Drupal 7

Programmatically enabled a payment method in commerce

Lock/unlock a field

Override Clientside Validation email implementation to support the old format

Migrate entity's "changed" time

Forced image style generation

Add an entity property for the Node which can be used as Search API index field

Force Search API To Re-index affected Commerce Entities/Nodes after "Discount" manipulations

Retrieve Drupal menu items

Limit the views results to current site language when using entity translation

Get all the fields of a certain field type

Programatically create a profile2 record on user insert example

Get current's theme logo

How to make unpublished nodes "404 Not Found" instead of "Access Denied" for those without access

Implementation example of text_format form element on a custom admin page

Programmatically create a text format

Verify, Define and Get Drupal admin paths

Delete a content type programmatically

Add JavaScript file/library and JavaScript setting in a renderable array by using #attached property

Drupal attach Js to form or renderable array

Programmatically delete a field

Programmatically Create and Enable a view mode for a entity

Programmatically assign permissions to roles