Jigsaw and modules! Java EE 8 is out but Java EE becomes EE4J and moves to Eclipse Fundation!
First steps with Glimmer
01/06/2017
Glimmer, the rendering engine of the Ember framework, is now released as a standalone library. This post explores the basis of this new tool through a concre...
Bastien Durizy
Progressive Web Apps
, , 12/06/2018
Introduction about Progressive Web Apps (PWA): what are PWA, what are their advantages and drawbacks, how to build one.
Angular Universal, server-side rendering for Angular apps
08/03/2018
How to use server side rendering with Universal for your Angular application to avoid main weaknesses related to single page applications.
Benjamin Parmentier
Applications debugging using Flame Graphs
19/10/2017
Exploration of anomaly detection with profiling kernel tools
Benoît Caron
Menus in a Catalyst app
06/05/2020
How to implement menus in a Catalyst app? Let’s find out.
How to build a debug view for your iOS app 📱
, 26/11/2018
iOS apps are complex pieces of software. Nowadays it is not unlikely to run into apps that aggregate more than a hundred view controllers. Imagine that you n...
Blog team
April digest
06/05/2021
Interesting readings from April
March digest
07/04/2021
Interesting readings from March
February digest
04/03/2021
Interesting readings from February
January digest
04/02/2021
Interesting readings from January
December digest
11/01/2021
Interesting readings from December
November digest
04/12/2020
Interesting readings from November
September digest
19/10/2020
Interesting readings from September
August digest
10/09/2020
Interesting readings from August
July digest
05/08/2020
Interesting readings from July
May and June digest
01/07/2020
Interesting readings from May and June
April digest
13/05/2020
Interesting readings from April
March digest
15/04/2020
Interesting readings from March
February digest
12/03/2020
Interesting readings from February
January digest
05/02/2020
Interesting readings from January
December digest
15/01/2020
Interesting readings from December
November digest
05/12/2019
Interesting readings from November
October digest
07/11/2019
Interesting readings from October
May digest
11/06/2019
Interesting readings from May
February digest
27/03/2019
Interesting readings from February
January digest
14/02/2019
Interesting readings from January
December digest
09/01/2019
Interesting readings from December
November digest
12/12/2018
Interesting readings from November
September digest
15/10/2018
Interesting readings from September
August digest
12/09/2018
Interesting readings from August
Bruno Verachten
ARM your continuous integration system with fruits!
30/01/2019
How to add your own ARM Gitlab runner to your Gitlab instance Runners herd
Cedric Deprez
JavaOne 2017 - CQRS, Event sourcing and Sagas
15/01/2018
Another feedback on JavaOne 2017. Some best practices for data management in the microservice world
Christophe Journel
Unified logging process: How to write logfile?
07/11/2017
What are the best practices when you need to use logs? This article may hep you, with the help of Logstash
Clément Nonn
A new architecture for SwiftUI applications
31/03/2021
Interested in an architecture adapted to the SwiftUI philosophy?
Corentin Berteloot
Anomaly detection for predictive monitoring
, , 26/09/2018
Monitoring is hard and getting harder. We are presenting here our anomaly detection solution which based on a dynamic unsupervised-learning approach allowing...
Dalila Hattab
Anomaly detection for predictive monitoring
, , 26/09/2018
Monitoring is hard and getting harder. We are presenting here our anomaly detection solution which based on a dynamic unsupervised-learning approach allowing...
Damien Ferey
Elastic{ON} Tour Paris 2018
11/04/2018
Elastic{ON} Tour Paris 2018 s’est déroulée le 30 janvier 2018 à Paris. Retour sur les annonces phares de cette édition.
Nouveautés ElasticSearch 6.0
25/10/2017
Aperçu des nouveautés apportées par ElasticSearch 6.0
ElasticSearch 5
03/07/2017
Aperçu des nouveautés apportées par ElasticSearch 5.0
Davy Garçon
Split unit and integration tests
10/04/2020
Many way exist to separate properly the unit tests an the integration tests. But actually how to do it and what are the avantages ?
Emma Dalgarno
How do you know if you are delivering what your customer wants? (TeX Show Replay)
, 15/10/2020
Replay of a video conference from the TeX Show event discussing about techniques and strategies for efficient customer collaboration.
