I found some short snippets of code to set the alt text of images – when the image is uploaded, added to the editor and used as a post thumbnail. I simply combined them into one file.
Add a custom note to your WooCommerce emails. Use actions instead of changing templates. It can be simple or complex.
A very simple maintenance mode plugin for very short maintenance times.
Make the variation dropdowns user friendly by changing “Choose an option” to use the attribute name and be more clear.
Set an upper or lower weight limit for the shopping cart and prevent checkout.
Add CSS classes to post categories to allow for styling them.