Paul Roy

Paul Roy

Previously CTO of Collibris, a .NET developper and a cheerful geek (Powerlifting, Music, Magic, …).

📍 Grenoble https://www.pa-roy.com

.NET Microservices : Service Discovery (Part 3: Configuring Commands HTTP Service to Consul and consuming it)

Hello again on this third part of our Service Discovery tutorial for .NET core Microservices. If you haven't seen the beginning of the series I recommand you check the first post about Consul & RabbitMQ and the second post about .NET code to access services with Consul, along with the base

.NET Microservices : Service Discovery (Part 2: Reaching RabbitMQ through Consul)

Welcome back on this blog for the part 2 of my series regarding Service Discovery for .NET Services. If you haven't seen the beginning of the series I recommand you check the first post, along with the base course from Les Jackson. This post is part of a whole: * .NET

.NET Microservices : Service Discovery (Part 1: Consul & RabbitMQ Deployment)

Hey there, it's been a long time! I have discovered a few monthes ago the AMAZING course by Les Jackson about microservices with .Net Core. I cannot recommand it enough, it's a freaking gold mine and a pleasure to watch and to develop alongside this incredible teacher. And it's entirely

EFCore: Raw Sql Query with custom types

Hi everyone! It has been too long since I posted on this blog. Here is a small article about a workaround I had to do using ASP.Net Core and its Entity Framework Core (EFCore). A very useful method on Entity Framework is the raw sql query with a custom

Xamarin Forms Dictionary To Value Converter

Hi there! Wanna map a set of keys to a set of values? You do not want to create a specific converter for each use-case? I find that normal. Do not let anyone tell you otherwise. Introducing the brand new DictionaryToValueConverter: public class DictionaryToValueConverter : IValueConverter { public IDictionary

Xamarin Forms Lambda To Boolean Converter

Hi there! Ever had the issue to convert a more or less complex lambda expression into a boolean in a Xamarin Forms view? Like « I want to show something only for a property that matches my condition »? Ever had the error: System.ArgumentException: Invalid expression type? /!\ Warning: this article could

Azure App Services Custom Auth (Part 3: client authentication)

Hi there! How have you been? Happy new year to all of you! It is time to get to the third (already!) part of these blog posts about Azure App Services Custom Authentication. We will now be talking about the client-side authentication. Again, this post is part of a whole:

Azure App Services Custom Auth (Part 2: server authentication)

Hello again everyone! I hope the first part was interesting enough, on this second part we are going to introduce the authentication by token part. Once again, this post is part of a whole: * Azure App Services Custom Auth (Part 1: user management) * Azure App Services Custom Auth (Part 2:

Azure App Services Custom Auth (Part 1: user management)

Greatings everyone! I have spent a lot of time making a custom auth work on Azure App Services with a .NET backend. And it is about time I share this, as many users need it. I first published a working custom auth around April 2015, on a version of App

Device.OnPlatform<T>(Default)

Xamarin Forms is an amazing framework despite a lot of bugs. It gets better each time it is updated and I am pretty confident it will be mature enough to build any app in a close future, providing you have the time and experience to do so. But as all