A little blog to share what I have learned todayhttps://blog.dertimonius.dev/https://blog.dertimonius.dev/posts/til-39/https://blog.dertimonius.dev/posts/til-39/Leverage the gh cli without the need of using external actions to get what files changed and what comments were made on a pull requestMon, 25 May 2026 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-38/https://blog.dertimonius.dev/posts/til-38/It was about time that I came up with an idea for a package. Even if it's a small one.Wed, 04 Mar 2026 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-37/https://blog.dertimonius.dev/posts/til-37/How migrating our internal search engine made fixing bugs easier and increased overall developer experienceTue, 17 Feb 2026 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-36/https://blog.dertimonius.dev/posts/til-36/Once you finally understood how to leverage generics, you can build the wildest TypeScript type helpersSat, 12 Jul 2025 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-35/https://blog.dertimonius.dev/posts/til-35/Type indexing and template literals lead to the creation of the most satisfying and useless TypeScript type I ever wroteWed, 11 Jun 2025 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-34/https://blog.dertimonius.dev/posts/til-34/When you get some superficial knowledge of enums in TS, they seem like a good idea. When you start to dig a bit deeper, oh boy...Sun, 01 Jun 2025 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-33/https://blog.dertimonius.dev/posts/til-33/It's time to look back at the last 12 months and check what I have learnedSun, 29 Dec 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-32/https://blog.dertimonius.dev/posts/til-32/Its simplicity and tools like bubbletea or huh make it irresistable to not use Go for small CLIsWed, 04 Dec 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-31/https://blog.dertimonius.dev/posts/til-31/Is following the TDD standard really a waste of time or am I just wrong?Sun, 17 Nov 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-30/https://blog.dertimonius.dev/posts/til-30/Since I did not necessarily learn large things, here is a list of small items I learnedMon, 09 Sep 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-29/https://blog.dertimonius.dev/posts/til-29/Why it makes sense for anesthesiologists to be responsible and why devs are notMon, 22 Jul 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-28/https://blog.dertimonius.dev/posts/til-28/How getting familiar with various CLI tools helped me feel at home in the terminalTue, 16 Jul 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-27/https://blog.dertimonius.dev/posts/til-27/How I spent too much time reverse engineering React to Svelte, just for some smooth animationsWed, 08 May 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-26/https://blog.dertimonius.dev/posts/til-26/In a desperate attempt to prove your software engineering prowess, you should trade your GUI editor for a glorified text adventure game, all while chasing the elusive dream of becoming a real programmer with a perfectly curated Neovim setup and a luscious mustache.Wed, 10 Apr 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-25/https://blog.dertimonius.dev/posts/til-25/Open source maintainers are under a lot of stress. The xz backdoor and its social engineering to execute it showed us the possible repercussions.Tue, 02 Apr 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-24/https://blog.dertimonius.dev/posts/til-24/Sometimes it's better to build the tools you need yourself. You will learn a lot along the way!Sun, 24 Mar 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-23/https://blog.dertimonius.dev/posts/til-23/While testing your code is a great thing, useless end-to-end testing can be cumbersome. Here's how I leveraged tags to only run certain tests in PRs!Tue, 12 Mar 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-22/https://blog.dertimonius.dev/posts/til-22/It's not just the callback queue. It's macrotask vs microtask queue!Thu, 07 Mar 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-21/https://blog.dertimonius.dev/posts/til-21/When I needed a specific action to add in my workflow, I could not find a good one. So I wrote it myself - here is how!Wed, 14 Feb 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-20/https://blog.dertimonius.dev/posts/til-20/as, as const, satisfies - different ways to type variables in TypeScript. What's the best way?Thu, 25 Jan 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-19/https://blog.dertimonius.dev/posts/til-19/After using REST and GraphQL APIs, it's time to try a different approach of data fetchingSun, 14 Jan 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-18/https://blog.dertimonius.dev/posts/til-18/Lots of people with Covid suffer from cognitive impairment of variable degrees. But how exactly does the virus cause these issues?Thu, 04 Jan 2024 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-17/https://blog.dertimonius.dev/posts/til-17/Solving more Advent of Code puzzles, but most importantly getting to know how to parse string with nomSun, 10 Dec 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-16/https://blog.dertimonius.dev/posts/til-16/JavaScript is used as a source for a lot of programming memes. Let's explain some of them.Fri, 08 Dec 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-15/https://blog.dertimonius.dev/posts/til-15/A few thoughts after doing the first Advent of Code puzzles in a new languageSun, 03 Dec 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-14/https://blog.dertimonius.dev/posts/til-14/A thermometer probably won't work, so how does an electric kettle know, when to stop?Wed, 29 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-13/https://blog.dertimonius.dev/posts/til-13/I already knew how to build a search filter with React. But since I wanted to learn something new, I built in with a framework I never used before - SvelteWed, 22 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-12/https://blog.dertimonius.dev/posts/til-12/How a virtual dog in a computer program aimed at new PC users and children changed the world of typographyThu, 16 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-11/https://blog.dertimonius.dev/posts/til-11/It's time for me to learn how the autofocus of cameras actually workTue, 07 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-10/https://blog.dertimonius.dev/posts/til-10/From Bubble to Quick, unraveling the magic of sorting data efficiently.Fri, 03 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-9/https://blog.dertimonius.dev/posts/til-9/What exaclty is the useRef hook doing and when should you use it?Wed, 01 Nov 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-8/https://blog.dertimonius.dev/posts/til-8/Commits may break things. But you might not notice it right away and push more commits. With git bisect you'll find the bad commit in no time.Thu, 26 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-7/https://blog.dertimonius.dev/posts/til-7/Working on a large codebase for the first time can be intimidating. If only there is a way to quickly scan the most important files...Mon, 23 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-6/https://blog.dertimonius.dev/posts/til-6/Asynchronous code would be impossible without the event loop. But how does it work?Sun, 22 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-5/https://blog.dertimonius.dev/posts/til-5/It takes 8 minutes and 20 seconds for a photon to get from the surface from the sun to earth. But to get from the center of the sun to its surface takes much longer.Fri, 20 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-4/https://blog.dertimonius.dev/posts/til-4/Some frameworks like Next.js or Astro offer file-based routing - here's how it worksWed, 18 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-3/https://blog.dertimonius.dev/posts/til-3/While I deployed this very blog, I was amazed by how easy it was to deploy an Astro project on VercelMon, 16 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-2/https://blog.dertimonius.dev/posts/til-2/While called arrays, array objects in Javascript are not really arrays in the typical computer science sense - let's exploreSun, 15 Oct 2023 00:00:00 GMThttps://blog.dertimonius.dev/posts/til-1/https://blog.dertimonius.dev/posts/til-1/The metal found inside a slap bracelet is something unexpected - measuring tape!Sat, 14 Oct 2023 00:00:00 GMT