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Questions - shiny-reactivity

Shiny: Update a reactive value with textInput() in modalDialog()

I Want to update a Value based on a textInput() within an modalDialog(). I found this answer which does work, but it uses reactiveValues() which creates problems in my case further down in my code. Is...
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fschier

r

shiny

shiny-reactivity

Votes: 0

Answers: 1

Latest Answer

renderPrint needs a reactive dependency to be invalidated and re-rendered. Accordingly using a non-reactive variable in this scenario isn't making any sense. You should rather work on the downstream p...
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ismirsehregal

How to reactively format data table columns?

In the simplified functioning code at the bottom, in the colDefs = list() section of datatable() under renderDT(), in server section, I manually center-align the two right-most column outputs of the t...
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Curious Jorge - user9788072

r

shiny

datatable

format

shiny-reactivity

Votes: 0

Answers: 1

Latest Answer

The following seems to work. However, I'm not sure why your initial approach doesn't work - it looks good to me. library(dplyr) library(DT) library(shiny) library(shinyWidgets) library(tidyverse) ui ...
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ismirsehregal

Reactivity conundrum in shiny; dynamically translating text going into selectInput()

I am working on a multilingual shiny app using the shiny.i18n package to translate different parts of the UI. It works really well until I tried to dynamically translate the text inside a specific sel...
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Jorge Ahumada

internationalization

shiny-reactivity

Votes: 0

Answers: 1

Latest Answer

An alternative in this case could be making data_rv a reactive expression with a req() instead of an eventReactive. It may also keep it simple for your purpose. I tried it like this with your example:...
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daniel

Delay/avoid duplication of shiny server side functions until after credentials

I have put together a secure app to be hosted on shinyapps.io and everything works as desired except for my reactive server functions begin to run while waiting for credentials to be entered, and then...
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BEVAN

r

shiny

shinyapps

shiny-reactivity

shinymanager

Votes: 0

Answers: 1

Latest Answer

We can use observeEvent, eventReactive or bindEvent to trigger functions in the server part after successful authentication: library(shiny) library(shinymanager) credentials <- data.frame( user ...
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ismirsehregal

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