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These nodes all have stuff by RRK (showing 1-2 out of ~2?):

Node ID Writeup Created
991404 Re^2: Frequency of amino acids from 'ATOM ' of PDB 2012-09-03 12:04
986694 Frequency of amino acids from 'ATOM ' of PDB 2012-08-10 09:05
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[Corion]: Meh. I have a very simple mechanism to scrape+track prices, and even to send me mail if something changes (via cron), but SQLite doesn't support window functions, so my simple SQL to determine a price change won't work :-( Maybe I should store the DB ...
[Corion]: ... in Pg, but that would mean that I'd have to deal with credentials and stuff :)
[Corion]: In fact, the whole thing is just four simple programs, one App::scrape, another being DBIx::RunSQL, and one some glue to convert a JSON object into an SQL INSERT statement (+DBI connect/execute), so it would be an incredibly simple solution...
[Corion]: ... but that simplicity falls down due to SQLite letting me down and me being too lazy to move to a real DB. Maybe DBD::CSV can handle window functions...
[hippo]: Pg has the "trust" mechanism if you don't fancy using credentials for a trivial db.
[Corion]: hippo: Oooh, that sounds quite nice - let me read the documentation on that :)
[hippo]: https://www. postgresql.org/ docs/current/ static/auth- methods.html#AUTH- TRUST
[erix]: or compile & run an instance as yourself (not user 'postgres')
[erix]: easiest setup is to run with PG* env variables set, and a custom .pgpass files (can be a $PGPASSFILE)
[Corion]: Hmm - "trust" sounds interesting, but I have still to find whether I can restrict that on a per-DB level ;)

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