François Roget
How to conditionally render React UI based on user permissions
09/06/2021
Not all users of an application have the same rights. Tailoring the UI based on those permissions is crucial for a good user experience
Gerben Castel
Learning motivation: discover Rust with Zork
25/10/2020
Let’s explore a way to find motivation in learning a new language via a fun side project.
In-place JVM memory analysis with jmap
26/02/2018
Diagnosing a java application may involve the use of GUI tools. However, jmap, a small JDK tool offers a good alternative.
Hubert Marteau
Blockchain: things to keep in mind for success (TeX Show Replay)
, 29/10/2020
Replay of a video conference from the TeX Show event discussing about Blockchain and good practices.
BlockChain : 0 - Introduction
30/10/2019
Introduction of a BlockChain series of articles
BlockChain : les adresses sont-elles sécurisées ?
28/03/2018
Tout utilisateur de BlockChain est représenté par un trio. Usurper une identité revient à s’accaparer ce trio. On peut donc se demander à quel point le systè...
MoBlo, Modélisation pour BlockChain
10/01/2018
Cet article présente comment utiliser l’outil de modélisation Moblo pour la conception d’une Blockchain.
Hyaifranny Ippolito
UX integration in Agile teams (TeX Show Replay)
, , 12/11/2020
Replay of a video conference from the TeX Show event discussing about UX and how it’s done in agile teams.
Imededdine Hosni
Bringing invisible payments on board
19/05/2021
With Open Payments, no need for a ticket. Just tap card or device on the validator and you’re ready to go. In this article we are going to zoom on the design...
This author is a very welcomed guest from the Atos group Ioannis Kolaxis
Will your applications run faster with Java 9?
30/11/2017
Java 9 was officially released on the 21st September 2017. How can your existing applications benefit from Java 9? If you haven’t already tested your applica...
Jean-François James
Boost your APIs with GraphQL (TeX Show Replay)
, 22/10/2020
Replay of a video conference from the TeX Show event discussing about GraphQL and API design.
Back from Oracle Code One 2019
13/11/2019
A personal feedback from Oracle Code One - San Francisco - 2019
DEVOXX France 2019
, , 23/05/2019
Retour sur l’édition 2019 de DEVOXX FRANCE.
From Java EE to Jakarta EE: a user perspective
06/08/2018
From Java EE to Jakarta EE transition from a user standpoint
EE4J: an opportunity for reconcialition in the Java ecosystem?
12/02/2018
Personal thoughts on how EE4J could (and should) help reconciliate Java EE and Spring
Java 9: discovering modules
21/09/2017
Java 9 is coming soon with a brand new (and long awaited) modular system. Let’s see its promises and challenges …
Impressions sur Devoxx France 2017
19/06/2017
Du 5 au 7 avril, j’ai eu la chance de participer à la 6ème édition Devoxx France 2017au Palais des Congrés à Paris. Je vous propose de partager mes impressio...
Jean-Baptiste Lanel
Why TLS if not confidential ?
19/06/2017
Many people consider that they do not need HTTPS if they do not host any confidential data. But TLS does not only grant confidentiality in the data transmiss...
Jean-Charles Leroy
Predictive monitoring industrialisation
, 19/06/2018
Feedback on a proof of concept about industrialization of a predictive monitoring tool.
Only SQL?
27/09/2017
Can we forget about SQL data storage engines? How to use a standard SQL engine to store efficiently a lot of data?
John Edwards
Anomaly detection for predictive monitoring
, , 26/09/2018
Monitoring is hard and getting harder. We are presenting here our anomaly detection solution which based on a dynamic unsupervised-learning approach allowing...
Jordan Couret
Deploy a new version with Spring Cloud
23/10/2019
Short explanation of a process to deploy a new version of an application based on Spring Cloud.
Joseph Colin
MiXiT 2019
, , 04/07/2019
Retour sur l’édition 2019 de MiXiT.
Juan Manuel CABRERA
Simulate your datacenters’ latency with Linux
26/11/2020
Use Linux (ip, iptables, tc, htb, netem) to simulate simply several datacenters with distance, segregation,bandwidth limits and all
Architecture Katas for dummies
, 12/12/2019
How to improve your architecture and design skills? By practicing!
Julien Carme
Voyage au cœur du monde numérique
25/10/2019
Un groupe d’experts de Worldline est parti une semaine au coeur de la Silicon Valley pour y rencontrer des acteurs du monde de l’IT. Cet article présente mes...
