Some LaTeX for StackExchange

Nicely formatted variance definition from a question on StackExchange (probably Cross Validated or Math.SE). The original question is lost in time. »

Store and reinstall R packages list

Dumb & easy way to reinstall or move all R packages. »

Wait for Quay build to finish

Travis almost a de facto standard for running unit tests for open source projects and private repositories. Since the rise of Docker infrastructure, more and more things being bundled with »

Cron with a separate Docker container

Lately I was required to clean redundant Elasticsearch indices. Every midnight. Easy thing for a cron job, right? The main thing was, that the whole infrastructure is built around Docker »

"Functional" programming in R

Today I've found a question on SO: Use lapply to modify the data of an xts contained on a list. There was nothing special about the question itself. But I »