msger | Send and recive messages among Browser 's Tags | Runtime Evironment library

I am making a website, this website has a chat app include, the chat app works perfect, but there is a thing I want to do but I dont know how to do it. So I have this chat view chat view, here is were there is the websocket and all that stuff, But in this view this view, is the place were I want the user to see all the chat rooms he is in, on the side of chats like the two example users that are in there. the problem is that I don´t know how to do it. can someone tell me how to do it? with a simple example, like a very simple chat, that the chats of the user appear in the home page?, thanks for the help.

My code: Chat room html or thread:

I am using ngx-pagination package for pagination of large list. I am using pagination pipe inside the template of child component.

When ever the child component receives new Data pagination controls will broke and it won't work.

but if I restart the app it works properly Pagination broke only when I request new data and pass it to child component as input property.

I messed with pagination controls component properties. I have also tried setting the total items in paginate pipe. I have also tried setting pagination controls a Id and passed it into paginate pipe. But above tries didn't work at all.

Please find the child code below.

component.ts

I am currently using okhttp for network calls. I also need websocket so I made it like this:

I am trying to create a calculator program using Assembly Language but it is required for us to show 4 digit number operations.

In this code, I can add, subtract and divide numbers with 4 digits each, but when multiplying 4 digit by 4 digit numbers, the answer is different and wrong

Example: 9999x9999= 37601 (which is wrong and the answer should be 99980001)

Here is the part of the code for Multiplication: