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last post in thread is still missing

 
pollinator
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This bug has been reported often before. There appears to be a very basic indexing or thread display bug in the forum software that should be (repeatedly) brought to the attention of the developers/maintainers. It probably has to do with the logic used to create the message list which gets displayed for each/any particular thread - most likely the logic fails either where it selects the _first_ message for display OR where it determines the _last_ message for display. This type of error can be really hard to find/see because:

1) When one starts or stops a list one deals with a counter which might begin at either "0" or "1"; it varies with program design and can get very hard to keep track of "down the road". The programmer must decide whether to perform an action (in this case, list a msg) at the current point in the program _OR_ increment the counter and _then_ perform the action. It can gets confusing which option is needed when the value of the counter is more than 2 or 3.

2) if this logic takes place in MORE THAN ONE PLACE in the program instructions, it becomes difficult to find all the places one has to apply a correction. This latter issue can be greatly improved by careful software design but when maintaining a large existing system one doesn't have the option to redesign the whole @*^#**() thing.

I am following this forum:

https://permies.com/t/32423/food-medicine/Food-Cure-documentary-cancer

When I received an email note about a new posting I copy/pasted the enclosed link to view the thread, opened a browser and viewed that thread. The last post talked about Ben Goldacre's comments about alt medicine vs. his comments on industrial medicine. I then logged on to ensure that my history would show that I had visited the thread and thus would continue to receive email notification when a new message was posted. On scrolling to the bottom of the thread I found the last message which I has just read was now missing and I can no longer view that message at the end of the thread.

This has been a consistent bug. It probably will require a lot of tedious time to fix it. I understand that - I spent 25 years in IT, 10 of them writing stuff like this and I know debugging can be a PITA. But it's an in-your-face hassle for all participants so I'm bumping it again here. I will try to enter the forum again as a "stranger" after I log out and see if I can view the last message; if I can do that I will edit this message and post message numbers. However, that really doesn't matter because the problem just bounces down to whatever message is "last" in the thread.


Rufus
 
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Hey Rufus:

Try it now.

Jen
 
Rufus Laggren
pollinator
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Hi Jen

I just came back in w/out logging on using the same link from the email. I saw at the end of the thread two messages from Jeff Bartol (I don't see any message numbers displayed - thought I remembered seeing messages numbers at some point?). Upon logging in I still see the same messages at the end from Jeff Bartol.

So from appearances I can now see all (including the last) messages. This is nice and I hope all is well and there is just some tiny glitch. If you waved your wand to fix this, thank you. <g> But it looks mysterious. I will revisit if I chance to see the problem again.


Rufus
 
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