sanjay sir has released new hashing notes

sanjay sir has released his new hashing notes. Here is the link:
https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxzYW5qYXlnb3N3YW1lZXxneDozMjQzMjJlYzM3MjI4MTNk
  his blog id for more material:
https://sites.google.com/site/sanjaygoswamee/