I have this java class: Objects of this class are in List: I am adding this element to the page and want to display the sum of the quantity parameters for the entire List. Similar Java code: I am trying to do this now, but my attempts fail because I don’t know much Js. The logic is as follows: there
Why am I only getting back the results of my final ‘hasOwnProperty’ call?
I am just wondering why when I call the ‘hasOwnProperty’ method multiple times, I am only being returned one boolean value in the console? It is always the final call that returns. The rest of my code is fully functional and if I switch round the order I call to check on where the 3 properties are…
How to uniquely identify DOM elements while using little size for the identifier
I am working on a project where two browsers should synchronize their DOM elements. Whenever a DOM element changes on one browser only the changes and the position of the changed element get sent to the other browser by a websocket. In order for this to work I need a way to give the changed element a uniquely…
Upload into specific folder Firebase Storage NodeJS?
Hey I have found out how to upload into the firebase storage: As you can see with my bucket.upload function I can upload to firebase storage but it gets uploaded into the root folder and I want to put it under /foodImages/myfile.png for example Any ideas ? Answer Actually Google Cloud Storage does not have ge…
Create a object by onclick JS
Could someone say is there a method how to create an object by simple click on a button? Answer You can create a class Car, try this:
using queryselector to get textContent from td tags without class names
I am trying to create a datascraper using node. Here is a sample html code for an item that I am trying to scrape: Here is some code that I am using to extract: I was wondering if there was anyway I could get the text of ‘Todd’ and [Stack] using this query selector. I do not know what I
Looping through a DOM element causing all equal elements to be affected
I have a basic Javascript local implementation of a like button and a number that increments every time the button is clicked. The section that contains the like button and the number is rendered by EJS. HTML JavaScript My issue is, the number increments correctly when the ‘click’ event is fired, …
Why am i getting ‘undefined’ from this JSON object? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 2 y…
WebGL render loop performance
I’ve just started learning WebGL. I am rendering multiple spheres but I’m not sure about the “bindBuffer” and “bufferData” calls inside the render loops. I can render a single sphere with 2 million vertices no problem. But once I try to render 3 spheres with 100k vertices e…
Is there a way to use static method with dependency injection in NestJS?
An example is better than a long explanation: How can I replace BakeryService.myStaticMethodToGetPrice() to use dependency injection, so I can test things easily for example? Answer Static methods cannot use dependency injection. This is because the idea of dependency injection (at least to Nest) is to inject…