# Stanislav (Stas) Katkov


## Pages

- [Blog](https://www.skatkov.com/blog)
- [Stanislav (Stas) Katkov](https://www.skatkov.com/)
- [/now](https://www.skatkov.com/now.md)
- [OSS Contributions](https://www.skatkov.com/oss)
- [Projects](https://www.skatkov.com/projects.md)

## Posts

- [Mutation testing in the age of LLMs](https://www.skatkov.com/posts/2026-07-01-mutate-all-things.md)
- [Signing and notarizing a Mac app on Linux](https://www.skatkov.com/posts/2026-06-25-signing-and-notarizing-mac-app-on-linux.md)
- [Let it rip](https://www.skatkov.com/posts/2026-02-14-let-it-rip.md)
- [Warning about deprecations in Ruby](https://www.skatkov.com/posts/2025-10-18-warning-about-deprecations-in-ruby.md)
- [Ordering Estonian ID on Linux!](https://www.skatkov.com/posts/2025-09-26-using-estonian-id-s-on-linux.md)
- [From zsh to fish shell](https://www.skatkov.com/posts/2025-07-30-moving-from-zsh-to-fish-shell.md)
- [Software License management with Polar.sh](https://www.skatkov.com/posts/2025-05-11-software-license-management-for-dummies.md)
- [Strange thing about happiness.](https://www.skatkov.com/posts/2024-11-28-strange-thing-about-happiness.md)
- [Coworking in Eindhoven](https://www.skatkov.com/posts/2024-11-22-coworking-in-eindhoven.md)
- [Nothing Phone 2a](https://www.skatkov.com/posts/2024-10-15-nothing-phone-2a.md)
- [Marrying Tailwind with Jekyll](https://www.skatkov.com/posts/2024-09-30-marrying-tailwind-with-jekyll.md)
- [Battling N+1 queries in Rails](https://www.skatkov.com/posts/2024-09-13-battling-n-1-queries-in-rails.md)
- [TIL: Kernel's support for sleep states](https://www.skatkov.com/posts/2024-09-01-kernel-s-support-for-sleep-states.md)
- [Disappearing web and what to do about it.](https://www.skatkov.com/posts/2024-08-16-disappearing-web-and-what-to-do-about-it-1.md)
- [Munster - Webhooks processing engine for Rails](https://www.skatkov.com/posts/2024-06-18-munster-webhooks-processing-engine-for-rails.md)
- [Lenovo Yoga 7 Slim and Linux compatibility](https://www.skatkov.com/posts/2024-05-14-lenovo-yoga-7-slim.md)
- [I sold it, now I have to build it - Posh TUI](https://www.skatkov.com/posts/2022-09-15-i-sold-it-now-i-have-to-build-it-posh-tui.md)
- [Learning Go, was it worth it?](https://www.skatkov.com/posts/2022-08-21-stoic-go.md)
- [First Dutch Culture Shock](https://www.skatkov.com/posts/2022-08-08-dutch-culture-shock.md)
- [Lessons from building another URL shortener](https://www.skatkov.com/posts/2020-03-26-lessons-from-building-another-url-shortener.md)
- [Parenting for dad's](https://www.skatkov.com/posts/2020-01-28-parenting-for-dad-s.md)
- [Progressive Mailchimp sign-up form with Netlify](https://www.skatkov.com/posts/2019-09-23-progressive-mailchimp-sign-up-form-with-netlify.md): building progressive dynamic forms with JAMstack on Netlify
- [Running a newsletter with better metrics](https://www.skatkov.com/posts/2019-09-06-running-a-newsletter-with-better-metrics.md): I found myself running a semi-successful curated newsletter. What metric should I base this business on? Thinking out-loud.
- [Did I waste my time 'launching' on product hunt?](https://www.skatkov.com/posts/2019-03-04-did-i-waste-my-time-launching-on-product-hunt.md): Reflecting on a failed Product Hunt launch. Why did I do this in the first place?
- [Phoenix reborn - open source crypto-exchange Peatio](https://www.skatkov.com/posts/2018-09-03-phoenix-reborn-open-source-crypto-exchange-peatio.md)
- [Fully automated automated testing (doom guy edition)](https://www.skatkov.com/posts/2018-03-18-fully-automated-automated-testing-doom-guy-edition.md)
- [I’m giving away investment strategy at no costs](https://www.skatkov.com/posts/2017-09-11-i-m-giving-away-investment-strategy-at-no-costs.md)