Scott Hannen articles - 38 total
Reflections and Corrections
If you’re reading this, perhaps you’ve found something on this blog interesting or helpful. Odds are...
Hexagonal/Ports and Adapters Architecture Part II
Summary of Part I The previous post introduced some basics of Ports and Adapters...
Hexagonal/Ports and Adapters Architecture Part I
Hexagonal architecture is not a complex concept to understand, but that’s only true once we...
Don't Use Random Numbers in Unit Tests
Have you ever seen unit tests that generate random input values to ensure that the code works with a...
The Multidimensional Developer
Hopefully we’re past talking about the 10x developer. No one knows what it means except that if...
Simplify .NET Development With Fewer Projects and Solutions
I’m trying to write shorter blog posts so that perhaps I’ll produce more. Two ways in which we...
SOLID Principles Expressed as Rules
Rules are specific applications of principles. We can and must apply principles without rules, but...
ASP.NET Core TestServer - How Did I Not Know About This?
I’ve been looking for ways to write better integration tests. My previous set of experiments proved...
Don't POOP - The Partial/Optional Object Population Anti-Pattern
The Partial/Optional Object Population (POOP) anti-pattern occurs when have a class with multiple...
Splitting Large Interfaces Into Smaller Ones Is Easy
There are so many problems with big interfaces, that is, interfaces with lots of methods. A big...
Suggestions for Overcoming Impostor Syndrome and Anxiety
Wikipedia defines impostor syndrome as a psychological pattern in which an individual doubts their...
Consistency is Our Friend and Enemy
Have we heard this argument when discussing disagreements involving code? We need to make new code...
Our Dependencies Point the Wrong Way - The Dependency Rule Points Them The Right Way
In his article The Clean Architecture Bob Martin describes the Dependency Rule. This post will apply...
Sometimes It's Easier to Mock Without Moq
I like Moq. It’s easy to use and it’s used frequently enoughthat developers are familiar with it. But...
No, MediatR Didn't Run Over My Dog
I’m slightly concerned that this could be taken as some animus-driven screed against MediatR. But...
Improve Your Stack Overflow Questions With Unit Tests
Suppose you’re trying to write code to solve this problem: I’ve got a start date and end date. I wa...
Why Estimation Is Always a Guess
The best estimate we can provide for non-trivial development is always an educated guess made in good...
Agile is Difficult Because of Difficulty
Why Agile is Difficult
Negative Stack Overflow Feedback Is Good For You
The intent of negative Stack Overflow feedback may not be as bad as it feels. What we learn from it is invaluable.
Survey - When Do You Stop Taking Responsibility?
Let me clarify by describing four scenarios in which you are tasked with some software development. I...
Toxic Dev Rant
This is the MVP for an idea I've been tossing around. I'm a positive, constructive guy. But sometimes...
Untestable Code Knows No Mercy
Your code doesn't know or care why it's untestable.
The Interface Segregation Principle Applied in C#/.NET
Practical application of the Interface Segregation Principle in C#/.NET
String Interpolation Functions vs. string.Format Constants
Have you ever done this, perhaps to construct a URL or something similar? I hav...
The Liberation of Pure DI (plus a bonus rant about MEF, which is not an IoC container)
It's important to know the distinction between dependency injection and using a...
Mandatory Copy and Paste
I think most skilled developers understand why copying and pasting code is a ho...
How I Learned to Stop Worrying and Love the Service Locator
Service locators are evil, but sometimes we can use them as a bridge between legacy and new code.
Stack Overflow Isn’t Very Welcoming. It’s Time for That to Change.
There was a thread here about some of the perceived hostility or unfriendliness toward new developers...
Invalid Reasons for Ignoring Code Metrics and Analysis
Here's an embarrassing but true story: For the first several years that I developed using .NET I wrot...