If I execute query: SELECT '10' AS a_name; it gives 10 AS text type. In case of query: SELECT 10::text AS a_name; it gives again 10 as text. So one could expect that following two queries gave the same result:…
I want to know how to clear the interval and the score, because it works, but when it reaches over 1000 and I hit reset it doesn’t reset fully. I tried putting the clearTimeout functions before everything else, and I…
I have a progress bar the value should be from 0.1 to 1. but sometimes progressValue will over 1, for example refresh the page. Why ? https://codesandbox.io/p/devbox/g9wwqf?file=%2Fsrc%2FApp.jsx%3A6%2C1 import "./styles.css"; import axios from "axios"; import { useState, useEffect } from "react";…
I have this problem where my intervals are not getting removed. When the intervalActive prop from its parent gets changed to false, it should run the function stopPagination, but instead it doesnt. The interval keeps going and it does not…
The users to submit an interval of starting and ending pages that he/she read in a specific book. Note that the user can submit multiple intervals for the same book. I need the query announce the most recommended five books…
Let's assume there is a following table: CREATE TABLE time_interval ( id SERIAL PRIMARY KEY, start_time TIMESTAMP NOT NULL, end_time TIMESTAMP ); Sample data: INSERT INTO time_interval (start_time, end_time) VALUES ('2024-02-10 01:30:00', null), -- pending ('2024-02-10 03:00:00', null), -- pending…
I'm trying to determine the duration of a time interval in PHP, taking into account business hours (from 9 am to 5 pm) on Monday to Friday and excluding specific public holidays. Let's consider the public holidays as 15th August…
I have a problem with the automatic content change. After 7 seconds it should change automatically by 1 (and so it works). The problem is that when the user clicks on the first card, after the carousel automatically goes to…
I have a simple HTML code with two buttons. When one button is pressed, a timer is started. This timer is located in a script that normally would be retreived with JQuery. Then we have another button, that would delete…
I want to change the visibility of the elements of class container_element with an interval of one second one by one. i tried solve my problem with for loop but when i try to setInterval in for loop it stops…