continental | Symbol font with maps of European countries | User Interface library

I have the following code:

I have created a reactive function in the server to get a list of elements. The idea is to show each element of the list as a individual choice in the ui, just like selectInput does in the ui.

I wrote an example with mtcars.

So I have one data frame with multiple columns, a good chunk of those columns are dichotomous variables of whether each case belongs to a certain group, said columns are the result of running %in% to turn them into a logical test and then codded into 0s and 1s. I ended up with only one of those columns with 1 per row, now I want create a category based on whether the row has a 1 or not. Why's my code not working (or very slow, it just seems stuck).

I added a custom .js file to a Shopify store. Despite many attempts, I don't seem to be able to find what is causing this error. Please check the code below to let me know where I need to correct the code to fix the error. Correcting other issues pointed out by VS code doesn't help fix the error. I carefully looked for the beginning and closing braces with each block of code/functon.

Given a local macro that contains a string of levels which are separated by either comma (",") or comma and space (", ") or even only space (" "), is there a simple way to extract the first N levels (or words) of this local macro?

The string would look like "12, 123, 1321, 41", or "12,123,1321,41" or "12 123 1321 41".

Basically I would be happy with a version of the Macro Function word # of string that would work more or less like word 1/N of string. (See "Macro functions for parsing" in pg 12 in Macro definition and manipulation)

For more context, I am working with the output of levelsof, local() sep(). So I can choose the separator that can be worked with more easily. I want to pass the resulting levels as an argument to the inlist() function. The following usually works, but inlist() only takes up to 250 arguments. That is why I would like to extract chunks of 250 words of the results of levelsof()

I am trying to subsample a data.frame in a way that the sample would have observations that capture as much variation as possible among a set of columns of the original data.frame.

An example with the mtcars dataset: I'd like to find 3 cars that are the most different from each other by mpg, vs and carb. Looking at the data visually, it would probably be Toyota Corolla (high mpg, vs 1, low carb), Cadillac Fleetwood (low mpg, vs 0, medium carb) and either Maserati Bora (low-med mpg, vs 0, high carb) or Ferrari Dino (medium mpg, vs 0, med-high carb):

I would like to implement functionality for being able to search a QPlainTextEdit for a query string, and display all matched lines in a table. Selecting a row in the table should move the cursor to the correct line in the document.

Below is a working example that finds all matches and displays them in a table. How can I get to the selected line number in the string that the plaintextedit holds? I could instead use the match.capturedEnd() and match.capturedStart() to show the matches, but line numbers are a more intuitive thing to think of, rather than the character index matches.

I'm building a site but can't figure out how to change the permalink structure for my custom post type only!

I have a custom post type called "Products" at the moment which has a URL structure like this

I have data that I need to clean up programmatically using a reference table. In the reference table, each row pertains to a different column in the data, and specifies the values by which to filter each data variable.

Data