Julien Ripault
JavaOne 2017 - Java 9, Jigsaw, Java EE 8 & EE4J
, 20/11/2017
First part of our feedback on JavaOne 2017. Java 9 is here with Jigsaw and modules! Java EE 8 is out but Java EE becomes EE4J and moves to Eclipse Fundation!
Julien Villanti
JavaOne 2017 - Java 8, Three Years Ago. Functional & Reactive Programming
06/12/2017
Second part of our feedback on JavaOne 2017. Java 8: The Good, the Bad and The Ugly! Functional & Reactive Programming in Java Ecosystem.
Jurjen Bos
Discovering our Experts - Interview of Jurjen Bos
, 22/04/2021
Short interview of Jurjen Bos, expert in cryptography at Worldline.
All Things Quantum (TeX Show Replay)
, 05/11/2020
Replay of a video conference from the TeX Show event discussing about Quantum computing and cryptography.
Laurent Guigue
Health IT : focus on FHIR
14/04/2021
FHIR : a healthcare interoperability standard. As I’ve been immerged in e-health interoperability for years, I thought it was time to bring a focus on a majo...
Léo Gaillard
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
Liam Thiveux
New Web payment standards
, , 25/07/2018
An introduction to the new W3C web payment standards : Payment Request API, Payment handler API and Webauthentication API
Lionel Lepoutre
Comment est calculé le prix d’un voyage en Open Payment
05/02/2018
Lorsque vous avez un abonnement ou que vous achetez un ticket il est facile de savoir ce que vous coûte votre déplacement. Mais en Open Payment ça se passe c...
Open Payment : la fin des cartes de transport ?
13/11/2017
L’Open Payment ou comment utiliser sa CB à la fois comme moyen d’identification et de paiement à la volée dans les transports en commun.
Lionel Vallier
Blend Web Mix 2019
18/12/2019
Retour sur l’édition 2019 du Blend Web Mix.
Loïc Rodier
Let’s automate your infrastructure management using Terraform and Ansible
09/10/2019
Managing an infrastructure like an application (with code) is now possible using appropriate tools. It is somehow a challenge depending on the targeted autom...
Goodbye Docker, hello Containers
, , 19/02/2018
Docker, formerly called the standard de-facto for containerization is no more a standard. The risk of being vendor locked-in is important. Now, it’s time to ...
MiXiT 2017
26/07/2017
The 7th MiXiT edition standed on April 20&21th in Lyon (France) inside CPE building. Let’s review some talks!
Marc Lejeune
Bilan d’un voyage inspirant dans la Silicon Valley
18/10/2019
Notre filière expert Worldline a organisé un voyage de découverte, de rencontre et d’inspiration dans la Silicon Valley avec un groupe de 15 experts. Cette a...
Maxime Izydorczyk
MiXiT 2019
, , 04/07/2019
Retour sur l’édition 2019 de MiXiT.
Michel Daviot
Property Based Testing in Scala
19/07/2017
An introduction to Property Based Testing in Scala, in the practical case of Google Hashcode 2017
Mickael Bouyaud
Discovering our Experts - Interview of Mickael Bouyaud
, 10/02/2021
Short interview of Mickael Bouyaud, former Ingenico, Expert in System Architecture at Worldline.
Nicolas Carlier
Back to basics - Logging
22/01/2020
Let’s try to restore the prestige of logging.
API Gateway and OpenID Connect
16/05/2018
How to setup an API Gateway protected by OpenID Connect
Le Breizhcamp 2017
01/06/2017
Le BreizhCamp, c’est 3 jours de conférences et de ‘hacker-space’ au sein des locaux de l’Université de Rennes. Ce post propose un retour détaillé sur l’éditi...
Nourredine Khadri
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
Feedback on OWASP AppSec Europe 2017
11/09/2017
OWASP AppSec is a major conference in Europe for developers and security experts. This article offers a detailed feedback on 2017 edition that took place in ...
Olivier Maas
New Web payment standards
, , 25/07/2018
An introduction to the new W3C web payment standards : Payment Request API, Payment handler API and Webauthentication API
Olivier Perez
Gradle, JUpiter, Kotlin and Mockito aboard the same boat
30/07/2018
Keeping the quality tools up to date helps us every day to keep quality on high level. Let’s say we want to configure JUnit5 onto Kotlin, Gradle and Mockito,...
