Guillaume Duhan

@guillaumeduhan

Co-Founder, CTO & Freelance

FranceJoined August 2022

About

CTO of Allocations.com, a finance SaaS Miami-based, I am running a YouTube channel: @codewithguillaume. With 15 years of exp. as a freelancer, consultant, and Lead Developer, I have led dozens of engineering teams across Paris, London, and Berlin. I am father of 2 and I live in Dubai.

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Guillaume Duhan's blogs

@codewithguillaumeguillaumeduhan.hashnode.dev78 posts

Apprendre Supabaseapprendre-supabase.hashnode.dev17 posts

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Recently published

GDGuillaume Duhanguillaumeduhan.hashnode.devNov 30, 2025 · 4 min read

How to Set Up Dark Mode with TailwindCSS 4

TailwindCSS 4 introduced a major shift in how themes, tokens, and variants work.And one of the biggest changes: dark mode no longer works out of the box. If you upgraded from Tailwind 3 to 4, you probably noticed this instantly: dark:bg-black does n...

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GDGuillaume Duhanguillaumeduhan.hashnode.devApr 1, 2025 · 5 min read

I've build permissions for my Next.js 15 app with Permit.io

In this article, I’ll walk you through all the steps to integrate and manage fine-grained permissions in your application using Next.js, Permit.io, and the Permit SDK. By the end of this tutorial, you’ll be able to create a fully working permission s...

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GDGuillaume Duhanguillaumeduhan.hashnode.devDec 6, 2024 · 4 min read

Les différents modèles de récupération de données dans React

Note: Cet article se concentre sur les modèles de récupération de données dans les composants React, aussi bien côté client que côté serveur. Il est important de préciser que cet article n'aborde pas les différentes méthodes de récupération des don...

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GDGuillaume Duhanguillaumeduhan.hashnode.devAug 24, 2024 · 3 min read

How to Create a Search Bar with React: A Step-by-Step Guide

Step 1: Setting Up the Component Structure We’ll create three components: Search: This component will handle the search input. List: This component will display the filtered list of items based on the search query. SearchPage: This is the main com...

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GDGuillaume Duhanguillaumeduhan.hashnode.devJul 15, 2024 · 2 min read

Quick start guide Next.js with Auth0

https://www.youtube.com/watch?v=a_qbqpDifXM Install @auth0/nextjs-auth0 npm i @auth0/nextjs-auth0 // create .env file # Every value here is available under your application dashboard # A long, secret value used to encrypt the session cookie AU...

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Guillaume Duhan

About

Available for

Guillaume Duhan's blogs

Recently published

How to Set Up Dark Mode with TailwindCSS 4

I've build permissions for my Next.js 15 app with Permit.io

Les différents modèles de récupération de données dans React

How to Create a Search Bar with React: A Step-by-Step Guide

Quick start guide Next.js with Auth0

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Guillaume Duhan

About

Available for

Guillaume Duhan's blogs

Recently published

How to Set Up Dark Mode with TailwindCSS 4

I've build permissions for my Next.js 15 app with Permit.io

Les différents modèles de récupération de données dans React

How to Create a Search Bar with React: A Step-by-Step Guide

Quick start guide Next.js with Auth0