(This is part 2 of n “quick hit” posts, each walking through some approaches to speeding up components of an iterative operation. Go here for part 1). Thanks to the aforementioned previous post, we now have a super fast way of reading individual text files containing HTTP headers from HEAD requests into a character vector:… Continue reading
Post Category → R
Quick Hit: Comparison of “Whole File Reading” Methods
(This is part 1 of n posts using this same data; n will likely be 2-3, and the posts are more around optimization than anything else.) I recently had to analyze HTTP response headers (generated by a HEAD request) from around 74,000 sites (each response stored in a text file). They look like this: HTTP/1.1… Continue reading
Aligning the Dots On COVID Prison Waffles
The Marshall Project has a solid story and set of visualizations on the impact of COVID-19 in U.S. prisons. They keep the data (and vis) regularly updated. They do great work and this is an important topic, but this visualization breaks my “ordered grid” OCD: To be fair, it’s not supposed to line up as… Continue reading
A Look at PAN-OS Versions with a Bit of R
The incredibly talented folks over at Bishop Fox were quite generous this week, providing a scanner for figuring out PAN-OS GlobalProtect versions. I’ve been using their decoding technique and date-based fingerprint table to keep an eye on patch status (over at $DAYJOB we help customers, organizations, and national cybersecurity centers get ahead of issues as… Continue reading
{sergeant} 0.9.0 Is On Its Way to CRAN Mirrors!
Tis been a long time coming, but a minor change to default S3 parameters in tibbles finally caused a push of {sergeant} — the R package that lets you use the Apache Drill REST API via {DBI}, {dplyr}, or directly — to CRAN. The CRAN automatic processing system approved the release just under 19 minutes from… Continue reading
RSwitch 1.7.0 Has Been Released
I (and, apparently, Gandalf O_o) are pleased to announce that RSwitch version 1.7.0 has been released. (Direct Download) RSwitch is a macOS menubar utility that: makes it dead simple to manage multiple macOS R versions use the latest RStudio daily builds access remote RStudio Server sessions using in a purpose-built browser that lets you use… Continue reading
Mining R 4.0.0 Changelog for Nuggets of Gold: #1 stopifnot()
R 4.0.0 has been out for a while, now, and — apart from a case where merge() was slower than dirt — it’s been really stable for at least me (I use it daily on macOS, Linux, and Windows). Sure, it came with some headline-grabbing features/upgrades, but I’ve started looking at what other useful nuggets… Continue reading
Attach Your R Code To Charts You Tweet For Reproducible R Tweets!
I caught this tweet by Terence Eden about using Twitter image alt-text to “PGP sign” tweet and my mind immediately went to “how can I abuse this for covert communications, malicious command-and-control, and embedding R code in tweets?”. When you paste or upload an image to tweet (web interface, at least) you have an opportunity… Continue reading