Drupal: Commerce buy now

This CodeLet will redirect the user to checkout page when user clicks on 'Buy now' button on the product

Use the code and create a custom module

Make sure you keep the weight of the module high in "system" table
 

Set user password using RULES

This CodeLet allows to set the user password during Rule execution, the following process can be used.

  1. create user entity ($newuser)
  2. set a rules variable $password (use PHP code to generate a random string)
  3. execute custom PHP which looks like

This way, you can also use the variable $password in say, an email to the user letting them know what their automatically generated password is.

Drupal: Programmatically manage members of sub groups

This CodeLet let you Programmatically manage members of sub groups. also you can add sub group.
you can inviter/remove peoples of sub groups. Invitation will be sent by email.
after installation of this CodeLet you must have to pass the group gid on query string, 
Ex.  yourdomain/subgroups/$gid.

CodeLet Dependencies:

  1. Organic groups ( og )
  2. Subgroups for Organic groups ( og_subgroups )
  3. OG Invite People ( og_invite_people ).