I have a quick question, My project is a quick 4 option answers, With radio buttons and pictures displayed, Now I have the pictures and the answers stored in a text file, That way my JS detects what it reads and then passes it to HTML, Now I use this function to pick a random line: Now How would I
Category: Questions
Can’t access the class variables from a event handler
I am making a web application for arranging seats, and I have written these codes: However, console.log(seatContainerConector); just gives me back undefined. I have tried to delete const seatContainerConector = this.seatContainer; and use console.log(this.seatContainer); instead, but it didn’t work. How…
Can anyone know if we can tag the MongoDB queries/commands to know which function of the app ran that query/command?
I am using the same query (or slightly modified but using the same MongoDB Collection) in various functions and on Mongo Atlas, we get only the collection name and query but don’t know which function actually triggered it. Is there any way to tag the queries with the functions so it can be easy to debug…
Vue.js code working only in incognito window
I am developing an e-commerce window and it was working perfectly until the part where I needed to add items to the cart. the browser console showed an error when I wanted to display the items in the cart. However, the strange thing is that it works perfectly in the incognito window. What could be the issue? …
Repeating function calls
When i change a frame size, like 3×3, 4×4, 5×5 etc. canvas draw n number of times constantly calculation in progression. I can’t figure out where the error might be. Can you help me fix this bug. I suspect that the problem is in the function call in the class, or in one of the functions. …
Yii2 KartikV color input how to get selected color value from different input fields
I am using KartikV color input widget for Yii2 advanced and I have a lot of color input fields in my form. How can I get value of new selected color after every select of different color inputs. Main purpose of this is that I need to select color for some option and draw on canvas with this selected color.
Default value is not displaying in select drop down box of react hooks app
In my react hooks select drop down, the default value is not displaying. On page load I would like to display Select Position in the drop down. Could someone please advise why it is not displaying the default value ? code sandbox link: https://codesandbox.io/s/sad-diffie-kx9h49?file=/src/App.js:0-991 Answer C…
How to print item position of rendered element Angular?
So, I have a list of items. I like to print only in the list who has a length of more than 0. Currently, It is showing the array index of list! Current output: 1 INDEX #0 3 INDEX #2 5 INDEX #4 But I am looking for a solution so that the expected result should be like 1 INDEX
(self-answered) How would I detect collision on a canvas between a ball and a paddle?
is the paddles & ball and the part I really need help with detecting if the ball hits the paddle. What I was trying to do is check the X and the Y to see if it was between the top of the paddle and the bottom, but it wouldn’t work. Answer In order to find collision between two objects
Spread objects into a state array
I am trying to spread values as objects into a state array in react, but this code causes this error: Error: TypeError: Invalid attempt to spread non-iterable instance. In order to be iterable, non-array objects must have a [Symbol.iterator]() method. Is there a chance I can spread values from the data array …