I can almost hear you thinking: “What super-weird problem are you trying to solve!?” Well… it is kind of an abstract one! Imagine you have a dictionary of objects and a separate list of keys in a certain order. Now suppose you want an ordered dictionary based on the list of keys.
Read the article Sorting a Dictionary on a List of Keys
Slack is fully awesome. At Wehkamp we use it for our internal communication and as a tool for our DevOps. The Slack API allows us to build even more advanced integrations. In this blog I’ll explore how to use the API to create powerful progress indicators by updating a Slack message.
Read the article Building an updatable Slack message
To give teams a jump start we’ve created the bot-zero open source project. It solves some setup and development problems. In this blog I’ll show how to get up and running in minutes and I’ll explain some of the choices we’ve made.
Read the article Jump-starting Slack bot projects: bot-zero
When you are used to building web applications, you kind of get hooked on the ease of Dependency Injection (DI) and the way settings can be specified in a JSON file and accessed through DI (IOptions). It’s only logical to want the same feature in your Console app.
Read the article Dependency injection (with IOptions) in Console Apps in .NET
One of the big advantages of the .Net regular expression implementation is named groups. Today I want to show how to leverage named regular expression groups to build a routing constraint that will map each group value to a named route value.
Read the article .NET Core MVC: regex routing with named groups
Lately we’ve been playing around with ChatOps at Wehkamp. We added a Hubot to our Slack channels to automate some operational jobs. It makes work more fun and way easier. As it is hosted in our own infrastructure, it can interact with our micro-services. In this article I explore how to use ES6 and a Promise to implement a call to a simple web-service.
Read the article Hubot + ES6 + Promises
Linq is a wonderful way to work with lists in C#. This article focuses on how you can create a round robin ordering for segments of your list. It will distribute items of each segment evenly over the list.
Read the article Linq: round-robin ordering based on segments
Having a diagram of how your C# projects interlink, can be a big help. I’ve created a small PowerShell script that will produce the diagram based on the .csproj files in a directory. It will generate Yuml.me diagrams based on the dependencies!
Read the article Draw .Net Core project relations with PowerShell and yUML
Use a writable computed observable to validate incoming values and prevent invalid data from reaching your Knockout model.
Read the article Reject Invalid Values in Knockout Observables
In a previous article I wrote how to parse Roman Numerals in C#. This article focuses on how to calculate with the class in an intuitive way. It will show how to implement implicit casting and the addition and subtraction operator overloads. Fun stuff that’s probably useful in other projects.
Read the article Calculations with Roman Numerals using C#