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How to detect whether function return value discarded or not?

Use-case: This allows to differ whether the user have used promise-based style or callback style thus I can avoid double computations. I monkey-patch both function and that on-completed setter with ES6 Proxy and now I’m doing expensive computations in both. I want to avoid that. There’s no way kno…

How to render a boolean value in an array with condition

what I’m trying to do is to render every item of the array with the certified value next to it. isCertified is a boolean value in each item of my array I have this error : Error: Objects are not valid as a React child (found: object with keys {name, id, isCertified}). If you meant to render a collection…

curl API PHP using ajax

I am trying to get wikipedia api using curl PHP with geonames. But it seems to be something wrong in the connection between the php file and the script. I have tried the url with hard coded values in the PHP and it works however if I tried to concatenate using $_REQUEST the url doesnt work is like the paramet…

Site gif delay/overlap

The question title may not be very good but I don’t really know how to describe it so here it goes: I have N <td> elements with text (text1, text2, text3…) that when you hover over each of them a pop-up appears with the respective gif playing (gif1, gif2, gif3…). And when your mouse le…

Duplicate components in React after click button

REACT Problem – I would like to do something like this to start the function of creating a new component after clicking on the button. Moreover I want the div element with its content to appear every time I click a button. (in my case my own component) For example when i want to create questionnaire and…

How to set outerHTML with using of cheerio

could someone answer me, how to properly set outerHTML of element by using cheerio. I have a problem with that. Example: Let’s say I have an HTML structure below Parsing it via cheerio and adding some manipulations As a result I expect to have all divs to be replaced with p. But only spans are replaced …

Not understanding payload in update action

I am having trouble understanding in how will the payload look in the first action. Why in the first one there is { } and … , what does that give? How do I pass data into it, when I call it from a component? In the second one, i would just pass an object, but I don’t get the