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USSMICHELLEBACHMAN posted:this image demonstrates how absurd and superstitious you are makes u think
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Mar 18, 2014 15:46
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Nomnom Cookie posted:Dewey decimal is a poo poo filing system, library of congress is much better they're both pretty bad, loc (based on thomas jefferson's library) has two letters for history, but an loc call number with cutter number tells you much more than a dewey number does
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Jan 19, 2022 18:59
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Soricidus posted:i guess? it was a clunky text mode terminal thing, probably running over telnet. felt old-fashioned at the time. maybe something on top of https://en.wikipedia.org/wiki/Z39.50?
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Jan 19, 2022 19:05
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mystes posted:That's not something you would interact directly with as a user eschaton posted:yeah that’s what the backend uses for its representation] ah, okay we still have some edge notched cards at work and they're very cool  quote:Edge-notched cards, however, were not intended to be read by machines such as IBM card sorters. Instead, they were manipulated by passing one or more slim needles through selected holes in a group of cards. As the needles were lifted, the cards that were notched in the hole positions where the needles were inserted would be left behind as rest of the deck was lifted by the needles. Using two or more needles produced a logical and function. Combining the cards from two different selections produced a logical or. Quite complex manipulations, including sorting were possible using these techniques.
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Jan 19, 2022 22:57
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