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Piotr Karasiński

# Hi, I'm Piotr. ====================You don't look for ready-made solutions. You understand problems.I don't have an engineering degree before my name, I haven't been through the corporate assembly line, and I have no intention of pretending to be someone I'm not. I am a Python developer and an advanced Arch Linux user. Everything I know, I figured out myself—through thousands of hours spent in the terminal, debugging code late at night, and tearing systems down to their bare bones until I understood how they work under the hood.I built this blog because I know exactly what it feels like to hit a dead end as a self-taught developer.My Perspective (I use Arch, btw) ----------------------------------My approach to programming and operating systems was shaped by Arch Linux. When you configure a system from a clean TTY, you stop fearing the unknown and start controlling every single process. I apply the exact same rigor to code. I'm driven by raw performance, task automation (Meta-Prompting, AI Engineering), and squeezing the absolute maximum out of the tools at my disposal.Practical Areas| Domain | What I actually do | | :--- | :--- | | **Python Integration** | Writing clean, production-ready code (AsyncIO, advanced scripting, process automation) | | **Realtime Engines** | Developing projects using the Panda3D engine (optimizing real-time logic and rendering) | | **System & Workflow** | Arch Linux (Terminal-first approach, package management, repetitive task automation) | | **AI Workflows** | Building advanced prompts (Meta-Prompting) and code-level LLM integration via MCP |Who is devmindset.dev for? -----------------------------DevMindset.dev was built for developers and advanced self-taught programmers who have hit a plateau on their journey. It's for people who have already mastered the basics, can build an application, but feel like they've hit a wall and refuse to settle for "it just works."If you are tired of tutorials explaining for the hundredth time how a `for` loop or a Docker container works, this is the place for you. Here, we dive deep into topics that actually drive growth:Multi-stage builds and cgroups orchestration in practice. Analyzing process behavior under extreme load. Solving architectural problems that self-taught developers usually have to tackle alone.The blog is sustained by Google AdSense ads. This allows me to remain completely independent of any sponsors and publish exactly what I believe is valuable for your technical growth.Beyond Code ----------I carry the analytical mindset and determination of a self-taught developer into other areas that require absolute focus:Music: I play classical guitar (fingerstyle), dissecting pieces based on modal scales. Nature & Strategy: I practice spinning and ground fishing. Targeting pike and tench is a process full of variables for me—pure outdoor strategy. Dynamics: I clock miles on my bike, monitoring cadence and optimizing gear ratios for maximum efficiency.I believe that the precision required to master a complex piece of music or to rig the perfect fishing setup calls for the exact same type of focus that allows you to write flawless code.> Let's go deeper. If you've hit a wall in your learning, are looking for raw technical substance, and want to start understanding systems like an Arch user—you're in the right place.

Reading Other People’s Code — How to Do It Faster Than You Wrote Your Own

2026-05-24 by Piotr Karasiński
Strategy for reading other people's code — terminal showing git log, grep TODO/FIXME, ctags, and entry point to call graph approach

Reading other people’s code separates juniors from seniors. Most developers read code like a novel — and get lost. Learn to read systematically: entry points, callsites, grep before LSP, git as a navigation tool.

Categories Developer mindset Tags mindset, problem solving, programming, reading code Leave a comment

What fork() in Linux Really Does — And Why It Matters More Than You Think

2026-05-302026-05-22 by Piotr Karasiński
Linux fork() system call demonstration with strace output, process tree, and Copy-on-Write semantics on Arch Linux

fork() in Linux isn’t just process copying. It’s one of the cleverest kernel mechanisms — Copy-on-Write, shared file descriptors, inherited mutexes. Find out what really happens under the hood.

Categories Linux Tags fork, kernel, linux, operating systems, processes, systems programming Leave a comment

Why Most Developers Debug Wrong — Debugging Like a Developer

2026-05-302026-05-22 by Piotr Karasiński
Debugging methodology with gdb backtrace, strace memory analysis, and Hypothesis to Reproduce to Prove workflow on Arch Linux

Debugging like a developer means thinking, not guessing.
Most engineers debug by trial and error — that’s gambling
with production code. Learn how to form hypotheses, find
root causes, and stop chasing symptoms.

Categories Developer mindset Tags debugging, mindset, production, programming Leave a comment
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