Oleksii Holub articles - 16 total
Prefer Fakes Over Mocks
The primary purpose of software testing is to detect any potential defects in a program before it rea...
Pure-Impure Segregation Principle
About two months ago I published an article titled "Unit Testing is Overrated" where I shared my thou...
Unit Testing is Overrated
The importance of testing in modern software development is really hard to overstate. Delivering a su...
Simulating Return Type Inference in C#
Above everything else in software development, I really enjoy building frameworks that enable other d...
💻 CliWrap — Execute Shell Commands with Extensive Support for Piping
Hey there! Recently I've been working on an update for my library, CliWrap, which can be used to aut...
Working with Expression Trees in C#
Expression trees is an obscure, although very interesting feature in .NET. Most people probably think...
Refactoring C# code using partial classes
As our code grows, we regularly find ourselves seeking new ways to keep it well structured and organi...
CliFx - opinionated framework for building CLI applications
Hi! Recently I've been working on an application framework for building command line interfaces and...
Interview question: async & await (C#)
Q: What is the purpose of async/await keywords? These keywords allow writing asynchronous non-blocki...
Formatting XAML files on build with XAMLStyler
Recently, I've decided to switch from Visual Studio to Rider as my default .NET development environme...
Parsing in F# with FParsec
Two months ago I wrote an article about monadic parser combinators in C# and how you can use this app...
💡 LightBulb v2 released!
After over a year since last release and long months full of work, I'm happy to release LightBulb v2...
Monadic parser combinators in C#
The concept of parsing has always seemed very complicated to me. I thought that to work in this area...
Interview question: how do nullable value types work? (C#)
Nullable<T> and Nullable This is another post in the series "Interview questions" wh...
Interview question: heap vs stack (C#)
Preface Recently I've made myself unemployed and for a few weeks now I'm frequently doing...
Creative use of extension methods in C#
I'm sure everyone with at least some background in C# is aware of extension methods -- a nice feature...