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Dropdown not showing the selected option

This is what i have coded. $(document).on("change", "#keyDropDown, #valueOfKey", function() { //var chosenKey = $(this).children("option:selected").val();

Angular Routing: Avoid destroy of active component after changing the url?

For clearification/ better question: The click on ` [routerLink]="['/ComponentB'] will result to an another instance of the ComponentB displayed in the <ro

Merging completable futures

I have a piece of code like this: public class ProcessorService { @Autowired private AsyncService asyncService; public Void process() { List&

summarise based on multiple groups in R dplyr

I have a large data frame that looks like this library(tidyverse) df <- tibble(id=c(1,1,2,2,2,3), counts=c(10,20,15,15,10,20), fruit=c("apple","banana","che

Automatically scroll multiline TextFormField when it extends the maxLines attribute

I'm implementing a TextFormField with the maxLines attribute set to 3. How can I make the TextFormField scroll down once the user starts with his fourth line? A

OpenGL error during Qt 6 corss compilation for Raspberry Pi 4

I am trying to cross compile Qt 6 for Raspberry Pi 4. Following are the steps I follwed. installed crosstool-ng and related packages. took the rpi toolchain

EF Core 5 throws Parameter value out of range error

I had .NET 2.2 application with EF Core 2.2.6 that was recently upgraded to use NET 5 with EF Core 5. in MyDBContext protected override void OnModelCreating