I’m trying to get lesson.contents to render on the screen but I have some errors on the console. Here is the code (I’m using Firebase with Vue 3) Then I have this error: What I’m confused is that I’m still able to render lesson.contents on the screen: I’ve been trying a few hours…
Value differences inside an array [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question Let’s say I have this array: I am trying to find the difference betwe…
Next.js PDFtron Webviewer – ReferenceError: window is not defined
I’m trying to create a PDF viewer on my nextjs static page but i dont know how! hope you guys can help me solving this error or showing one other way to do this. (I’m new to Next.js) I was following this working example here index.js viewer.js Answer WebViewer needs the window object to work. In n…
How can I remove the last comma from a map?
I have, How can I remove the last comma in banana, apple, orange, the result of the code, that is, the one after orange and make it look something like this: banana, apple, orange? Thank you very much! Answer
Async Storage in React Native showing only first time saved data
I am trying to save data into async storage every time when data in redux store changes, But I am getting an error when I am trying to update user’s Name and saving it then I am able to see the changes when Application is open but when I close the application and open it again then it is showing
Using .bind() in functional React component, is it recommended?
I saw this syntax below during our code review, it’s my first time seeing it, I couldn’t find any article online of it being used/recommended – usually I would opt for arrow function or useCallback in this use case. Just curious if anyone else here used this, and if yes, would you be able to…
Discord guilds.join OAuth2 in JS
I am making a bot for Discord (node.js) and I want to have it’s oauth2 so when the user adds the bot to their server and accepts the oauth app permissions, the user is automatically joined into my bot support server. I’ve seen https://dsc.gg do this, and I want to do something similar. How would I…
Is there an algorithm for merging elements of an array of objects with the same key
I have the following data, and I’ve been looking for a reference to an algorithm for building a returned array that is grouped by a field (e.g. discipline) and pushes in all the unique fields. Initial Dataset: Desired Result: Answer There is no particular algorithm for this problem, what you can do is b…
Ionic cordova add platform (Error: socket hang up)
I am creating an app with ionic framework. I created an API via a cheerio scrape afterwards and connected to heroku to make a Hattp call. the problem is that while adding the android platform i get a ‘socket hang up’ error. How can I go about solving the problem? Thank you in advance. This is my c…
How do I map coordinates from one array of arrays to another, keeping the same order?
I have two arrays that look like: [[“Jenny”, 4],[“Jayden”, 8]] // and [[23.6778,-67.87],[87.8652,-9.97]]. The coordinates are in exactly the same position as I’d like them to be …