Hash tables are one of the most commonly used data structures in computer science, due to their O(1) access time. However, this assumes a… (more…)

This article explains the new features in Python 3.7, compared to 3.6. (more…)

Transitflow is an experimental set of tools that generate spatial-temporal transit frequency datasets and visualizations from the command line. (more…)

A "fold" is a fundamental primitive in defining operations on data structures; it's particularly important in functional languages where recursion is the default tool to express repetition. In this article I'll present how left and right folds work and ho... (more…)

Here we ask you to identify which tool was used to produce the following 18 charts: 4 were done with R, 3 with SPSS, 5 with Excel, 2 with Tableau, 1 with Matla…...