Posts tagged racket
… in which we look at how to really speed up the lookup of geographic locations in a large number or regions covering the entire Earth surface. This is the problem that the tzgeolookup package has to solve: given a geographic location it needs to determine which one among the 425 time zones it belongs to, and it has to do it quickly.
Can you write GUI applications in Racket? Different versions of this question shows up periodically on various Racket forums, and, of course, Racket does have a GUI Library. However, usually the person asking the question implies a bit more, and it is not always clear what this “a bit more” is…
Rather than attempting to answer the question myself, I decided to just put together some screenshots of an application I wrote using Racket.
… that is the question. To find the answer will use a logic programming DSL embedded in Racket, named miniKanren.
By the way, if you are in a hurry: the German owns the Fish. Twice.
… in which we explore using interval renderers and color maps to create a plot where the area under the line is shaded based on data from a second data series.
The Box and Whiskers plot is a method for depicting groups of numerical data through their quartiles and it is a popular way to depict statistical information about data sets, yet the Racket plot package does not support such a plot type. In this blog post we’ll explore how to add this plot type to the plot package without having to modify the package itself, and we’ll look at some useful techniques of extending the plot package.