- #Hider 2 troubleshoot how to#
- #Hider 2 troubleshoot update#
Multiple scrollspy on same page - basic ( code). Facebook login through JavaScript in Shiny ( code). Navigation in a Shiny app (forward/backwards in history) ( code). Use a custom function to convert the JavaScript data into an R object ( code). Simple AJAX system for Shiny apps (JS -> R -> JS communication) ( code). “Busy…” / “Done!” / “Error” feedback after pressing a button ( code). #Hider 2 troubleshoot update#
Update multiple Shiny inputs without knowing input type ( code). Serve files (images/text files/etc) instead of webpages from a Shiny app ( code). Run arbitrary code live in Shiny - great for testing during development ( code). Press the Enter key to simulate a button press ( code). Send a message from JavaScript to R - force repetitive messages to get sent ( code). Send a message from JavaScript to R ( code). Send a message from R to JavaScript ( code). Toggle a UI element (alternate between show/hide) with a button ( code). Shiny app with sequence of pages ( code). Fix filenames of files uploaded via fileInput() ( code). Show a function’s messages and warnings to the user ( code). Show user a generic error message when a Shiny error occurs in an output ( code). Use a variable from the server in a UI conditionalPanel() ( code). Split app code across multiple files (when codebase is large) ( code). Pre-populate Shiny inputs when an app loads based on URL parameters ( code). Adding text (or inputs) to the navigation bar in a navbarPage ( code). Getting the value of an object in a running Shiny app without access to a debugger ( code). Select input with groupings of options ( code). Select input with more breathing room ( code). Close the window (and stop the app) with a button click ( code). Automatically stop a Shiny app when closing the browser tab ( code). 
Hide/show shinydashboard sidebar programmatically ( code). Show a spinning “loading” animation while a plot is recalculating ( code). #Hider 2 troubleshoot how to#
Prereq: How to hide/show something in Shiny? How to disable an input? How do I reset an input?.I’ve built many Shiny apps over these 2 years, both for myself and as a contractor for other people/companies, and throughout this time I developed a handy list of Shiny design patterns and tricks, some of which I present here.Īpart from providing these tips for free, I am also a Shiny consultant - if you need help with anything Shiny or R, feel free to contact me. Since I first learned about Shiny 2 years ago, I was always looking for ways to push Shiny to its limits and I enjoyed finding ways to work around common problems people were having (the harder the problem, the better!). Click here to see the most up-to-date list of tips
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