Useful CodeLets

This CodeLet adds a tab on node page and display all the visits to the node by users.

This CodeLet set title and body field values using Ajax.
Place this CodeLet to your custom module file(.module) or Create a Custom module for Drupal 8 as per documentation https://www.drupal.org/docs/8/creating-custom-modules.

First of all add a field(field_link) to your content type. after that add an ajax to that field as per CodeLet.
Ajax example to replace multiple fields on ajaxCallback.
You set multiple fields value on ajax trigger in Drupal 8.

This CodeLet will generate the number of Drupal sub sites you specify. It requires path to mysql executable on your server. The sub sites will be pre-populated with an SQL file.

This CodeLet alter the 'uc_paypal_wps_email' variable when PayPal payment is enabled with Ubercart & sets to node author's PayPal account email address.
This requires creating a field on user's account with name 'PayPal Email' (field_paypal_email).

This CodeLet enables a Drupal site to moderate the comments automatically. Once a user's comment has been white lited, all his/her furture comments will be automatically moderated without admin to review them.

This CodeLet creates a tiled dispay of taxonomy block with child terms. If you use taxonomy image module, you can select the preset and taxonomy on block configuration page. The CodeLet then fetches all the tree along with their images and display in tile in the block.

This is just a two lines of CodeLet which allows you to redirect your users after they log in to your site. This not complex and super quick