Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22

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DevOps PART 04

Inside a Git Commit: Snapshots, Objects and Hashes

We open commit, tree and blob objects with git cat-file to see that a commit is a snapshot, not a diff, compute a hash by hand with shasum and find out why an unchanged file is not stored twice. We cover the rules of a good commit message and why git commit --amend creates a new commit.

6 Nov 2026 10 min 8

DevOps PART 03

Your First Git Repo: git init, the Staging Area and the First Commit

We build the bookstore repo from scratch with git init and take a first look inside the .git folder. We walk through the working tree, staging area and repository with git status, git add and git commit, and learn to read the two columns of status -s and why an MM file commits its staged version.

6 Nov 2026 9 min 9