The Racket text% editor class can be used to display multi line text with formatting, such as fonts and colors; it is however, somewhat difficult to set it up and use its formatting capabilities. This blog post shows how to build a text view which allows inserting markdown text and the result will be formatted, with headers, links and images.
.. in which we look at how to manage the versions of packages used by a Racket application, and ensure that the correct package versions are used when building the application.
A dashboard for ActivityLog2 which allows determining threshold power, pace and heart rate for a running or cycling activity, and can set sport zones based on these values. To make things a bit more interesting, the dashboard also allows inspecting the activity interactively to see where the “best” segments are.
The previous blog post introduced the Tetris game mechanics and made the game playable. In this blog post we’ll look at how to build an actual GUI application around the game mechanics: we’ll keep score, increase difficulty, peek at the next block and more. As we do that, we’ll explore some more interesting things you can do with the Racket pict library, and look at some of the GUI facilities available in Racket.