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Author: Subject: PID control for older hot plate?
bariumbromate
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[*] posted on 19-9-2025 at 00:33


i think there is an error here that the administrators should look at

this forum did not exist in 1970?

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bnull
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[*] posted on 19-9-2025 at 03:42


The forum software runs on a UNIX, which has 1-1-1970 as default timestamp or something like that. The original post was manually deleted or erased by the system and the date reverted to that weird timestamp. I've seen a few posts that are listed by name and are nowhere to be seen.

Edit: It is called UNIX epoch.

[Edited on 19-9-2025 by bnull]




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davidfetter
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[*] posted on 19-9-2025 at 11:03


What's happening underneath is that a data structure that used to have the information used to create a timestamp by adding seconds to the aforementioned UNIX epoch either doesn't exist any more and whose absence is interpreted as 0, or (much less likely) has been set to 0 and not actually erased.

There's a problem coming up in 2038, when early versions of the aforementioned data structure will overflow, but that's not what's happening here.
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