In this post you’ll learn how to create a WooCommerce product addon checkbox for single and variable products – from scratch, without a plugin!
Add a Product Addon Checkbox to WooCommerce Single & Variable Products – Tutorial
Remove Uncategorized from Google sitelinks without a plugin – WordPress
How to stop Google from indexing your Uncategorized (or any) category and remove it from sitelinks on a SERP without a plugin.
Find WooCommerce products with missing images (SQL)
Finding WooCommerce products with a missing product image is a drag. If you have database access, you can find them all with one handy SQL script. Here’s how!
Order wp_query by the order of your input array
This post explains how to order the output of the wp_query object in the same order as the input array.