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I'm building a pretty simple restaurant website using React and Next.js. I have a home page and an 'order' page, which renders a menu from a state object ('menuitems'). I want the user to be able to add items to their 'cart', which is another state object. So ultimately I'm transferring data from the static 'menuitems' state to the 'cart.'

What I can't figure out is how I can update the 'cart' state from my 'order' page.

I've set up a context for the app going off of this guide. I've been able to successfully access the menu using a call to the custom hook 'useAppContext()' but I no longer have access to the updater functions provided through useState() or useContext() calls I previously used when I built something similar with everything in a single file (you can see in my code below where I invoke the now-undefined setCartItem() function).

How can I update the 'cartitems' state from inside of my 'order' component?

File where I have my context object:

I have a radio input with a label like below. input is hidden and label is used to make a visually appealing circle on which user can click.

I want to make my embed message so that it can be edited with a member anytime. This way, they can add something to the list and save it, so when anyone type the command again it will show the edited embed. However, I'm not sure how to do that. Any ideas?

Here's my code:

I have a problem I have styled my radio buttons. After style, these radio buttons stop working. I styled them as actual button looked like. Please let me know if there is any problem with the HTML or CSS. Many thanks in advance.

<Check Demo>

I've encoded a polygon's path.

When I check it in https://developers.google.com/maps/documentation/utilities/polylineutility, it works perfectly : Polygon in Google Devlopper Test

I'm trying to make a personalized radio input, and when I click anywhere the button is deselected, how do I keep it selected regardless of where I click ?. Another question is why the option "male" does not appear already selected even if I add the option checked.

my website: https://codepen.io/rodriliva/pen/MWaWrgy

HTML:

I have below json string:

I have Illumina paired-end reads contained within one .fastq file, denoted as '/1' for forward reads and '/2' for reverse reads.

I am using grep to pull out the individual reads and place them into 2 respective files (one for forward reads and one for reverse.

Note - the operation described below now exists in the standard library as partitionMap but I believe it's still a valid question as to how to achieve more general ends

Question regarding scala 2.13 - how do I consume/construct collections of specific types when adding custom collections operations where I need to restrict the element types of the input collections? e.g. how do I define: