posting code snippets

[Mark H. Harris]

hi folks,
   Its been too long... can't remember... are there rules here about posting code snippets, or length considerations, and so forth?  
   Seems like there was a place to share code snips outside of the message area?   

   A related question, is there a python repository for uploading  py  files, patches, suggestions, etc?

   What is the correct venue protocol for contributing code source?

tnx...   happy Thursday!