Asaduzzaman Pavel

Ten community tools I keep on every NixOS machine.

Continuous aggregates in TimescaleDB looked like a silver bullet for my crypto data performance problems.

Integrating 150+ crypto exchanges revealed systematic fraud: fake volume, ghost liquidity, crawler-aware APIs.

It has been 20 years since I wrote my first PHP script in 2006.

Home Assistant promises local control and privacy, but the reality is a house of cards.

How I actually use sync/atomic for lock-free programming when a mutex is too heavy, and the weird edges you hit along the way.

I thought meta tags were optional until my articles kept getting outranked by thinner content.

Essential Prometheus metrics for applications, servers, and databases.

How to use bitwise flags, bitmasks, and iota for configuration in Go.

The new(expr) syntax in Go 1.26 should have let me delete my generic ptr[T] helpers.

After years of broken updates and configuration drift, NixOS gave me reproducible, declarative Linux.

How I built a custom tmux workflow for Neovim tmux integration and keeping editor and AI assistant in sync, with simple pane navigation and zero friction context switching.

SvelteKit 5 migration looked simple, but the runes mental model caught me off guard.

Practical bash aliases and functions - navigation shortcuts, git helpers, safety nets, and quick config edits I use daily in my terminal workflow.

How I use Nix and direnv to create isolated, reproducible development environments.

Nix errors are famously incomprehensible.

I wasted a weekend on LangChainGo agent frameworks before giving up.

A step-by-step guide to hosting your SvelteKit app on Cloudflare Workers at zero cost.

My first NixOS flake was a 500-line monster.

A look at my first experience with Factorio's Lua API, building a tool to fix the stack size chore.

AI tools let anyone ship fast, but most AI-built products carry hidden risks that surface at the worst time.

How I used Go to automate the tedious part of Factorio's circuit network: building a self-monitoring mall for roboports and spaceships.

Cloudflare Workers are more than just a serverless platform.

A look into implementing a rolling Adler32 checksum in Go, inspired by the rsync algorithm and Andrew Tridgell's research.

Mocks often lie.

A hands-on guide to building production-ready tool-using AI agents in Go using LangChainGo.

The 'Don't Repeat Yourself' principle is often applied too early.

How I actually structure Go microservices.

How I used SvelteKit, Nix, and GitHub Actions to automate my content pipeline, including future-dated posts and a secure preview mode.

How I stopped fighting with terminal history and started using my SSH config as a productivity engine.

Stop hunting for fork URLs and branch names.

Stop reaching for the arrow keys.

I spent $300 and three weekends building a custom mechanical keyboard.

The Neovim keybindings and modal editing workflow that doubled my coding speed — LSP setup, custom keybinds, and a keyboard-first approach to navigating code.