Нотатки, експерименти, доповіді.https://yermilov.github.io/uk-UAhttps://yermilov.github.io/ua/blog/ai-coding-in-education/https://yermilov.github.io/ua/blog/ai-coding-in-education/Чотири АІ-позитивні афірмації для студентів і викладачів: чому ігнорувати клод код у навчанні так само ризиковано, як і покладатися виключно на нього.Tue, 03 Feb 2026 00:00:00 GMTai-codingeducationhttps://yermilov.github.io/ua/blog/yakisna-tehnichna-strategiya/https://yermilov.github.io/ua/blog/yakisna-tehnichna-strategiya/Три кроки підготовки технічної стратегії, відточені на документах, що задавали напрямок організації із 10 команд та 50 інженерів: оцінка стейкхолдерів, оформлення документу і застосування на практиці.Fri, 19 Sep 2025 00:00:00 GMTleadershipstrategyhttps://yermilov.github.io/ua/blog/mcp-considered-harmful/https://yermilov.github.io/ua/blog/mcp-considered-harmful/MCP tool definitions get preloaded into the context window — they take valuable space, distract the model, and cost you money. Here is when they help and when they hurt.Mon, 01 Sep 2025 00:00:00 GMTai-codingclaude-codehttps://yermilov.github.io/ua/blog/guiding-team-processes-with-chatops/https://yermilov.github.io/ua/blog/guiding-team-processes-with-chatops/Five on-call automations and the lessons each one taught us about scripting team behaviour without losing what made the kitchen-table culture work.Fri, 08 Dec 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/7-tips-for-javadocs-publishers-plus/https://yermilov.github.io/ua/blog/7-tips-for-javadocs-publishers-plus/I had to publish Javadocs as a web page for the first time in my 12-year career. Here are seven tricks I picked up along the way — plus a take on when it's actually worth doing.Fri, 17 Nov 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/halloween-special-two-development/https://yermilov.github.io/ua/blog/halloween-special-two-development/Two debugging detective stories — one suspicious log line, one mysterious slowdown — and the surprise villains they revealed.Tue, 31 Oct 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/java-version-upgrade-is-not-as-simple/https://yermilov.github.io/ua/blog/java-version-upgrade-is-not-as-simple/What "Java version" really means, when an upgrade actually pays off, and a concise decision framework with a worked example from my team's day-to-day.Fri, 20 Oct 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/chatops-that-was-lost-and-found-in/https://yermilov.github.io/ua/blog/chatops-that-was-lost-and-found-in/Automations for development processes unveil hidden complexity in such trivial things you could never imagine there would be any problems. Believe me, today I will talk about a task to print a date and a time.Fri, 22 Sep 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/a-couple-of-attempts-of-sharing-knowledge/https://yermilov.github.io/ua/blog/a-couple-of-attempts-of-sharing-knowledge/How do you spread small, regular bits of team knowledge that don't deserve a wiki page each? Two experiments — a Slack bot and a Gradle build hook — and what worked.Fri, 08 Sep 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/full-control-over-spotless-java-code/https://yermilov.github.io/ua/blog/full-control-over-spotless-java-code/Spotless ships with two opinionated defaults — Google's and Palantir's Java style. Here's how to skip both and get full control over every formatter knob via Eclipse-exported configuration.Fri, 25 Aug 2023 00:00:00 GMThttps://yermilov.github.io/ua/blog/groovy-static-sites-with-grain/https://yermilov.github.io/ua/blog/groovy-static-sites-with-grain/The first option I considered when I decided to start up this blog was to use static site generator, and Jekyll as the most popular one was an obvious choice.Tue, 27 Jun 2017 00:00:00 GMThttps://yermilov.github.io/ua/blog/gpars-eratosthenes-and-sieve-of-concurrency/https://yermilov.github.io/ua/blog/gpars-eratosthenes-and-sieve-of-concurrency/When there is a need to make sequential code concurrent, there are two major options. First one is to take the original code as is, divide it between multiple executors, protect a mutable state from concurrent access, do…Thu, 25 May 2017 00:00:00 GMThttps://yermilov.github.io/ua/blog/tiebreaker-regarding-java-hashmap-treenode-and-tiebreakorder/https://yermilov.github.io/ua/blog/tiebreaker-regarding-java-hashmap-treenode-and-tiebreakorder/On the latest JUGUA meeting Igor Dmitriev has delivered a talk about minor, behind the scenes changes in JDK.Fri, 24 Feb 2017 00:00:00 GMThttps://yermilov.github.io/ua/blog/using-jekyll-asciidoctor-and-github-pages-for-static-site-creation/https://yermilov.github.io/ua/blog/using-jekyll-asciidoctor-and-github-pages-for-static-site-creation/After I decided to start write things down, the first tool that I found for this task was Jekyll - a static site generator supported by GitHub Pages.Mon, 20 Feb 2017 00:00:00 GMThttps://yermilov.github.io/ua/blog/spock-talk/https://yermilov.github.io/ua/blog/spock-talk/A long-form companion to the JEEConf 2016 talk: a tour through Spock framework features compared to JUnit, JUnit 5, TestNG, Hamcrest, AssertJ and Mockito — with the pragmatic and emotional answer to whether you should use Spock in 2016.Tue, 08 Nov 2016 00:00:00 GMTtestinggroovyjvm