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Re: The golf course looks great, my swing feels good, I like my chances (Part I)

by Jasper (Chaplain)
on May 10, 2009 at 08:29 UTC ( #763116=note: print w/replies, xml ) Need Help??


in reply to The golf course looks great, my swing feels good, I like my chances (Part I)

The comprehensive test suite is foolish :)

One of the holes I'm doing well in is purely because the codegolf testsuite doesn't cover an edge case (which I saved one or two to avoid).

If you see an entry with a huge number of fails, I think you can assume they've been repeatedly submitting the same, failing solution until it passes on some random test allocation.

This was terrifically interesting, Andrew, thanks!

edit: of course you'd already noticed all this! Why am I not surprised

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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')

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