to-array | Turn an array like into an array | Functional Programming library

I have an object like this:

I am currently trying to convert an Observable into an Array so that I can iterate over the Array in HTML using ngFor.

This is my Typescript code currently. When I console log the testArray Array it is saying it is undefined.

I'm writing a callback function in Python:

Follow up to Sending duplicate data to array, then checking if said array is empty or not to decide what code to run next, if statement not working correctly.

I'm pretty much trying to copy the conditional formatting that I put to notify users of "bad" data, but with script to prevent sending bad data and giving unique error messages. With the answer from my last question, the checks and preventing sending no data or data with duplicates works, but I'm now stuck on preventing sending of data that does not match the format of a four digit number.

My conditional formatting was to set the background color to orange on anything that was not equal to or in between 1000 and 9999, but I'm having trouble getting the scripting to work--I'm trying to use negation of anything in between those two values as the "false" that will prompt an error message, and the "true" to let the rest of the script run that will send the data and notification emails out. However, this makes it say that there are bad values even if I do have the correct data in. Removing the negation lets anything go through, like it's not actually checking it. Any ideas?

The section I'm asking about is the last else if statement:

I've created a simple "Hello, World!" app in Clojure with JavaFX.

There are many like it, but this one is mine, as the Rifleman's Creed goes. Also, this one works with recent JavaFXs, and doesn't use the Swing JFX Panel:

I've got a collection like this:

In relation to my previous question: Add key and incremental values to array of objects

@ran.t 's solution worked perfectly. But now I am trying to write a function to reuse the solution, I am getting undefined.

No function:

Can you limit array_agg in AWS athena? In postgres you can use this syntax, see this question.

Although my question seems to be concerned with a rather trivial task, I was not yet able to sucessfully create a single 2-dimensional vector

[[1 2] [3 4]]

fom two individual vectors,

(def a [1 2]) and (def b [3 4]).

Leaving the functions conj and cons aside, I ran into the problem that vec or into-array both expect single input values. Another workaround would be pre-filling a two dimenstional vector

(vec (replicate 2 (vec (replicate 2 nil))))

but I it is still a complicated option.