Ive made a fairly simple movement script for a web based game I am making and I noticed that when a key is held down, it runs the movements once, waits a while, then starts moving continuously. I assume this…
There is React application with one route. I make several API requests to get data from backend. While fetching I show loading spinner and actual data after successful requests. I need to get time in milliseconds how much time did…
Caching is a fundamental aspect of optimizing web applications for speed and efficiency. so it's critical to decide the best method and strategy in order to use it. as far as I'm concerned both of them (serviceworker & laravel cashing)…
I need help optimize below postgresql query. Currently its taking more than 3 min to get the data , due to that my API got timeout ,can you please help me to get the result set within 59 seconds. Thanks…
I'm trying to learn Normalization concept using object. I'm having doubt in that Normal Array of Object: const state = { users: [ { id: 1, name: "Alice", posts: [{ id: 101, title: 'Post 1', comments: [{ id: 202, text:…
I have a MYSQL database with a table 'product', about 500 000 rows, with a column 'oem' (varchar 255, utf8_unicode_ci). I have another table 'oem' with a column 'oem' too (varchar 255, utf8_unicode_ci), about 150 000 rows. I need to…
I'm currently exploring strategies to optimize data storage and retrieval for an enterprise-level application that demands high scalability and performance. In my quest to enhance efficiency, I've considered leveraging React's capabilities such as memoization, PureComponent, and React.memo. One approach I'm…
I have a table named "Applications" where I keep track of the applications made by my candidates to vacancies. Now, I need to write a statistical query for HRs, and when an HR logs in, I should bring the candidates…
I have the following query: select count(*) as aggregate from users where date(created_at) < '2024-04-01'; It returns 2337355 which is a correct number. But it takes over 1.5 secs to be executed. Any idea how can I make it more…
I'm working on solving this problem on leetcode (https://leetcode.com/problems/linked-list-cycle/description/) and my original solution exceeded the time limit (Example A). I was eventually able to make the solution fast enough by changing two lines of code and the solution was accepted…