I am facing this when I am trying to set form error object. Basically, I want to show the errors below each input field. In response, I am getting an array of objects how do I set to my error object? Error – Maximum update depth exceeded. This can happen when a component calls setState inside useEffect,…
My hooks aren’t opening and closing my modals
I’m new to react and redux, I’m trying to do things the newish hooks way and running into issues opening and closing a Modal using a redux state. Basically, as soon as my page loads, the modal opens, even though the initial state in the slice is set to false and the close button in the modal foote…
How do I sort a Binary Search Tree from greatest to least?
I need to return an array of nodes sorted from high to low. At the moment I am trying to implement an inorder traversal which gives me the exact opposite of what I’m looking for. The tree looks like: My function looks like: From this, I receive: When I need to receive: Is there a way that I can reverse
How can I use p5.js without it polluting the global scope?
I’m trying to convert some code I wrote for processing.js to use p5.js. In the existing code, I create an object with a statement like processing = new Processing(canvas, p => (p.draw = draw_frame)) with the canvas defined in HTML as <canvas id=”canvas”></canvas>, and any Proc…
React Native: Why is Expo-AV not playing audio?
I’m attempting to build an app that acts as a soundboard and can play different sounds when different buttons are pressed. I expected the audio to play but instead, I got an error that stated: This is my code: So far, I’ve tried adding a try/catch block, using different audio formats. I think the …
Can’t Post JSON with Javascript ‘fetch’ in React Native?
I’m currently working on a really simple project. When I tried to console log req.body it gives me empty object. app.js (React Native) server.js (Node JS Backend API) Answer You should parse the incoming requests with JSON payloads. In server.js add the middleware fucntion:
Add the sum of two fields to a new field in the document
I would like to calculate sum of two fields, then create new field in document something like: ‘totalSum’. But I dont know how to do this. All in mongodb. Here’s an example: Answer Demo – https://mongoplayground.net/p/40DnYmMnEyU Use $addFields to add new fileds total, compute values u…
Tabs based on CSS Grid don’t show proper content
I’m setting up a JS based tab navigation but somehow the Tab content doesnt show properly. The idea is to only show the Tab content of the active state. I just want the Tab Content to show that belongs to the tab. The Code looks like this: I cannot find the error. Any help is much appreciated. merci in …
How to access array elements in angular
From an API, I’m trying to get data using httpModule. Here is my code When I use async and await, it says that await has no effect. An undefined is getting assigned to the variable this.output. How can I make this work? Also, How can I get access to a variable from the below response array? here I need …
What’s wrong with the addEventListeners
the vector should be able to be pulled and repositioned. ugh!. I have it up on fiddle at jsFiddle Answer There is nothing messy with JavaScript, you just need a lot more practice… Few things on your code, as they point out in the comments you have a typo cleintY, also you have to substract the canvas.of…