I have two arrays of users which have the same iDs. I want to merge them based on the updatedAt property that each user has. The user who has newer updatedAt property has priority. Output should be ] Answer You can use Array.reduce() to group users by id, replacing any entry with a newer updatedAt property. O…
How to – When image is clicked set opacity to 1 and lower opacity for other images
I couldn’t for the life of me figure this out! How can I make this happen – When image is clicked set opacity to 1 and lower opacity for other images? I was told to add a class to the clicked image, store it, then remove the class when another image is clicked? but i cant figure it out! Answer
How to res.sendFile() a file that is in a different directory for Express.js webapp?
I have this inside controllers folder: This exported function is imported in a file inside the routes directory Currently I am getting a 404 error when I try to get the sitmap at localhost:3000/sitemap Folder Structure: Before, I had the same thing in index.js which is the entry point. This was working perfec…
What is the proper way to update a parent component with a shared service in ngOnInit – Angular 13
I’ve come across a situation a few times where I use a shared service in a component’s ngOnInit to update a value in another component, which just so happens to be a parent. This results in the infamous Error: NG0100: Expression has changed after it was checked in development mode, and change dete…
how to build object JS
I have an array of booking and types. From these two arrays I need to build an object. Everything works great, except for the types. Types return an array in each object (same). How can you return the correct object? Answer found a solution to my problem. It was enough to add indexes
how to prevent the innerHTML of change again after the click event [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 12 months ago. Improve this question Answer Just test for innerHTML first to see if there is already somethign in there…
Updating tailwindCSS class attributes on button click
I’m working on a project that uses pre-made TailwindUI component code. If you refer to this gif, you can see that the code on the site is responsive to mobile design and the hamburger menu toggles on button click. However, the code given for this does not include the necessary JS, so the toggling of the…
ReactJS + Typescript: Set component state with context property value without triggering a rerender
I am relatively new to ReactJS and I’m building an app with a Context. At some point I need to get one of the values from the Context, make it available for editing and only after it’s submitted change it’s value in the Context (to avoid refreshing all the other components). I thought of doi…
React Final Form – Double conditional Form
I have started to work on a form project using React final form, but I am struggling to do a two condition question. Would anyone knows how to do a double conditional logic on React final form. From this example, the single conditional logic code is given : However, I don’t know how to do a double condi…
avoid nested subscribe if there is a forkjoin inside
Here is my code in angular So there are many levels of subscribe. Not only it is ugly also the result is wrong and I can’t not find it out by debugging. How can I rewrite it with rxjs operators? Answer You can simplify it using the RxJS operators, like the following: Note: To handle the memory leaks, it…