I am developing a chatting application. I have written a SQL to get the active chats associated with the user. It used to get user to user chat and group chats based on sort it in descending order based on…
VScode has been crashing every time I open it, used to work perfectly before. Its extremely slow (25-35s) to start and is unresponsive immediately. Unresponsive&&SlowStartup The window is not responding You can reopen or close the window or keep waiting.…
The Output should be only: rabbit and bibe but im getting it wrong all in the list is printing because last index has 'b' as well how can i print the specified element that contain only 'bib' let str =…
The task is to sum the products of multiplying each float in array A with the corresponding element in array B. The arrays could have tens of thousands of elements, and must run say 100,000x sec to handle a real-time…
I understand React Native re-renders component in which setState is called. In example as I tested, there are 7 re-renders per 7 setStates in useEffect codes: const pullData = async (numToPull, filterPull, sorterPull) => { setToSpin(true); const response = await…
I'm trying to use a regex in javascript where special characters and leading and trailing spaces are not allowed in an input element. Maximum character length is 50. The regular expression I'm using is /^[a-zA-Z0-9]+([ ]?[a-zA-Z0-9]+)*$/ But this is causing…
I need to iterate over a large set of records and count the number of distinct values in a particular field: >> const cats = [ {name: 'Sophie', color: 'black'}, {name: 'Moo', color: 'grey'}, {name: 'Tipper', color: 'black'} ] >>…
I'm trying to add filter on populated data. "populate": [ { "path": "attachments", "select": "_id type", "match": { "type": { "$in": [ 2 ] } } } ] Data without filter [ { _id : "6e43454gvbnbvb7888", name: "T1", attachments :{…
Postgres behaves radically differently on parameters that don't change the result. -- This query is fast (~ 40 ms) WITH filtered_scans AS ( SELECT id FROM scans WHERE scans."createdAt" BETWEEN NOW() - INTERVAL '26 day' AND NOW() AND scans."applicationId" =…
Is it possible for javascript I include to cause the downloading of other external js files to abort so my page load and render time isn't affected by them? I'm using a site builder called AgentFire that's based on Wordpress.…