Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
Posts by Category
AI
Worldline Labs is already in green AI
, , , 06/10/2022
Worldline has some good practices to share with you to deal with the energy problem when applying artificial intelligence.
API
Real life Rest API Versioning for dummies
08/08/2023
How to strive with REST API Versioning?
API first - the new way of software development
30/11/2022
Nowadays, the focus of new software should be on the APIs of the software. This requires a rethinking from the perspective of architects and developers.
Application-Development
Testcontainers - Automated Network Testing
30/08/2023
Learn how to add reproducible, self contained, automatable network tests to your development pipeline
Architecture
API first - the new way of software development
30/11/2022
Nowadays, the focus of new software should be on the APIs of the software. This requires a rethinking from the perspective of architects and developers.
Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
Colonial
ZTNA - Hacking Time
, 06/01/2022
Zero Trust, some of the most spectacular hacks of 2021 and how ZTNA fundamentals might have helped
Docker
Testcontainers - Automated Network Testing
30/08/2023
Learn how to add reproducible, self contained, automatable network tests to your development pipeline
Flutter
Hacking
ZTNA - Hacking Time
, 06/01/2022
Zero Trust, some of the most spectacular hacks of 2021 and how ZTNA fundamentals might have helped
IDE
JFTL
Java
Testcontainers - Automated Network Testing
30/08/2023
Learn how to add reproducible, self contained, automatable network tests to your development pipeline
Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
Kafka
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Kafka-connect
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Kaseya
ZTNA - Hacking Time
, 06/01/2022
Zero Trust, some of the most spectacular hacks of 2021 and how ZTNA fundamentals might have helped
Reactjs
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
SolarWinds
ZTNA - Hacking Time
, 06/01/2022
Zero Trust, some of the most spectacular hacks of 2021 and how ZTNA fundamentals might have helped
Spring
Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
Spring-Boot
Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
TechForum
TechForum 2022: feedback and behind the scenes from the staff
, , , 31/08/2022
Feedback on the 2022 edition of the TechForum
Testcontainers
Testcontainers - Automated Network Testing
30/08/2023
Learn how to add reproducible, self contained, automatable network tests to your development pipeline
Web3
Web3 Unveiled: How Decentralization is shaping the future of the Internet
01/08/2023
Dive into a world where code is law, and decentralization could shape the future of the internet.
ZTNA
ZTNA - For Machine Vendors
01/02/2023
Zero Trust for machine vendors? The potential, special requirements and a match against NIST 800-207
ZTNA - Hacking Time
, 06/01/2022
Zero Trust, some of the most spectacular hacks of 2021 and how ZTNA fundamentals might have helped
ZTNA - Fundamentals
24/11/2021
Zero Trust, fundamental principles to transform a company network into an ocean of trusted islands for better security and business agility
accessibility
Best Selling Accessibility
19/10/2021
Exploring realistic and effective ways to sell web accessibility
agile
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.
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.
DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
ai
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
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...
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...
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.
Predictive monitoring industrialisation
, 19/06/2018
Feedback on a proof of concept about industrialization of a predictive monitoring tool.
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.
analysis
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
Applications debugging using Flame Graphs
19/10/2017
Exploration of anomaly detection with profiling kernel tools
android
Kotlin Multiplatform: The Best Choice
, 26/01/2022
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.
angular
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
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.
api
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.
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...
API Gateway and OpenID Connect
16/05/2018
How to setup an API Gateway protected by OpenID Connect
application
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
Applications debugging using Flame Graphs
19/10/2017
Exploration of anomaly detection with profiling kernel tools
architecture
Real life Rest API Versioning for dummies
08/08/2023
How to strive with REST API Versioning?
Web3 Unveiled: How Decentralization is shaping the future of the Internet
01/08/2023
Dive into a world where code is law, and decentralization could shape the future of the internet.
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Enabling distributed tracing on your microservices Spring app using Jaeger and OpenTracing
22/09/2021
How to get end to end tracing on your microservices application?
A new architecture for SwiftUI applications
31/03/2021
Interested in an architecture adapted to the SwiftUI philosophy?
Discovering our Experts - Interview of Mickael Bouyaud
, 10/02/2021
Short interview of Mickael Bouyaud, former Ingenico, Expert in System Architecture at Worldline.
K8S, Helm & Co: Beyond the Hype
21/01/2021
Feedback on cloud and Kubernetes adoption
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
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!
as-code
authentication
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...
