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From what I understand, grails applications with the angular profile don't technically need controllers as the domains support the http requests. So, what exactly is the point of the controller class in these grails applications?

Here is an example I am working on:

I have a Wardrobe class, and a Color Class. Wardrobes have colors, and I want the functionality to add and delete colors from specific wardrobes. However, colors may be a part of many different wardrobes.

I understand I can just add a color to a wardrobe without the controller class, by calling a post request to my 'localhost:8080/color' specifying the wardrobe. Can I also delete a color from a wardrobe with the same logic?

If this is true, why do I need a controller class? In this tutorial, I notice they leave the controller class out. https://www.djamware.com/post/5a10b5f580aca75eadc12d6c/grails-3-angular-5-profile-crud-web-application-example

Just wondering what exactly is the point of having a controller class when working with angular, and when it can be avoided and when it is needed.

Thanks

I have a dataframe that contains a large number of reviews, a large list with noun words (1000) and another large list with verbs/adjectives (1000).

Example dataframe and lists:

I have a dataframe which contains reviews, as well as two lists, one which stores nouns and the other storing verbs/adjectives.

Example code:

I want to make a graph for each value of a variable in my dataframe, and then pass that value through to the graph as the title. I think the best way to do this is by using the apply() family of functions, but i'm a bit of a novice and can't figure out how to do that.

For example, say I have this dataframe:

Hello I wanted to apply a mod function of column % 24 to the hour of time column.

I believe the time column is in a string format,

I was wondering how I should go about performing the operation.

I am trying to dynamically change the html of parent form element to display according the what the user wants to upload, then retrieve the data from that child element. I saved the list of children to dynamically input in the js folder leaving the parent form element empty. The issue is:

a) When I dynamically input the preferred child element according to what user wants to upload, It doesn't retrieve the values even though it shows in the DOM that the element is there.

b) Whereas if I statically input the child element in html folder, it works just fine. but when the child is changed again, its still the statically inputted values I get back. please how do I go about this?? Here's the codepen showing it.

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.

Thank you for taking a look at my question, I appreciate your help.

I looked around at the available answers and none of them seem to work for me. Other answers seem to deal with switching to an iframe, which I do successfully (otherwise it would crash sooner, right?), then I can't select a dropdown menu in that iframe.

Some of the approaches I tried:

Unable to click on dropdown within iframe - Selenium Python

Can't access dropdown select using Selenium in Python

Python Selenium - Cant Click on Button (iFrame Solved !)

For some reason the element isn't there - I tried using wait statements (both sleep and EC.waits) but that also didn't work. When I observe the program run, I can see that the driver successfully loads the iframe and the elements are selectable, so I think it may be a misunderstanding in how you access iframe elements.

Here is the code, you'll notice it is behind a login block, I don't know what I can do in this case to help people get to that point, but I have shared all the html and code I can think of and can share more upon request:

Suppose I have a struct: