Perl and Python, a practical side-by-side example.

[Bjoern Schliessmann]

Bruno Desthuilliers wrote:
> Shawn Milo a écrit :

>>     if recs.has_key(piid) is False:
> 
> 'is' is the identity operator - practically, in CPython, it
> compares memory addresses. You *dont* want to use it here.

It's recommended to use "is None"; why not "is False"? Are there
multiple False instances or is False generated somehow?

Regards,


Björn

-- 
BOFH excuse #135:

You put the disk in upside down.