Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] handling exceptions [See exception handling] __hash__ method, adding to Borg class Haskell programming language haystack.count method heap property heap, retrieving data in order heapq module 2nd 3rd histogram HTML [See also XML] [See also XML] converting documents to text on Unix encoding Unicode for mail, sending htmlentitydefs module HTTP checking content type via monitoring networks with HTTPS navigation, authenticating with proxy for |