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.
automation
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...
backend
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
beam
A short introduction of Apache Beam
11/07/2019
A short introduction and a feedback illustrated by a simple use case
bgp
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.
billettique
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.
blendwebmix
Blend Web Mix 2019
18/12/2019
Retour sur l’édition 2019 du Blend Web Mix.
blockchain
Web3 Unveiled: How Decentralization is shaping the future of the Internet
01/08/2023
Dive into a world where code is law, and decentralization could shape the future of the internet.
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.
blogging
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!
bot
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.
breizhcamp
Breizhcamp 2022
, 19/07/2022
Retour sur l’édition 2022 de Breizhcamp
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...
buzzword
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.
catalyst
Menus in a Catalyst app
06/05/2020
How to implement menus in a Catalyst app? Let’s find out.
chaos-theory
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
chatbot
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
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.
ci
ARM your continuous integration system with fruits!
30/01/2019
How to add your own ARM Gitlab runner to your Gitlab instance Runners herd
cloud
Quarkus’ Fast-JAR packaging
05/09/2023
Quarkus’ opinionated way of packaging cloud-native Java Apps: enter the Fast-JAR
cncf
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 ...
communication
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.
conference
Notre participation à l’évènement Cloud Nord 2022
, 18/10/2022
REX de notre participation à l’évènement Cloud Nord 2022. Découvrez les retours de nos speakers Jean-François James et Alexandre Touret ainsi que les couliss...
TechForum 2022: feedback and behind the scenes from the staff
, , , 31/08/2022
Feedback on the 2022 edition of the TechForum
Breizhcamp 2022
, 19/07/2022
Retour sur l’édition 2022 de Breizhcamp
Retours sur MiXiT 2022
, , , , 13/06/2022
Nous etions plusieurs Worldliners au MiXiT 2022. Voici nos retours.
SnowCamp IO 2022
09/03/2022
Retour sur l’édition 2022 de SnowCamp IO.
Touraine Tech 2022
, , , , 03/03/2022
Retour sur l’édition 2022 de Touraine Tech.
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.
Blend Web Mix 2019
18/12/2019
Retour sur l’édition 2019 du Blend Web Mix.
Back from Oracle Code One 2019
13/11/2019
A personal feedback from Oracle Code One - San Francisco - 2019
MiXiT 2019
, , 04/07/2019
Retour sur l’édition 2019 de MiXiT.
DEVOXX France 2019
, , 23/05/2019
Retour sur l’édition 2019 de DEVOXX FRANCE.
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.
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
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.
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.
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.
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.
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
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.
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!
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 ...
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!
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...
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...
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...
conferences
Back from Devoxx Belgium 2022
, , 23/11/2022
After 3 years off, Devoxx Belgium is back. Some Worldliners had the chance to attend it. Here are our impressions and the most interesting talks watched.
confoo
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...
connect
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...
connection
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
container
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 ...
containerd
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 ...
cqrs
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
cri
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 ...
cri-o
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 ...
cryptography
Post-Quantum Cryptography Series - Second Newsletter
, , , 27/04/2022
The aim of this series of newsletter is to share with you our expertise and thoughts in cryptography and post-quantum cryptography area in an accessible way.
Post-Quantum Cryptography Series
, , , , 27/10/2021
The aim of this series of newsletter is to share with you our expertise and thoughs in cryptography and post-quantum cryptography area in an accessible way.
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.
cryptology
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...
csrf
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
dataops
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...
dataviz
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.
debug
Applications debugging using Flame Graphs
19/10/2017
Exploration of anomaly detection with profiling kernel tools
decentralization
Web3 Unveiled: How Decentralization is shaping the future of the Internet
01/08/2023
Dive into a world where code is law, and decentralization could shape the future of the internet.
delivery
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.
deployment
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.
desktop
developer
Gitpod: Your mobile dev cloud IDE
27/06/2023
This article presents Gitpod from a mobile developer’s perspective and guides you through the process of creating an Android Studio IDE on the cloud using Gi...
development
Real life Rest API Versioning for dummies
08/08/2023
How to strive with REST API Versioning?
Invisible code and XSS attacks
19/07/2023
The danger of code trojans through invisible code in JavaScript
Spring Boot 3 and GraalVM
06/06/2023
Spring Boot 3 comes with the support for native images.
API first - the new way of software development
30/11/2022
Nowadays, the focus of new software should be on the APIs of the software. This requires a rethinking from the perspective of architects and developers.
