Emmanuel Bernard
@emmanuelbernard.com
Open Source software engineer: Hibernate team, Quarkus co-founder and more. Cloud Services @ Red Hat.
Les Cast Codeurs founder. Java Champion...
Les Cast Codeurs founder. Java Champion...
So you can use your claude subscription (Pro/Max) via copilot and use copilot as the LLM for opencode is that what you mean? Got pointers?
January 13, 2026 at 12:09 PM
So you can use your claude subscription (Pro/Max) via copilot and use copilot as the LLM for opencode is that what you mean? Got pointers?
yes! I love opencode, and I love how you can easily write subagents too and call them or swap between plans which are top level agents.
That's how I ended up in my issue with Claude subscription
That's how I ended up in my issue with Claude subscription
January 13, 2026 at 12:08 PM
yes! I love opencode, and I love how you can easily write subagents too and call them or swap between plans which are top level agents.
That's how I ended up in my issue with Claude subscription
That's how I ended up in my issue with Claude subscription
Function calling interesting new patterns and their usage in agentic frameworks
emmanuelbernard.com/blog/2026/01...
emmanuelbernard.com/blog/2026/01...
Anthropic has improved function calling and that’s good
If you’ve used function calling in your agentic apps, you know the challenges: Piling up tools consumes a lot of tokens as each tool definition is carried in your context window. Having many too...
emmanuelbernard.com
January 12, 2026 at 10:21 AM
Function calling interesting new patterns and their usage in agentic frameworks
emmanuelbernard.com/blog/2026/01...
emmanuelbernard.com/blog/2026/01...
I did not know but it looks like you cannot have a Claude Subscription and use it with other tolls than Claude Code. I was using OpenCode and now it rejects it. Sad panda.
January 9, 2026 at 9:56 AM
I did not know but it looks like you cannot have a Claude Subscription and use it with other tolls than Claude Code. I was using OpenCode and now it rejects it. Sad panda.
Note to self, it is 2026 now, not 2025.
January 5, 2026 at 8:41 AM
Note to self, it is 2026 now, not 2025.
Reposted by Emmanuel Bernard
Episode 334 - Interview de Muriel Ekovich sur les biais cognitifs #BiaisCognitif #Neurosciences #PriseDeDecision #Numerique #Expertise #Perception #Empathie #Metacognition #Recrutement #CultureDEntreprise sur www.youtube.com/watch?v=kMfK... et en podcast lescastcodeurs.com/2025/12/24/l...
www.youtube.com
December 24, 2025 at 2:26 PM
Episode 334 - Interview de Muriel Ekovich sur les biais cognitifs #BiaisCognitif #Neurosciences #PriseDeDecision #Numerique #Expertise #Perception #Empathie #Metacognition #Recrutement #CultureDEntreprise sur www.youtube.com/watch?v=kMfK... et en podcast lescastcodeurs.com/2025/12/24/l...
Reposted by Emmanuel Bernard
Et pour finir en beauté, mardi 23 décembre à 10h, Interview d'Arnaud Giuliani (Koin, Kotzilla) sur Kotlin Les Cast Codeurs https://www.youtube.com/watch?v=D2kDIs5u2rg
December 19, 2025 at 8:16 AM
Et pour finir en beauté, mardi 23 décembre à 10h, Interview d'Arnaud Giuliani (Koin, Kotzilla) sur Kotlin Les Cast Codeurs https://www.youtube.com/watch?v=D2kDIs5u2rg
Avec le bon lien :) youtube.com/watch?v=PQU2pcJPhXU
https://youtube.com/watch\?v\=PQU2pcJPhXU
December 18, 2025 at 1:52 PM
Avec le bon lien :) youtube.com/watch?v=PQU2pcJPhXU
Reposted by Emmanuel Bernard
2025 - la "rétro" des cast codeurs en vidéo
YouTube video by lescastcodeurs
www.youtube.com
December 17, 2025 at 2:53 PM
Reposted by Emmanuel Bernard
Episode 333 - A vendre OSS primitif TBE #LLM #JavaScript #OpenSource #Acquisition #Java #Kotlin #MCP #SpringBoot #IA #Quarkus #Mistral #Infrastructure #IBM #Opus45 #Gemini3 #Cloud #Incidents #Architecture #CQRS sur www.youtube.com/watch?v=INrB... et en podcast lescastcodeurs.com/2025/12/15/l...
