Today I saw a clever bit of Clojure code involving clojure.string/replace, that reminded me how powerful the Clojure standard library is. I guess pretty much everyone knows that replace is normally used to replace some part of a string using a regular expression…

Many programming languages have a function for combining the elements of multiple collections (e.g. arrays or lists) together. Typically this function is named zip. Clojure doesn’t have a zip function in the standard library, which leads many newcomers to…

If you’re into programming puzzles you probably know that there’s a whole class of problems about doing something (e.g. some calculations) with the digits of a number. This means you need to break down a number into its digits first. I’ve always assumed that…

Org-mode offers some of the same functionality as a Jupyter notebook, but is simpler and more transparent.

Information about the latest version of my highly accessible themes for GNU Emacs.

How to include bits of code whose results are spliced inline when org-mode is exported to LaTeX or HTML

Introduction: A word about Org mode’s spreadsheet capabilities Power users of Emacs Org mode swear by its Spreadsheet capabilities. I know of dons in universities who use the feature to score…