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awk-hack-the-planet
Source code repo for Ben Porter (FreedomBen)'s free course on Awk (originally a talk at Linux Fest Northwest 2019 and 2020)
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Re awk (which equally has its r/awk), the combination of presentation, exercise and GitHub repo of training data by Benjamin Porter is a nice resource, too.
My recommendation to you is to edit these blocks. In Reddit's input mask, lower part of the frame, change to the markdown mode. Add both prior, and after the code blocks a new line which starts by three back tics. If you need a resource to familiarize yourself with markdown (which equally is handy elsewhere, e.g., for stackoverflow/stackexchange, pandoc, etc.) I recommend to visit the compilation by learnxinyminutes.