www.youtube.com
December 15, 2025 at 4:01 PM
Episode 333 - A vendre OSS primitif TBE #LLM #JavaScript #OpenSource #Acquisition #Java #Kotlin #MCP #SpringBoot #IA #Quarkus #Mistral #Infrastructure #IBM #Opus45 #Gemini3 #Cloud #Incidents #Architecture #CQRS sur www.youtube.com/watch?v=INrB... et en podcast lescastcodeurs.com/2025/12/15/l...
Hey l'équipe @devoxx.fr, j'ai publié @lescastcodeurs.com 333 juste pour que vous écoutiez en allant à la soirée ce soir 😇
December 15, 2025 at 4:02 PM
Hey l'équipe @devoxx.fr, j'ai publié @lescastcodeurs.com 333 juste pour que vous écoutiez en allant à la soirée ce soir 😇
Do you use zsh? I recommend you set in your .zshrc the following: setopt NO_BANG_HIST
This will avoid mess around single quote and ! interpretations in your "command line ` strings !".
This will avoid mess around single quote and ! interpretations in your "command line ` strings !".
December 10, 2025 at 11:32 AM
Do you use zsh? I recommend you set in your .zshrc the following: setopt NO_BANG_HIST
This will avoid mess around single quote and ! interpretations in your "command line ` strings !".
This will avoid mess around single quote and ! interpretations in your "command line ` strings !".
I was setting it up from scratch so needed a bit of screen usage.
November 29, 2025 at 8:08 AM
I was setting it up from scratch so needed a bit of screen usage.
You know this server loosely hanging by its hdmi cable ? Courtesy of motorized standing desk. 😱
November 28, 2025 at 8:35 PM
You know this server loosely hanging by its hdmi cable ? Courtesy of motorized standing desk. 😱
I might not know how to spell Software *Craftsmanship* without help but I am optimistic of its relevance in the Coding Agent era emmanuelbernard.com/blog/2025/11...
Software Craftsmanship and AI
Yesterday I went to a presentation by Cyrille Matraire on Software Craftsmanship and AI. And I ended up surprisingly optimistic about the role of humans in software development. A history of software...
emmanuelbernard.com
November 20, 2025 at 3:35 PM
I might not know how to spell Software *Craftsmanship* without help but I am optimistic of its relevance in the Coding Agent era emmanuelbernard.com/blog/2025/11...
Reposted by Emmanuel Bernard
Episode 332 - Groquik revient, Emmanuel s'en va #Java #Spring #Quarkus #Infinispan #Gemini #Javelit #développement #IA #modèles #outils #productivité #NTP #JVM #RedHat sur www.youtube.com/watch?v=QZSm... et en podcast lescastcodeurs.com/2025/11/18/l...
www.youtube.com
November 18, 2025 at 10:24 AM
Episode 332 - Groquik revient, Emmanuel s'en va #Java #Spring #Quarkus #Infinispan #Gemini #Javelit #développement #IA #modèles #outils #productivité #NTP #JVM #RedHat sur www.youtube.com/watch?v=QZSm... et en podcast lescastcodeurs.com/2025/11/18/l...
ah les liens sont mangés www.youtube.com/watch?v=DEPp... ou www.youtube.com/@lescastcode...
LCC 332 - LIVE - Groquik revient, Emmanuel s'en va
YouTube video by lescastcodeurs
www.youtube.com
November 14, 2025 at 10:55 AM
ah les liens sont mangés www.youtube.com/watch?v=DEPp... ou www.youtube.com/@lescastcode...
Shit, there was a meeting? I guess I missed the
memo.
memo.
