New Blog At mikehadlow.com
This is my last post here at Code Rant. From now I will be posting at mikehadlow.com. I've written a post on my new blog here explaining the reasons. Thanks for visiting Code Rant and please take a...
View ArticleC# preprocessor directive symbols from the dotnet build command line via...
Invoking the C# compiler directly allows one to pass in symbols for the preprocessor via a command option (-define or -d). But it's not at all obvious how to do this with the dotnet build command....
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Restoring from an Azure Artifacts NuGet feed from inside a Docker Build
If you are using Azure DevOps pipelines to automate building your .NET Core application Docker images, it's natural to also want to use the DevOps Artifacts NuGet feed for your internally hosted NuGet...
View ArticleA Framework to DotNet Core Conversion Report
An experience report of converting a large microservice platform from .NET Framework to dotnet core.Background For the last year or so I’ve been working with company that maintains a significant...
View ArticleWhy Containers are a Game Changer for Software Development
I originally wrote this piece as of part of a paper evaluating container technology for a client.This document describes container technology, best represented by Docker. Containerization is a game...
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Decoupling, Architecture and Teams
This article discusses the relationship in software development between code organisation and social organisation. I discuss why software and teams do not scale easily, lessons we can learn from...
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Visual Programming - Why it’s a Bad Idea
Note. This post had a great response on Reddit with over 300 comments. I’ve added an update section to the end of this post to address some of the main criticisms.A visual programming language is one...
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What I Learnt Creating Guitar Dashboard: SVG, TypeScript and Music Theory.
Guitar Dashboard is a side project I’ve been working on occasionally over the past two years. It’s an open source web application (you can find it at http://guitardashboard.com/ and the code at...
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The Possibilities of Web MIDI With TypeScript
If you’ve ever had any experience with music technology, or more specifically sequencers, keyboards or synthesisers, you will have come across MIDI (Musical Instrument Digital Interface). It’s used to...
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Configure AsmSpy as an external tool in Visual Studio
AsmSpy is a tool I wrote a few years ago to view assembly version conflicts. Despite the fact that it started as a single page of code command line application, it’s been one of my more successful open...
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Running The KestrelHttpServer On Linux With CoreCLR
Being both a long-time .NET developer and Linux hobbyist, I was very excited about the recent ‘go live’ announcement for CoreCLR on Linux (and Windows and Mac). I thought I’d have a play with a little...
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Learn To Code, It’s Harder Than You Think
TL;DR: All the evidence shows that programming requires a high level of aptitude that only a small percentage of the population possess. The current fad for short learn-to-code courses is selling...
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Partial Application in C#
My recent post, C# Program Entirely With Static Methods, got lots of great comments. Indeed, as is often the case, the comments are in many ways a better read than the original post. However, there...
View ArticleC#: Program Entirely With Static Methods
OK, that’s a provocative title to get your attention. This post is really about how one can move to a more functional programming style and remove the need for much of the apparatus of object-oriented...
View ArticleC#: How to Record What Gets Written to or Read From a Stream
Streams are a very nice abstraction over a read/write loop. We can use them to represent the contents of a file, or a stream of bytes to or from a network socket. They make it easy to read and write...
View ArticleInject DateTime.Now to Aid Unit Tests
If you have logic that relies on the current system date, it's often difficult to see how to unit test it. But by injecting a function that returns DateTime.Now we can stub the current date to be...
View ArticleA Simple Nowin F# Example
In my last post I showed a simple F# OWIN self hosted server without an application framework. Today I want to show an even simpler example that doesn’t reference any of the Microsoft OWIN libraries,...
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Basic OWIN Self Host With F#
I’m still very much an F# noob, but yesterday I thought I’d use it to write a little stub web service for a project I’m currently working on. I simply want to respond to any POST request to my service....
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The Lava Layer Anti-Pattern
TL:DR Successive, well intentioned, changes to architecture and technology throughout the lifetime of an application can lead to a fragmented and hard to maintain code base. Sometimes it is better to...
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Hire Me
I’m on a sales drive. I want to move away from daily-rate contracting, and focus on full-lifecycle project delivery. I’ve created a new website to help market myself http://mikehadlow.com/. I’m looking...
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