I need to write a function that can take an indefinite number of arrays containing integer numbers and it should return 1 array which is the accumulative symmetrical difference between those arrays. Only two arrays are compared at a time. So [1, 2, 3], [3, 4, 2], [1, 5, 3] would first result in [1, 4], (compa…
Does the reserved keyword ‘implements’ in JavaScript have any usage?
I noticed implements is a reserved keyword in JavaScript. However, I haven’t come across any usage for that keyword. As a fact I know there’s no concept of interfaces in JavaScript unlike other programming languages such as Java, which utilises implements keyword when implementing an interface. Al…
Why does this short circuit evaluation return undefined if first value is false?
I have an example similar to this where the first expression evaluates to false and the second is undefined but the overall expression returns undefined into valueResult, shouldn’t the first false value terminate the check and return false? I have added console log statements and a debugger and this is …
Any way to force refetch when using endpoint “initiate” function of redux-toolkit
I am using: But Im receiving following error inside redux: I found the meaning of this error at this question: It means that an asyncThunk was not executed due to condition. If you are using RTK Query, that just means that another request was skipped because there was either already a request in flight or alr…
PhpStorm: Highlight Elementor Backbone Templates
Is there a way to highlight Elementor Backbone templates in PhpStorm? The code is gray and sad at the moment. Answer PhpStorm does not support code highlighting in the Elementor backbone template. You can check out this comment thread on the Elementors GitHub repository.
Vue3 onMounted props not defined
How do I get access to my properties with vue3, onMounted function? I’m using the setup script tag: configuration is not defined. Why is this the case? Answer Try this:
Mongoose how to count unique days in a month?
i am working on a problem where in my database there supposed to be multiple entries from day to day. each entry includes a timestamp. the problem is im supposed to find how many days in each month a data has been entered. ex: if a user sends a message every 2 days in may. my answer would be: “the
React Native TextInput sends input on second press
Guys i’m new to React Native and also not good at JavaScript. In my app i have 2 TextInput and a Pressable button but the output is not making sense. I’ve tried to change timing of execution of some lines but result is the same. I’m using: expo, react native 0.68.2, android api 30 (Android S…
Fire event on radio group after some time delay
I am searching for a solution to let an event fire on a radio group after some time delay. Specifically, I need to ask users a question and want to submit their input without having the users click a separate button. At the same time, it shall be possible that the user clicks different radio buttons while con…
js Daterange Picker time picker showing current time in time range
I want to show time from 00:00 to 23:59 in custom range option for time picker. By default custom range is selected for me. It works with predefined ranges but not with custom range. I couldn’t find any option in docs to set time picker range for custom range time picker. Here is my initialization code.…