The latest articles on Forem by Mateusz Zdanowicz (@zmateusz). https://forem.com/zmateusz https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F15869%2F6cbca883-054a-45ef-a10a-e440ac2ecc80.png https://forem.com/zmateusz en Mateusz Zdanowicz Sat, 14 Feb 2026 17:10:31 +0000 https://forem.com/zmateusz/making-offline-time-tracker-with-copilot-cli-34c2 https://forem.com/zmateusz/making-offline-time-tracker-with-copilot-cli-34c2 <p><em>This is a submission for the <a href="https://dev.to/challenges/github-2026-01-21">GitHub Copilot CLI Challenge</a></em></p> <h2> What I Built </h2> <p>I created simple app that works offline and allows to track time spent on any activities user will enter to it. I plan to add more features to it like: exporting to text file or CSV, assign task to project, showing stats and charts, calling backend to save data in other app.</p> <h2> Demo </h2> <p>Link to app: <a href="https://zmateusz.github.io/time/timer.html" rel="noopener noreferrer">https://zmateusz.github.io/time/timer.html</a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjl92s50f0kzj2u3hn48k.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjl92s50f0kzj2u3hn48k.png" alt=" " width="800" height="1117"></a></p> <h2> My Experience with GitHub Copilot CLI </h2> <p>I used Copilot CLI for the first time, installation and log in was quick and simple on WSL under Windows system. For coding I use VS Code and when I opened the repository for this project I had all the chat history from CLI in the IDE which is nice.</p> devchallenge githubchallenge cli githubcopilot Mateusz Zdanowicz Sun, 09 Apr 2017 11:48:36 +0000 https://forem.com/zmateusz/hi-im-mateusz-zdanowicz https://forem.com/zmateusz/hi-im-mateusz-zdanowicz <p>I have been coding for 5 years.</p> <p>You can find me on GitHub as <a href="https://github.com/zmateusz" rel="noopener noreferrer">zmateusz</a></p> <p>I'm writing a <a href="https://zmateusz.wordpress.com/" rel="noopener noreferrer">blog</a></p> <p>I live in Mińsk Mazowiecki, Poland.</p> <p>I work for EL Passion.</p> <p>I mostly program in these languages: Ruby, JavaScript, Elixir.</p> <p>I am currently learning more about front-end.</p> <p>Nice to meet you.</p> introduction