In our meeting on 24 February 2021 we discussed profiling and comparing of code running on data.table versus data.frame. Code and timing for examples are below. Comparison of multiple versions of R ...

There is a need for effective methods to teach critical thinking (CT). One instructional method that seems promising is comparing correct and erroneous worked examples (i.e., contrasting examples).

In my last article, I detailed a high-level comparison of two dependency injection frameworks: Guice and Spring. As I mentioned then, although they both fully embrace the principles of DI, they have ...