vos | An effort to write

I am learning web development, and I tried to do the exercise, but the answer given is different from mine. May, anyone please help me see what my mistake is.

Here is the code:

Given Answer:

What kind of OWL profiles are supported in VOS DL, EL, QL ,RL? Is is possible to use or integrate standard reasoners? (Hermit, Pellets, etc.)

As per title I am setting up webflux config like this

So I have data in text file like this:

I'm trying to test out the parent/child relationship but havent throuble getting any results back for has_child queries. I have this mapping

Short question about how to express n+2 in col specification with filter_all or filter.

I need to search for a specific value followed, two cols. away, by specific value, without using col. names

I have a df that comes from text processing (in Old French, btw). Each row represent a line of the text. Here's an extract of that df (simplified). It continues after col. SYLL_TAG4-1 up to SYLL_TAG20.

I cannot how to figure out to have a popup alert when all my conditions in my form are okay ... It is homework and the teacher want a popup alert after all the fields and if these are respected the last alert popup to tell "Our form doesn't have errors!". It is a JavaScript-jQuery form validation client-side only (no ajax or anything else). thanks for helping me!

I am using List from 'react-native-paper' to display an order list. when I click on the order, 'displays the order total and the products. I added:

left = {product.quantity}

so that on the left of the products I have the quantity of the products displayed. However, this line gives me an error:

TypeError: 1 is not a function (near '... left ...')

My data array looks like this:

Background

I'm trying to build a map view for an app using react-native-maps, I've got an amount of documents in a Firestore collection which have a latlng map field, which hold both latitude: and longitude:. The two of them are numeric values.

Problem

I am unable to get the markers to show in the map. I have been able to display a single static marker based on user location but cannot do it dinamically with data from Firebase. Code looks like this: