I have this df: df = data.frame(ID = c(1,2,3), A = c("h;d;c", "j;k", "k")) And i want to retrieve a new df with splited rows ba
I’m learning about multi threading and I understand the difference between parallelism and concurrency. My question is, if I create a second thread and de
I am working on an image encryption project, so I first converts color image to gray and do the rest, after encryption I can see the image only using imshow(gra
Im using react with meteor and the react-highlight . The problem is my code is not being highlighted and im getting this error on the console Resource interpre
I have a wide dataset of 23 columns. I would like to select certain columns and adjust them to rows (long format), but only these selected columns. This is a sa
I have pre-signed the URL. And my task is to upload a CSV file at a pre-signed URL. I have written below code import org.apache.http.HttpEntity; import org.apac
I have a service like this: public class MyService { public MyService(MyOtherService otherService, string clientId) { } } And to the MyService cla
In my masterview of an split-app I have a list with purchase order items. Initially, the list is ordered descending by the purchase order numbers. I achieved th
I'm using a Samsung Galaxy S20 phone and I'm trying to get the width of the display using: DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().get