Sven Weidauer

121 Followers
222 Following
40 Posts

Software developer. Currently using #PHP and the #Symfony framework. Also some #React and #TypeScript for the frontend if I have to. Previously iOS and Android using #Swift and #Kotlin. Hopefully my future will contain more #Rust.

Outside of work I’m a #Metalhead, into #3dPrinting, #electronics, #selfhosting and so on.

bloghttps://5sw.de/
Codehttps://git.5sw.de/Sven

I consider writing software a kind of craftsmanship. It's important to me to think through what I build, to consciously make design decisions based on knowledge and the existing problem space. To understand why things work (or not!) and be able to solve problems as they come up. To keep things readable, understandable, maintainable.

In the end, I want to be proud of what *I* build.

Retro C++ quiz #56

Given the following in C and C++ (assume correct header is included):

int main(void) {
int n = sizeof(0)["abcdefghij"];
printf("%d\n",n);
}

Without checking, assuming LP64, what’s the result:

C | C++
=========
A. 1 | 1
B. 101 | 101
C. 1 | 101
D. 101 | 1

#Cplusplus
#Cpppolls
#Programming

A
20%
B
46.7%
C
26.7%
D
6.7%
Poll ended at .
I scored 13/21 on https://e-mail.wtf and all I got was this lousy text to share on social media.
Email is Easy

Everyone knows what an email address is, right?

e-mail.wtf

@tante I understand the sentiment, it is so very, very tiring.

Yet, I hold out hope, because I have seen the future.

Our twins are second year in elementary, their teacher used to use ChatGPT to give them homework. The assignments were full of misspellings and other errors (ChatGPT sucks at Hungarian). We helped the kids correct those mistakes, and when they showed their homework, the teacher saw the red lines under the mistakes, and the corrections - also in red. Kids didn't say anything. Didn't call her out. They made her uncomfortable.

By the next week, the entire class was doing this, and the teacher stopped using ChatGPT. By the end of the month, the entire school was having great fun correcting AI mistakes.

Today, "AI", for the kids, is synonymous with "liar", "idiot", "wrong", "bad". And they teach it to their parents. I've seen some of them turn, and it's becoming harder and harder to be pro-AI in our little town. Being one is considered ridiculous.

It's a small thing. But it gives me hope.

*Sigh* another day, another unfollow because someone I thought should know better turns out to be just another LLM fanboy
Take me down to parallax city
Where the back moves slow and the front moves quickly
The abbreviation people use for AI in German is "KI". Which stands for "Keine Intelligenz" (no intelligence)
Big Tech doesn't care if you want AI or not. They should.

George Clooney is an actor.

Put him in the role of a surgeon in front of a camera, and he will do and say things the average non-surgeon viewer will agree are surgeonish. After an hour of that, we are, as average non-surgeon viewers, satisfied and entertained.

Put him in an operating theatre, and the patient will fucking die because he's not a surgeon and knows nothing about really doing surgery.

This is a post about LLMs.

I've completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode https://adventofcode.com/2025/day/1

Not so proud of my solution, but my #Rust is a bit rusty (sorry, pun intended) and I’m too tired to think about math.

Day 1 - Advent of Code 2025