Personal blog of Nuwan Karunarathna, a software engineer and tech enthusiast.https://www.nuwank.me/https://www.nuwank.me/posts/understanding-the-harness/https://www.nuwank.me/posts/understanding-the-harness/Why AI coding agents like Claude Code feel so capable, and why the harness matters just as much as the language model.Tue, 04 Aug 2026 00:00:00 GMThttps://www.nuwank.me/posts/grep-command-linux-tips/https://www.nuwank.me/posts/grep-command-linux-tips/How to use the grep command to filter or search text from files or input streams.Sat, 04 Jan 2020 00:00:00 GMThttps://www.nuwank.me/posts/thumbnail-images-from-ms-office-files-using-php-and-libreoffice/https://www.nuwank.me/posts/thumbnail-images-from-ms-office-files-using-php-and-libreoffice/Generate thumbnail images from Microsoft Office files by converting them to PDF with LibreOffice and using Imagick in PHP.Mon, 25 Jun 2018 00:00:00 GMThttps://www.nuwank.me/posts/how-to-create-a-google-chrome-extension-with-injected-reactjs/https://www.nuwank.me/posts/how-to-create-a-google-chrome-extension-with-injected-reactjs/Build a Chrome extension that injects a ReactJS app into a loaded webpage using content scripts.Thu, 14 Jun 2018 00:00:00 GMThttps://www.nuwank.me/posts/how-to-create-an-instagram-like-heart-animation-in-a-uwp-app/https://www.nuwank.me/posts/how-to-create-an-instagram-like-heart-animation-in-a-uwp-app/Recreate the Instagram double tap heart animation in a UWP app using XAML storyboards and the Segoe MDL2 Assets font.Tue, 06 Jun 2017 00:00:00 GMThttps://www.nuwank.me/posts/foldable-content-in-uwp/https://www.nuwank.me/posts/foldable-content-in-uwp/A custom UWP user control to fold and expand content in a list, since UWP lacks an out of the box control like WPF had.Sun, 08 Jan 2017 00:00:00 GMT