Kotlin Multiplatform: The Best Choice
, 26/01/2022
Editing a PDF in MAUI / .NET
19/01/2022
How to easily edit a form fillable PDF in a MAUI application (or pretty any other .NET project)
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Enabling distributed tracing on your microservices Spring app using Jaeger and OpenTracing
22/09/2021
How to get end to end tracing on your microservices application?
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
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
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 ?
devops
Back to basics - Logging
22/01/2020
Let’s try to restore the prestige of logging.
DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
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.
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.
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 ...
devoxx
DEVOXX France 2019
, , 23/05/2019
Retour sur l’édition 2019 de DEVOXX FRANCE.
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
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...
di
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...
diagram
digest
Immutable OS
29/03/2023
a panel on the current state of art about Immutable OS
April digest
03/05/2022
Interesting readings from April
January digest
07/02/2022
Interesting readings from January
October/November digest
08/12/2021
Interesting readings from October and November
September digest
01/10/2021
Interesting readings from September
June digest
15/07/2021
Interesting readings from June
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
digital
DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
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.
digitaltransformation
DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
distributed
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
docker
Ryuk the Resource Reaper
04/01/2023
Testcontainers’ Ryuk container and a workaround for better collaboration with old Docker versions
August digest
12/09/2018
Interesting readings from August
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 ...
documentation
Hack your documentation!
24/09/2020
Documentation As Code: an other way to deal with project documentation
domotique
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
dotnet
Editing a PDF in MAUI / .NET
19/01/2022
How to easily edit a form fillable PDF in a MAUI application (or pretty any other .NET project)
ee4j
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
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!
ehealth
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...
elasticsearch
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
engineering
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.
event-sourcing
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
expert
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.
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...
foss
Open Source Governance: Worldline’s Progressive Approach
19/09/2023
Diving into Worldline’s strategy for Open Source Governance in a tech-driven era
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.
framework
A short introduction of Apache Beam
11/07/2019
A short introduction and a feedback illustrated by a simple use case
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...
frontend
functional
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.
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.
gamification
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.
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
gitlab
ARM your continuous integration system with fruits!
30/01/2019
How to add your own ARM Gitlab runner to your Gitlab instance Runners herd
gitlab-ci
ARM your continuous integration system with fruits!
30/01/2019
How to add your own ARM Gitlab runner to your Gitlab instance Runners herd
glimmer
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...
governance
Open Source Governance: Worldline’s Progressive Approach
19/09/2023
Diving into Worldline’s strategy for Open Source Governance in a tech-driven era
graalvm
Spring Boot 3 and GraalVM
06/06/2023
Spring Boot 3 comes with the support for native images.
gradle
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 ?
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,...
graphql
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.
August digest
12/09/2018
Interesting readings from August
header
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
helm
K8S, Helm & Co: Beyond the Hype
21/01/2021
Feedback on cloud and Kubernetes adoption
http
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
iCalendar
Creating an iCalendar event with HTML content
20/06/2023
How to programmatically create an iCalendar with HTML content using the biweekly library
iOS
iac
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...
ide
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
ietf
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
immutability
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.
innovation
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...
interview
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.
ios
Kotlin Multiplatform: The Best Choice
, 26/01/2022
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...
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!
java
Quarkus’ Fast-JAR packaging
05/09/2023
Quarkus’ opinionated way of packaging cloud-native Java Apps: enter the Fast-JAR
Creating an iCalendar event with HTML content
20/06/2023
How to programmatically create an iCalendar with HTML content using the biweekly library
Spring Boot 3 and GraalVM
06/06/2023
Spring Boot 3 comes with the support for native images.
Ryuk the Resource Reaper
04/01/2023
Testcontainers’ Ryuk container and a workaround for better collaboration with old Docker versions
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Enabling distributed tracing on your microservices Spring app using Jaeger and OpenTracing
22/09/2021
How to get end to end tracing on your microservices application?
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 ?
Back from Oracle Code One 2019
13/11/2019
A personal feedback from Oracle Code One - San Francisco - 2019
August digest
12/09/2018
Interesting readings from August
From Java EE to Jakarta EE: a user perspective
06/08/2018
From Java EE to Jakarta EE transition from a user standpoint
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.
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.
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
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.
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
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.
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...
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!
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 …
java9
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...
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!
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 …
javaee
From Java EE to Jakarta EE: a user perspective
06/08/2018
From Java EE to Jakarta EE transition from a user standpoint
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!
javaone
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.
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
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.
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!
javascript
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
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.
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.
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...
jigsaw
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!