Philippe Verhaeghe
Tableau Conference 2018 Europe
13/08/2018
The Tableau Conference Europe 2018 took place 3-4-5 July 2018 in London. Here is my feedback on this event.
Pierre-Louis Signoret
What’s quantum cryptography?
20/05/2020
Quantum physic is getting discovered during the 20th century and is made of multiple theories that seem to solve current classical physic problems. Let’s dis...
Quentin Tomasicchio
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
Raphaël Semeteys
DEVOXX France 2019
, , 23/05/2019
Retour sur l’édition 2019 de DEVOXX FRANCE.
Open Source is not only about code
19/12/2018
Continuing our series on Free and Open Source Software (FOSS) and after a first post on its history, let’s now have a global insight on what FOSS is.
An Open Source history
, 29/10/2018
In this first Article of Open Source series, we will cover this history from the beginning up to the mass market deployment
Paris Java User Group 10th birthday
05/06/2018
For its 10th birtday the Paris Java User Group held a special event. Here is my feedback.
Buzzwords I followed at JavaOne 2017
22/01/2018
Fourth part of our feedback on JavaOne 2017. This time it’s about some buzzwords I followed during the conference: AI, chatbots and JavaScript.
Romain Martinelli
Predictive monitoring industrialisation
, 19/06/2018
Feedback on a proof of concept about industrialization of a predictive monitoring tool.
Romain Philibert
Goodbye Docker, hello Containers
, , 19/02/2018
Docker, formerly called the standard de-facto for containerization is no more a standard. The risk of being vendor locked-in is important. Now, it’s time to ...
Simon Henry
How Regular Expressions within IDE saved my time
15/05/2019
Feedback about the usage of regular expressions within IDE and how it could save a lot of time
Json Web Tokens - Should I use it?
, 24/11/2017
Short explanation of the JWT standard in terms of usage, security concerns, best pratices, etc.
Sylvain Pollet-Villard
Progressive Web Apps
, , 12/06/2018
Introduction about Progressive Web Apps (PWA): what are PWA, what are their advantages and drawbacks, how to build one.
Thomas Langlois
Goodbye Docker, hello Containers
, , 19/02/2018
Docker, formerly called the standard de-facto for containerization is no more a standard. The risk of being vendor locked-in is important. Now, it’s time to ...
Valery Brasseur
Le capacity planning pour les nuls
10/03/2021
Ou encore comment faire un capacity planning simplement et facilement
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
Vincent Pradeilles
Crazy idea: What if we used marketing to start a tech blog? 🤔
, 09/11/2020
In this article, you’ll learn how a simple marketing tool can help you start a successful tech blog!
Marketing vs Engineering, finding common ground (TeX Show Replay)
, , 12/10/2020
Replay of a video conference from the TeX Show event discussing about interactions between Marketing and Engineering teams.
How to build a debug view for your iOS app 📱
, 26/11/2018
iOS apps are complex pieces of software. Nowadays it is not unlikely to run into apps that aggregate more than a hundred view controllers. Imagine that you n...
Advanced debugging with Xcode 🐛
16/04/2018
They say “It’s a poor craftsman who blames his tools”. So let’s take this as an incentive to learn more about debugging tools in Xcode!
Wissam Siblini
DilBert, a Worldline Labs’ language model for Question Answering
11/05/2021
Discover DilBert, our language for Open Domain Question Answering that was nominated for best paper award at the conference EGC 2021
Yassine Benabbas
Dependency injection with Dagger 2 - Part 3: Basic injection in an Android Application
18/03/2020
In this post, we are going to setup Dagger in an Android project.
Dagger 2: injecting into and from objects not managed by Dagger
06/01/2020
Dagger 2 is the most used dependency injection framework in Android. In this post, we will explore some possibilities of interacting with objects whose lifec...
Kotlin contracts
11/04/2019
This post explores contracts which are introduced in Kotlin 1.3 as an experimental feature.
OpenID Connect and OAuth2 for the beginner
06/02/2019
Handling user authentication is common yet critical task in many apps. OpenID Connect and OAuth2 are famous standards used for that purpose. This post serves...
Kotlin Inline classes
05/12/2018
This is an introduction to inline classes added in Kotlin 1.3
Progressive Web Apps
, , 12/06/2018
Introduction about Progressive Web Apps (PWA): what are PWA, what are their advantages and drawbacks, how to build one.