Questions tagged [limit]

Describes various restrictions placed on data or resources, such as controlling the size or value of a variable, managing the rate of incoming traffic, or monitoring CPU usage. It is recommended to use [tag:sql-limit] when discussing the LIMIT keyword in SQL databases.

Restricting folder quota for PHP AJAX image uploads

Currently, I am working with Ajax PHP to facilitate image uploads to a specified folder. My objective is to restrict the storage space for these images to 50 MB. It seems like I'm heading in the right direction, but unfortunately, my code isn't functioning ...

Restrict the duplication of div elements with JQuery

Here is the structure I'm working with: <div class="checkmark-outer"> <div class="checkmark-33"> <div class="fa-stack fa-1x checkmark-icon"> <i class="fa fa-circle fa-stack-2x icon-background"></i> ...

PDO SQL Query Not Restricting

After executing a query to the database with LIMIT 10, I'm not getting any results. It seems like there might be an issue with my code. Can anyone spot the mistake? Here's the code snippet that I believe is causing this unexpected behavior. I'd appreciate ...

Controlling the Quantity of Selected Checkboxes with JavaScript

I am facing an issue with implementing multiple checkboxes with limits in JavaScript, as shown below. $(".checkbox-limit").on('change', function(evt) { var limit = parseInt($(this).parent().data("limit")); if($(this).siblings(':checked&ap ...

Choose up to three elements using jQuery

DEMO I'm currently working on a project where I need to select only 3 items at a time. However, all the elements are being selected instead. Can someone please provide guidance on how to achieve this? "If a user wants to select another element, they sh ...

PHP function preg_match has a limit on the maximum number of non-greedy matches allowed

Is there a maximum number of times the non-greedy .*? match can be used in a regular expression in PHP? I have a haystack that is approximately 200k characters long and I need to determine if 75 numbers are in the correct order. While I am aware there may ...

Performing a MySQL UPDATE with specified LIMIT and ORDER BY clauses can help

Hey there, I've been doing some research on using UPDATE with LIMIT and it seems that it might not always return the desired results. Currently, I'm successfully running this query but I have concerns about its scalability once my dataset grows in size. I ...