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 …
jug
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.
junit
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,...
jwt
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.
keep-alive
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
kong
API Gateway and OpenID Connect
16/05/2018
How to setup an API Gateway protected by OpenID Connect
kotlin
Creating an iCalendar event with HTML content
20/06/2023
How to programmatically create an iCalendar with HTML content using the biweekly library
Kotlin Multiplatform: The Best Choice
, 26/01/2022
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.
Kotlin Inline classes
05/12/2018
This is an introduction to inline classes added in Kotlin 1.3
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,...
kubernetes
K8S, Helm & Co: Beyond the Hype
21/01/2021
Feedback on cloud and Kubernetes adoption
lambdas
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.
learning
Troubleshoot SSL/TLS mutual authentication with openssl s_server
07/03/2023
How to take advantage of openssl to better diagnose and fix SSL/TLS handshake errors, specifically with the ‘openssl s_server’ command
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.
linux
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
logging
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
logstash
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
management
marketing
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.
maui
Editing a PDF in MAUI / .NET
19/01/2022
How to easily edit a form fillable PDF in a MAUI application (or pretty any other .NET project)
maven
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 ?
methodologies
microservices
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
mixit
Retours sur MiXiT 2022
, , , , 13/06/2022
Nous etions plusieurs Worldliners au MiXiT 2022. Voici nos retours.
MiXiT 2019
, , 04/07/2019
Retour sur l’édition 2019 de MiXiT.
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!
ml
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.
mobile
Kotlin Multiplatform: The Best Choice
, 26/01/2022
Editing a PDF in MAUI / .NET
19/01/2022
How to easily edit a form fillable PDF in a MAUI application (or pretty any other .NET project)
moblo
MoBlo, Modélisation pour BlockChain
10/01/2018
Cet article présente comment utiliser l’outil de modélisation Moblo pour la conception d’une Blockchain.
mockito
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,...
modelisation
MoBlo, Modélisation pour BlockChain
10/01/2018
Cet article présente comment utiliser l’outil de modélisation Moblo pour la conception d’une Blockchain.
monitoring
Predictive monitoring industrialisation
, 19/06/2018
Feedback on a proof of concept about industrialization of a predictive monitoring tool.
multiplatform
Kotlin Multiplatform: The Best Choice
, 26/01/2022
network
ZTNA - For Machine Vendors
01/02/2023
Zero Trust for machine vendors? The potential, special requirements and a match against NIST 800-207
ZTNA - Fundamentals
24/11/2021
Zero Trust, fundamental principles to transform a company network into an ocean of trusted islands for better security and business agility
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
networking
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.
nlp
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
nodejs
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.
nosql
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?
objectivec
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!
observability
Enabling distributed tracing on your microservices Spring app using Jaeger and OpenTracing
22/09/2021
How to get end to end tracing on your microservices application?
oidc
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...
API Gateway and OpenID Connect
16/05/2018
How to setup an API Gateway protected by OpenID Connect
open-source
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
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
openid
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...
openpayment
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.
opensource
Open Source Governance: Worldline’s Progressive Approach
19/09/2023
Diving into Worldline’s strategy for Open Source Governance in a tech-driven era
ops
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.
orchestration
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...
overlay
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...
owasp
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 ...
packaging
Quarkus’ Fast-JAR packaging
05/09/2023
Quarkus’ opinionated way of packaging cloud-native Java Apps: enter the Fast-JAR
partition
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?
paymentHandler
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
paymentrequest
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
performance
Spring Boot 3 and GraalVM
06/06/2023
Spring Boot 3 comes with the support for native images.
Le capacity planning pour les nuls
10/03/2021
Ou encore comment faire un capacity planning simplement et facilement
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.
What are keepalives?
29/01/2018
Analysis of how HTTP Keep-Alive work and interact with client/server and performance
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...
predictive-monitoring
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...
provisionning
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...
pwa
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
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.
quantum
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.
quarkus
Quarkus’ Fast-JAR packaging
05/09/2023
Quarkus’ opinionated way of packaging cloud-native Java Apps: enter the Fast-JAR
question-answering
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
reactive
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.
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.
regexp
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
remote-work
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
resiliency
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...
rex
Notre participation à l’évènement Cloud Nord 2022
, 18/10/2022
REX de notre participation à l’évènement Cloud Nord 2022. Découvrez les retours de nos speakers Jean-François James et Alexandre Touret ainsi que les couliss...
ribbon
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.
rust
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.
sagas
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
scala
Property Based Testing in Scala
19/07/2017
An introduction to Property Based Testing in Scala, in the practical case of Google Hashcode 2017
security
Invisible code and XSS attacks
19/07/2023
The danger of code trojans through invisible code in JavaScript
HSM in the cloud: opportunity or contradiction?
