So I’m trying to access an array inside an object: this is what i get in the console log: map isn’t a function, and forEach is undefined, I was trying to do key value on it but the value returned me [object object] or undefined. What am I missing? Answer You initiate data as an object {} and the f…
Tag: javascript
Javascript logic to sort object based on contains logic
I have an object as shown below: {abc: value1, ab: value2, ade: value3, cde: value4, fgi: value5} I want to write a function sortByinput(input) that takes input as an argument and sort the given dictionary in such a way that the keys that include input should be sorted at top in alphabetical order and the key…
React Router works only after refreshing the page
I am a bit new to react and I am facing a problem with the Router. The routing works when I enter the URL directly on the browser, however when I click on the link, the URL changes on the browser (e.g http://localhost:8080/contactus), but the content don’t get updated (But if I do a refresh, it gets upd…
I have a quick question about how this linked list merging code works
Im confused on how head.next returns the entire list instead of a next value such l1,l2,dummy .next does in the code below. particularly I’m wondering how head.next returns an entire sorted array and skips the -1 value that was input on the second line. Answer Maybe it helps when visualising how the lis…
Powershell with Selenium: Error: element not interactable
I need to update a textarea with a value. The code below throws an error “element not interactable”. This is because the textarea has “display:none”. If I remove the word NONE manually and then run the script again, it works great and is able to set the value of the textarea. So the on…
Firebase Functions times out when using puppeteer’s browser.newPage()
I have seen others having relatively minor performance problems with puppeteer running on Firebase Functions. In my case, Firebase times out before I can do anything with puppeteer, even with the memory and timeoutSeconds cranked all the way up. Code: Here’s the resulting Firebase Functions log. It take…
SparkAR – how to track a plane surface (not image target)?
Is there any way to implement target tracking in SparkAR, but track the current plane where the 3d object is placed, instead of a predefined target image? So, for example, I’m placing a 3D object on a paper with a drawing, and when I move the paper around, the object should stick to it. But it can be an…
!createcategory | doesn’t create category | What to do? Discord.js
The code used to work, but somehow I forgot what I did with it and didn’t code for 2 months or so… The function should be – when you write !createcategory it should create a category with voice and text channels in it. The category should be named by your user name. There is no error in the …
How to add value to Map initialized in state using react?
I have application and i need to keep search history, in my opinion Map is suitable here: to update it use setSearchHistory(new Map([[text, result.repos]])); but it replaces Map with new Map, could you please tell me how can i add value to Map initialized in state ? Answer State updater function returned by u…
Vue 3 setup reactive fetch with async json
I’ve installed Vue 3 and want to populate a reactive object with fetch from a JSON API. My component looks like below. I don’t get any errors but I don’t get any results either. I expected to get a number on the screen because that’s what’s in total in the JSON file. On state.tes…