Mon 05 November 2018
I remember that there are test patterns built into T1 CSU/DSUs, but not what they are or how to turn them on – if I need to know, I’ll look it up.
I remember that there are three QoS bits in the IPv4 header, but not where they are. Probably pretty early, because of hardware implementations.
I remember that lots of people look down on Perl 5’s object system, but not why. I remember the existence and purpose of lots of Perl modules, but not the interfaces.
I edit JSON and YAML every few weeks, but I don …