05/04/2023
An HSM has security featured that are not available in cloud environment, regardless of what the cloud providers claim
Troubleshoot SSL/TLS mutual authentication with openssl s_server
07/03/2023
How to take advantage of openssl to better diagnose and fix SSL/TLS handshake errors, specifically with the ‘openssl s_server’ command
Post-Quantum Cryptography Series - Second Newsletter
, , , 27/04/2022
The aim of this series of newsletter is to share with you our expertise and thoughts in cryptography and post-quantum cryptography area in an accessible way.
Post-Quantum Cryptography Series
, , , , 27/10/2021
The aim of this series of newsletter is to share with you our expertise and thoughs in cryptography and post-quantum cryptography area in an accessible way.
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...
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
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...
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.
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.
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 ...
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...
seo
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.
service-worker
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.
session
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.
sgbd
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?
snowcamp
SnowCamp IO 2022
09/03/2022
Retour sur l’édition 2022 de SnowCamp IO.
spring
Kafka manager By Worldline
, 10/11/2021
How to easily manage your Kafka cluster
Enabling distributed tracing on your microservices Spring app using Jaeger and OpenTracing
22/09/2021
How to get end to end tracing on your microservices application?
August digest
12/09/2018
Interesting readings from August
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
spring-boot
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.
spring-cloud
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.
sql
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?
standard
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...
streams
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.
strings
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...
svg
SVG Part 2 - Dynamic vector graphics
17/02/2023
Discover how to animate SVG graphics with pure SVG instructions, CSS or Javascript.
SVG Part 1 - Open standard for vector graphics
17/01/2023
Discover the SVG standard and how to use it to create static vector graphics.
swift
A new architecture for SwiftUI applications
31/03/2021
Interested in an architecture adapted to the SwiftUI philosophy?
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!
swiftui
A new architecture for SwiftUI applications
31/03/2021
Interested in an architecture adapted to the SwiftUI philosophy?
tableau
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.
technology
Spring Boot 3 and GraalVM
06/06/2023
Spring Boot 3 comes with the support for native images.
Immutable OS
29/03/2023
a panel on the current state of art about Immutable OS
API first - the new way of software development
30/11/2022
Nowadays, the focus of new software should be on the APIs of the software. This requires a rethinking from the perspective of architects and developers.
April digest
03/05/2022
Interesting readings from April
January digest
07/02/2022
Interesting readings from January
October/November digest
08/12/2021
Interesting readings from October and November
September digest
01/10/2021
Interesting readings from September
June digest
15/07/2021
Interesting readings from June
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
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...
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
test
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.
Property Based Testing in Scala
19/07/2017
An introduction to Property Based Testing in Scala, in the practical case of Google Hashcode 2017
testcontainers
Ryuk the Resource Reaper
04/01/2023
Testcontainers’ Ryuk container and a workaround for better collaboration with old Docker versions
testing
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 ?
Devoxx 2018 - Retour, florilège et point de vue
26/06/2018
Retour sur une petite sélection de talks vus lors du Devoxx France 2018.
texshow
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.
tls
Troubleshoot SSL/TLS mutual authentication with openssl s_server
07/03/2023
How to take advantage of openssl to better diagnose and fix SSL/TLS handshake errors, specifically with the ‘openssl s_server’ command
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...
token
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.
tooling
Troubleshoot SSL/TLS mutual authentication with openssl s_server
07/03/2023
How to take advantage of openssl to better diagnose and fix SSL/TLS handshake errors, specifically with the ‘openssl s_server’ command
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...
tools
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
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.
touraine_tech
Touraine Tech 2022
, , , , 03/03/2022
Retour sur l’édition 2022 de Touraine Tech.
transformation
DevOps at Scale
16/10/2019
An approach to implementing DevOps in large organizations
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.
trend
typescript
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
ux
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.
virtualization
vmware
w3c
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
web
Invisible code and XSS attacks
19/07/2023
The danger of code trojans through invisible code in JavaScript
Best Selling Accessibility
19/10/2021
Exploring realistic and effective ways to sell web accessibility
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
Same-site cookie, a new protection against CSRF
02/07/2018
Let’s describe a promising, simple and good protection against CSRF attacks
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.
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 ...
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...
webauthn
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
webdevelopment
Feedback on the ConFoo 2018 conference.
, 16/07/2018
Trends and nice talks we attended at the ConFoo 2018 conference in Montreal.
workshop
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.
xcode
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!