decks | presentation slide decks and workshops

I want to implement security on my Spring cloud gateway server by making it an oAuth2 resource server. The requests are getting authenticated against my spring security authorization server. For some requests I want to pass the userId of the authenticated user as a request header to my downstream services.

Here's my route:

Currently I added in my site a method for email confirmation when registering. What I saw though, is that when the user is registered, but didn't click in the confirmation link yet and tries to login, I can't differentiate between wrong user/password and not confirmed user.

This is my login function:

so for a homework task I have to make a program that deals N(command line input) amount of poker decks (5 cards). I have a for-loop that checks if a card has been used, but nonetheless duplicate cards get printed. Any help would be greatly appreciated.

Code that checks for duplicates

I'm using Angular Datatables in one of my projects. I display data, and on a button click I have to reload the data. I have the following setup:

In .html

So I'm back to android programming after a few years and I'm struggling with something that I thought would be very simple. I'm populating a listview using a custom array adapter with a custom layout. Basically, every item of the array list is a custom class (named Card) with 4 properties: (int)id, (String)name, (boolean)include,(int)deck (the idea is that the user selects which cards to include in each of 3 different decks). I created a simple layout with 2 textviews, 1 checkbox and 1 radiogroup with 3 radio buttons inside (and a bunch of icons) (see below). My problem is that although the listview gets populated and it is shown correctly, whenever I (the user) changes something (e.g. hit the checkbox or the radio buttons) and I scroll, everything is messed up (the selection I made gets copied to other rows). I tried, to no avail, setting listeners inside the getView() method of the adapter and notifying data changes. I know views are recycled, but clearly I don't understand properly how. Any help would be greatly appreciated.

card_layout.xml

I want to remove the whitespace which is above the why us container. The website is designed with mobile first approach so you wont be able to see the whitespace on large screens.

There is a class named wrapper which i have used to wrap around subscription and description class. Is there any way to remove the whitespace from the wrapper class div.

In a DB there's a table called decks which looks like this:

I'm sending a request like this:

I am trying to write a set of serializers for my models. I want the serializer for the deck to spit out the cards that match the decks ID in the CardToDeck Model and then fetch the card matching the card_id in the Card Model and Ideally be able to write with the given solution.

models.py