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My Blog

Mostly things I’ve figured out and wanted to share with you. Or remember later. Or things I wrote about because I wanted to learn something new. Occasional ramblings, sometimes thoughts.

Remembering what I did this week with LLMs

R

LLMs

Personal Data

Productivity

GitHub

ellmer

Using the GitHub API and {ellmer} to remember what I did this week.

It’s time to add bslib to your `shinyapp` snippet

R

Shiny

bslib

library(shiny) is better with library(bslib), so let’s make it official and update our shinyapp snippet together.

Add last rendered or modified time to Quarto

Quarto

Extensions

Introducing now, a Quarto extension that adds the time right now, anywhere in your document.

Automated Image Overflow Detection for xaringan or remark Slides

R

Slides

xaringan

Using chromote and a little JavaScript to detect image overflow issues in {xaringan} or remark slides.

Read and Visualize your Twitter Archive

R

Twitter

Personal Data

Using R to read and visualize my Twitter archive data. Featuring {ggiraph}, {ggplot2}, {jsonlite}, {dplyr} and more…

countdown v0.4.0 – Now on CRAN!

R

My Projects

Slides

countdown

Shiny

JavaScript

Apps

Announcement

xaringan

Quarto

countdown v0.4.0 is now available on CRAN with a ton of new features!

Process Profile Pictures with magick

R

Images

Interesting Uses of R

Process a directory full of profile pictures, resizing and cropping the images to be centered around faces.

xaringanExtra v0.6.0 — Now on CRAN!

R

My Projects

xaringan

xaringanExtra

Slides

Announcement

xaringanExtra v0.6.0 is now available on CRAN! Plus some new features.

Saving Daylight Time?

R

Visualization

ggplot2

How much daylight do cities across the world get throughout the year? Does Daylight Saving Time really save any daylight? A visualization to explore these questions.

Wordle Guess Helper

R

JavaScript

js4shiny

Picking words to guess in Wordle. It’s only fun if you can solve it with R.

branchMover: A Shiny app for moving the default branch of your GitHub repos

R

usethis

GitHub

git

Apps

Shiny

RStudio

Introducing branchMover, a Shiny app slash RStudio addin for coordinated default branch changes across your GitHub repositories.

Pull Request Flow with usethis

R

usethis

Productivity

Workflow

Choose your own adventure and get in the ‘usethis’ pull request flow with this flow chart.

Signed and verified: signed git commits with Keybase and RStudio

R

git

GitHub

RStudio

Tutorials

Setting up signed git commits with a Keybase GPG key that works with RStudio.

Create a GitHub issue from a reprex with shrtcts

R

Addin

Shortcuts

GitHub

reprex

Turn a reprex into a GitHub issue using a custom RStudio addin with shrtcts.

Questions, answers, and reprexes

Teaching

Learning

CSS

Programming

reprex

A “CSS Battle” YouTube video made me ponder metacognition in programming. I had questions, reprex gave me answers.

Little Inline Color Boxes

R

Tips

Color

Web Development

htmltools

Little cirlces with color previews, with R.

Printing xaringan slides with chromote

R

xaringan

xaringanExtra

Slides

Tips

Scripts

Create PDF versions of complicated xaringan slides using {chromote} and a little magic.

xaringan Playground: Using xaringan to learn web development

R

xaringan

Presentation

CSS

Web Development

Making slides with xaringan is a great way to learn more about CSS and web development.

Setting up a new MacBook Pro

R

Tips

Programming

Twitter

A big post with all the Mac apps and command line utilities I use everyday.

A Calendar in Your R Console

R

Scripts

Productivity

Interesting Uses of R

Print a nicely-formatted calendar in your R console.

R Colors in CSS for R Markdown HTML Documents

Color

xaringan

Tips

CSS

R Markdown

R

Web Development

Shiny

htmltools

Use R’s colors in HTML R Markdown documents, slides and Shiny apps with this set of CSS stylesheets.

Sharing Your xaringan Slides

R

xaringan

xaringanExtra

Slides

How to share your xaringan slides in style, on social media sites and embedded in your web page.

Video: Debugging JavaScript You Wrote in R

R

RStudio

JavaScript

Debugging

Web Development

htmlwidgets

Video

A pseudo-live-streamed walkthrough as I debug some buggy JavaScript written in R for a {reactable} htmlwidget.

Let’s move on from iris

R

Scripts

About iris and how to move on.

Better Progressive xaringan Slides with CSS and :last-of-type

R

xaringan

xaringan Tip

CSS

Slides

A few CSS rules for focused, progressively revealed lists and R code chunks in xaringan slides.