Drew McCormack
"You should use Core Data" by @atcrawford
<<< Great posthttp://pocket.co/sjIZL
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@drewmccormack Article says that you should use Core Data because Apple uses it for apps, and Apple knows best. But where are said apps?
Marcel Weiher
Michael Tsai
@mjtsai Quick scan shows Calendar, Contacts, Notes, iBooks. More important, 3rd party apps Pixelmator, Tokens, Transmit, Yojimbo.
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@drewmccormack Notes and iBooks don’t use it for syncing, either. Nor for storing large amounts of data. No iWork or iLife apps (AFAIK). -
@mjtsai Won't argue with you on iCloud sync: it's rubbish. iWork etc are pretty old. Think it is all still XML. - View other replies
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@drewmccormack You think that, absent the history, Core Data would make a better word processing/spreadsheet document format than XML? - View other replies
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@mjtsai Probably. Don't know what they do on iOS. I guess they split the XML into multiple files for partial loading. Ie, primitive DB. - View other replies
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@drewmccormack@mjtsai FYI, the text of Moby Dick is 1.2MB uncompressed, so that's 10 Moby Dick's for 1 full screen retina iPad image. -
@mpweiher Text is small, structure much bigger. Doubt a big keynote XML could load into memory on iOS. Images are easy. Mostly stay on disk. -
@drewmccormack Just tried 25 page Keynote doc on desktop, structure in-memory << 11MB -> 50 page << 22MB. Even on iPad 1 only 10% of mem. -
@mpweiher It depends what is on the pages. I have some keynote presentations that are hundreds of megs on disk. - View other replies
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