Tentamen Software Testing Blog – Blog that makes software development interesting and exciting.

Attention is all you need

TL;DR I am reading Build a Large Language Model from Scratch and, to deepen my understanding of what I read, I am writing blog posts about the questions that accompany…

Karlo Smid December 23, 2025

Difference between llm and traditional machine learning

llm

TL;DR Currently, I am reading two books: Taking Testing Seriously by Michael Bolton and James Bach, and Build a Large Language Model from Scratch by Sebastian Raschka. I learned about…

Karlo Smid December 21, 2025

Taking Testing Seriously, Chapter 1

rapid software testing

TL;DR I attended the Rapid Software Testing workshop led by Michael Bolton at STP Las Vegas in 2010. It completely blew me away with its many small but powerful pieces…

Karlo Smid December 18, 2025

Elixir Custom Guard could be used as function

elixir

Karlo Smid November 29, 2025

CodeBeam 2025 Berlin Day 2

elixir

TL;DR This is a report on what I learned during the second day of the Code BEAM 2025 conference. After the conference, I attended the Elixir Berlin meetup, which was…

Karlo Smid November 19, 2025

Report on CodeBeam 2025 Berlin first day

elixir

TL;DR Last week, I attended my fourth CodeBeam Europe conference, my third time in Berlin, this time as a speaker presenting a talk about Oban. This post is a report…

Karlo Smid November 13, 2025

An evening with Michael Bolton

events

TL;DR Last week we visited Ljubljana; the reason was Michael Bolton, who was doing consultancy work in the Slovenian capital, and he was very generous to give his talk, “What…

Karlo Smid October 27, 2025

Report on Testival Meetup #76, qa in the era of ai and vibe coding

testival, Uncategorized

Intro Tomislav started with our usual participant introductions. There were more than ten participants, so that part was quick. Tomislav was disappointed with the turnout, but I reminded him: “Quantity…

Karlo Smid October 17, 2025

Report on Testival Zabok 2025

testival

TL;DR Last weekend on the 26th and 27th of September, we had Testival Zabok 2025. In this post you will find session topics that were created by the participants, and…

Karlo Smid October 1, 2025

Look ma, I have 20 million available oban jobs!

elixir, oban

tl;dr In this post, I’ll describe how our team diagnosed and resolved a serious bottleneck when our Oban job queue grew to over 20 million jobs in the “ state—and…

Karlo Smid June 15, 2025

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