Show HN: Hands-Free Heart Rate – Measure Pulse with Selfie Camera (iOS for Now) https://ift.tt/368volS
Show HN: Hands-Free Heart Rate – Measure Pulse with Selfie Camera (iOS for Now) https://ift.tt/2R8a23X January 19, 2020 at 12:30AM
Show HN: Interactive exercises for GNU grep, sed and awk https://ift.tt/OxeFwah
Show HN: Interactive exercises for GNU grep, sed and awk Hello! For the past few months, I've been using a Python framework called Textual to create TUI apps for interactive exercises. Released the app for GNU awk earlier today, so thought I'd create a post here. If you already know how to manage Python packages, you can use the following command to get all the three apps: pip install grepexercises sedexercises awkexercises `pipx` should also work, but I haven't tested it. The GitHub repo has the source code as well as more detailed installation instructions. You can use alternative CLI tools to solve these exercises as well. For example, Perl instead of GNU awk or ripgrep instead of GNU grep and so on. Hope you find these TUI apps useful. I'd highly appreciate your feedback. Happy learning :) https://ift.tt/Hp9kFEi August 17, 2023 at 05:13PM
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