## Are every problems in EXP karp reducible to any EXP-Complete?

According to wikipedia and other references there exists complete language $$L \in EXP$$ such that for every languages $$L’$$ in $$EXP$$ there exists a polynomial reduction $$f$$ that converts instance of $$L’$$ into $$L$$ in polynomial time. I believe this definition is fine but I have some observation that are confusing me. I construct a language $$L”$$ in $$EXP$$ such that $$L”$$ can not be convert into $$L$$ with polynomial time reductions and $$L”$$ is in $$EXP$$ with an algorithm M in this way:

1) $$input(i,x)$$

2) run $$f_i(i,x)$$ in time at most $$2^n$$ if the computation time is greater than $$n^{\log n}$$ then accept.

3)else accept $$(i,x)$$ iff $$f_i(i,x) \not \in L$$.

Obviously $$Language(M) \in EXP$$ so there exists a polynomial time reduction from $$Language(M)$$ to $$L$$ but this makes a contradiction because M prevents the reductions of less than $$n^{\log n}$$ time to $$L$$.

My question is: where is my mistake?

## Should I label every row in a table of inputs?

I find myself with some frequency creating a grid of inputs using a table where each cell consists of just an input field and the column headers define what the field is for. PHPStorm complains with this setup about the individual fields not having an associated label and I am wondering if providing one is really necessary.

As an example, here’s a table I recently made.

The user can add as many rows as necessary to complete their data entry and each row consists of a simple input in each column. I’d prefer not to clutter the table visually with a label for every input, but should I be adding something for each input for accessibility or is it ok to ignore the warning and leave them unlabeled?

If I should label them, what would be the best way to go about doing so while maintaining a simple design such as this? What would make a good individual label? “Row 2 Adjustment”?

## Preventing a SharePoint workflow from triggering every time I upload a new list item attachment?

I have a list in SharePoint where users can add requests, assign it to a user, and a workflow runs in the background to notify the user via email when something has been assigned to them.

Unfortunately we’ve had issues with MS Flow recently, so I was forced to build the workflow initially using SharePoint Designer (although I believe the principles should still be the same). So apologies for appearing old fashioned here.

SharePoint is very awkward when it comes to workflows that trigger only when a single field is changed and not the entire list item. Here is a screenshot of what I have in place, essentially it will only send an email if the ‘assigned to’ field has changed to a new person’s name. The workflow triggers every time the list item is modified.

This workflow works pretty well, however, we have a big problem when users are adding attachments to the list item. Every time I add a new attachment, it’s triggering this workflow and sending the email. I’m not really sure why, because the email should only send if the assigned to name has changed, but simply adding an attachment is causing the email to send. It means if users attach 5 documents in a row, the assigned to person receives 5 of the same email.

Does anyone know why this might be happening?

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