<span class="citation" data-cites="mjfrigaard">@mjfrigaard</span>

Shiny (for R) & APIs

I’ve been working my way through DevOps for Data Science by Alex K Gold (highly recommended) and the chapter on APIs includes exercises for using apps to communicate with…

Quarto Shiny Apps in R Packages

This post was prompted by a new chapter I’ve been working on for Shiny App-Packages. I’ve recently been building a Shiny application in a Quarto document¹, and noticed quite…

Positron

I’ve been trying out Posit’s new Positron IDE for a few weeks, so I put together a post covering my initial impressions of developing Shiny apps and R packages.

Python Apps

This is the second post on working in VS Code with Python. I’ll cover developing and publishing Python applications using Bokeh, Streamlit, and Dash.

VS Code, meet Quarto.

I’ve been using VS Code to write more and more Python code lately, so I’ve decided make some notes on 1) installing Python, 2) working in VS Code, and 3) using Python code…

Shiny system tests with `shinytest2`

This post has been shortened from the original version. I felt it was too long and duplicative of other resources written better elsewhere. If you’d like to read the…

Testing Shiny modules

This is the third post in a series on testing shiny applications. I’ll cover testing shiny module server functions using the testhat package and shiny’s testServer() function.

Debugging in RStudio

In this post I’ll cover using the browser() function with RStudio’s debugger. RStudio’s debugging tools are built into the IDE, which provides a seamless transition between…

Testing Non-Package Shiny Apps

This is the second post in a series on testing Shiny applications. I’ll cover testing Shiny module server functions using the testhat package outside of an R package…

Behavior Driven Unit Tests

This post is the first in a series on testing Shiny applications. We’ll cover developing and testing a set of utility functions for a Shiny app-package using testhat. If…

Writing modular code with `box`

box provides a precise and concise method for using add-on packages and functions. box also doesn’t require bundling your code into R packages to make it reusable. This post…

purrr updates (v1.0.0)

This post is going to cover the recent updates to the purrr package. The release of version 1.0.0 (and dev version v1.0.1) had some breaking changes, which I will cover…