---
title: "Theodore Karropoulos (@TKarropoulos) | Hashnode"
description: "Software Engineer. Read the latest articles by Theodore Karropoulos on Hashnode."
url: "https://hashnode.com/@TKarropoulos"
---

@TKarropoulos

# Theodore Karropoulos

@TKarropoulos · Athens, Greece · Joined August 2021

Software Engineer

### [My list of useful git commands](https://tkarropoulos.hashnode.dev/my-list-of-useful-git-commands?utm_source=hashnode&utm_medium=feed)

A list of my top and useful git commands

2 min read · [tkarropoulos.hashnode.dev](https://tkarropoulos.hashnode.dev/my-list-of-useful-git-commands?utm_source=hashnode&utm_medium=feed)

[Dec 13, 2021](https://hashnode.com/posts/my-list-of-useful-git-commands/61b7b0ef0059f90a57a578b7)

### [Lazy Loading in C#](https://tkarropoulos.hashnode.dev/lazy-loading-in-c?utm_source=hashnode&utm_medium=feed)

An example on C# Lazy loading and initialization

3 min read · [tkarropoulos.hashnode.dev](https://tkarropoulos.hashnode.dev/lazy-loading-in-c?utm_source=hashnode&utm_medium=feed)

[Dec 11, 2021](https://hashnode.com/posts/lazy-loading-in-c/61b49ffbb18f1f0c68300de6)

### [Boxing and Unboxing in C#](https://tkarropoulos.hashnode.dev/boxing-and-unboxing-in-c?utm_source=hashnode&utm_medium=feed)

What is boxing and unboxing in c#

1 min read · [tkarropoulos.hashnode.dev](https://tkarropoulos.hashnode.dev/boxing-and-unboxing-in-c?utm_source=hashnode&utm_medium=feed)

[Oct 9, 2021](https://hashnode.com/posts/boxing-and-unboxing-in-c/61618e778e8734462af5fb1a)

### [Creating Custom Middleware in ASP.Net Core](https://tkarropoulos.hashnode.dev/creating-custom-middleware-in-aspnet-core?utm_source=hashnode&utm_medium=feed)

A guide on how to create Custom Middleware in ASP.Net Core

2 min read · [tkarropoulos.hashnode.dev](https://tkarropoulos.hashnode.dev/creating-custom-middleware-in-aspnet-core?utm_source=hashnode&utm_medium=feed)

[Oct 2, 2021](https://hashnode.com/posts/creating-custom-middleware-in-aspnet-core/6158214e421fd403e70fd248)

### [Dependency Injection Lifetime in .NET](https://tkarropoulos.hashnode.dev/dependency-injection-lifetime-in-net?utm_source=hashnode&utm_medium=feed)

A guide on .NET dependency injection lifetime

2 min read · [tkarropoulos.hashnode.dev](https://tkarropoulos.hashnode.dev/dependency-injection-lifetime-in-net?utm_source=hashnode&utm_medium=feed)

[Sep 23, 2021](https://hashnode.com/posts/dependency-injection-lifetime-in-net/614ce44e544e242e0c93f91b)