I am using react.js as frontend and nodejs for the backend. My client-side code is And My server-side code is Front-end output In the server-side code, you can see that I am returning the res.json. but On the client-side, I am not getting the value that I have returned from the server. Please, can anyone help…
Should I use connect or hooks for react redux and which has better performance?
I am using react-redux for my react project, apparently, there are 2 ways to use the redux state connect or useSelector, My redux store has a reducer for each page, For Home Page > homePageReducer For Message Page > messagePageReducer For Authentication > authReducer For User’s blog > blogRe…
How can I update the other select2 selectbox value based on the value of a select2 selectbox?
I tried it like this but it didn’t work. How can I do that? Do not show category option unless Type is selected 1 time selection for both selectboxes (without removing multiple) Answer
Find the point where maximum intervals overlap for certain interval length
I’m trying to maximize attendance to a event given a list of busy times for each person. The event can be scheduled anytime between a certain date and hours (Ex. March 1st to March 8th from 9-5) and that attendance is maximized. So far I’ve tried using a sliding window approach, and a counting app…
How to automatically close the cmd window after executing a seperate node process from it
I’m using a batch file to schedule a .js bot. The bot is exiting his process after he is done with his job but using the batch cmd window as log output. I’m using process.exit(1) to exit his process. …
JS get string from blob
I have a function And I want it to return a string. When I try to use this data blob_hidden_input.value = create_blob(file_object) blob_hidden_value.value is “[Promise object]”. So how to convert promise to string without black magic? Answer Well, you kinda have to do some black magic to make it w…
mongodb project map fields to return from query with wildcard
I’m working on a system where I use a schema with the type Map much like this: I’m trying to query certain parts of the docs in this collection with a projection: I would like to only get the fields in data starting with xy. Do you have any hint how to do that? Answer Since Mongoose’s map ty…
Grouping elements from two arrays to one element of another array [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question I have three arrays that I need to link to each other in this way: arr1 = […
Please help, I have a problem, My conditional didnt work with data I gained from mongoDB.find()
I have a problem, I code using javascript and I use mongodb or mongoose as the database. I have a little information about async / await I made a variable called “thread” to get data from mongoDB using const thread = await Threads.findOne({threadId}) the thread will have data: { “_id”:…
JavaScript function on tag is getting executed without calling and even I applied onClick event listener
I am trying to call a javaScript function on click tag. But the function is getting executed automatically when I didn’t click on the link and I have also applied the onClick event listener for the function call but still, it is getting executed here is the tag here is function Answer The reason why it …