I wanted to time something that uses with_statement, in python2.5.
Importing __future__ in the statement or the setup doesn't work
since it's not the beginning of the code being compiled. Other
than using a separate module, I could only come up with this:
timeit.template = 'from __future__ i
I've discovered that since glibc 2.3.2, getaddrinfo(3) supports a
useful flag called AI_ADDRCONFIG. It turns off lookups if
the machine isn't configured for IPv6 (and similarly for IPv4,
theoretically). This is especially important when behind gateways
whose DNS forwarder silently filter AA
