úlfurinn

This is the combined feed of all updates. Alternatively, you can follow separate feeds of long-form posts and links I found interesting.

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“A City Is Not a Tree”

…designers, limited as they must be by the capacity of the mind to form intuitively accessible structures, cannot achieve the complexity of the semilattice in a single mental act.

Medieval Myths Bingo

24 common misconceptions about Medieval Europe debunked with extensive citations.

Social Democracy
A browser game about not letting the nazis win.
Emergency 'epmd' recovery

Suppose you’re running an Erlang application (ejabberd, for instance). It’s been up for months and months but then you try to use a remote control script (like ejabberdctl) and it fails, probably saying things like “nodedown”, indicating it cannot communicate with the Erlang node; yet the application itself is apparently running just fine. Running out of ideas, you run epmd -names and, to your horror, it shows an empty list.