November 13, 2025 at 9:53 PM
Shit, there was a meeting? I guess I missed the
memo.
memo.
Tant que ce n’est pas une barre de code.
November 13, 2025 at 9:45 PM
Tant que ce n’est pas une barre de code.
A big page has turned for me, I've left Red Hat. emmanuelbernard.com/blog/2025/11...
Leaving Red Hat - a 20-years page has been turned
After 20 years of an Open Source led career at JBoss and Red Hat, I have decided to leave this family and explore a new path. My journey at JBoss and Red Hat This is a long and not an easy page to...
emmanuelbernard.com
November 13, 2025 at 2:53 PM
A big page has turned for me, I've left Red Hat. emmanuelbernard.com/blog/2025/11...
When VSCode messes up with my Zen thing(*) and my terminal tools. Ho to fix it.
emmanuelbernard.com/blog/2025/11...
(*) I watched Tron Legacy 10 days or so ago 😎
emmanuelbernard.com/blog/2025/11...
(*) I watched Tron Legacy 10 days or so ago 😎
JBang, Visual Studio Code, and the mysterious disappearing changes
I recently spent time automating some of my repetitive tasks using JBang scripts, with Claude Code helping me along the way in VSCode (oh sorry, it’s called Visual Studio Code now). Everything seemed ...
emmanuelbernard.com
November 10, 2025 at 9:30 AM
When VSCode messes up with my Zen thing(*) and my terminal tools. Ho to fix it.
emmanuelbernard.com/blog/2025/11...
(*) I watched Tron Legacy 10 days or so ago 😎
emmanuelbernard.com/blog/2025/11...
(*) I watched Tron Legacy 10 days or so ago 😎
Reposted by Emmanuel Bernard
Episode 331 - Le retour des jackson 5 #Java #JUnit #Grails #Jackson #Groovy #IA #React #Wasm #UUID #RAG #MCP #NanoBanana #YAML #Documentation #RTO #CloudCode sur youtube www.youtube.com/watch?v=n6UK... et en podcast lescastcodeurs.com/2025/11/06/l...
www.youtube.com
November 6, 2025 at 2:59 PM
Episode 331 - Le retour des jackson 5 #Java #JUnit #Grails #Jackson #Groovy #IA #React #Wasm #UUID #RAG #MCP #NanoBanana #YAML #Documentation #RTO #CloudCode sur youtube www.youtube.com/watch?v=n6UK... et en podcast lescastcodeurs.com/2025/11/06/l...
Just read intro and chapter 1. Good so far. And it says that 1h presentation is 90 hours of work — they don’t talk about code and demos 😅
November 5, 2025 at 1:39 PM
Just read intro and chapter 1. Good so far. And it says that 1h presentation is 90 hours of work — they don’t talk about code and demos 😅
Reposted by Emmanuel Bernard
Les inscriptions sont ouvertes pour la soirée Spring Boot 4 & Passkeys en partenariat avec le Spring meetup.
Par @snicoll.be et @kehrlann.bsky.social
Cher Criteo
Le lundi 10 novembre prochain
www.parisjug.org/events/2025/...
Par @snicoll.be et @kehrlann.bsky.social
Cher Criteo
Le lundi 10 novembre prochain
www.parisjug.org/events/2025/...
Soirée Spéciale Spring
Date et lieu Lundi 10 Novembre 2025 à 19h00 Dans les locaux de Criteo Les sessions sont filmées et le public est photographié. Les photographies sont ensuite publiées sur le site du Paris JUG et autre...
www.parisjug.org
November 5, 2025 at 8:39 AM
Les inscriptions sont ouvertes pour la soirée Spring Boot 4 & Passkeys en partenariat avec le Spring meetup.
Par @snicoll.be et @kehrlann.bsky.social
Cher Criteo
Le lundi 10 novembre prochain
www.parisjug.org/events/2025/...
Par @snicoll.be et @kehrlann.bsky.social
Cher Criteo
Le lundi 10 novembre prochain
www.parisjug.org/events/2025/...