## Maximum certificate duration

Using `openSSL`, it looks like the maximum `-days` I can use is 11499 based on the conversation here. However, if I want to sign it by a certification authority, how long will be the maximum certification duration?

## documentation – Policy for Information: “information relevance duration”

We want to create a small policy in our company about where to store information.

It depends on something which I would call “information relevance duration”. I don’t know if this term exists. Example:

• short-term: Daily messages are in our chat or mail messages. Relevance duration: up to 4 weeks.
• mid-term: Tickets or office docs should be used for information which is longer relevant than 4 weeks. (Usually project related stuff)
• long-term: If information is relevant for more than three months and not only related to one project, it should be in the central wiki (for example HR policies)

Now to the question: Is “information relevance duration” the right term?

I tried to find similar guidelines/policies with my favorite search engine, but I failed. I guess I used the wrong terms.

## dnd 5e – House Rule – Upcasting Enlarge / Reduce to extend duration

The party is deep into my 5e-updated classic Greyhawk Giants series.

The hill giants and their orc and goblin minions have attacked the Sterish city of Headwater and have taken about a quarter of the city. The party is about to embark on a mission to go behind enemy lines, kidnap and assassinate a stone giant who is critical to the hill giants’ city / siege offensive as being their only trained engineer. While the party’s patron recognizes that the stone giant needs to die, she also recognizes that at present the Stone Giant Thane has not joined the giant alliance and wants to keep it that way. Thus, she is requesting that they carry the body of the slain giant honorably back to his Thane in an effort to preserve a fragile peace between the humans and the stone giants. I would like the party to be able to accept this mission, without it becoming either a logistical challenge involving wagons and draft animals, or without loaning them a portable hole.

Instead, I would like to provide them with a version of the Enlarge / Reduce spell which is in all aspects identical to the original except that it can be upcast to extend the duration.

I figure the giant is 17 feet high and 1000 pounds; after reduce it would be 8.5 feet and a manageable 125 pounds.

For this version of Enlarge / Reduce I am proposing that:

When cast at 3rd level against living creatures, it lasts 10 minutes

When cast at 3rd level against objects, it lasts 1 hour

When cast at 4th level against living creatures, it lasts 1 hour (similar to polymorph)

When cast at 4th level against objects, it lasts 8 hours

When cast at 5th level against living creatures, it lasts 8 hours (much less than geas)

When cast at 5th level against objects, it lasts 24 hours

The party Wizard is currently 8th level and getting close to 9th. Requiring her to use both her fourth level slots and maintain concentration for the duration of travel every day in order to move swiftly and stealthily into the mountains with the body is just the right level of challenge for the group.

My only concern is that allowing this version of the spell to the party wizard permanently will have some unforeseen interaction with some other spell, ability, or item that I will later regret. This question, for example, asks about upcasting enlarge to permit two changes in creature size, and answers identify the interaction with levitation and grappling being problematic. I am interested in a similar troubleshooting review.

## dnd 5e – How many horns can be fired from Alicorn Lance during its duration?

I am somewhat confused by the wording of Alicorn Lance as stated in Elminster’s Guide to Magic.
The text states:

A transparent alicorn (unicorn horn) forms about 2
inches from your brow. Starting the turn you cast
this spell, for the duration you can use a bonus action
during each of your turns to launch the horn at a
creature you can see within range.

I am confused about the supposed contradiction between “during each of your turns” and “launch the horn”.

Does it return between launches? Does it reappear? Does it ever leave your head in the first place?

Can you launch a new horn each round?

Or is it just a single-shot effect that you can use on one bonus action that occurs during the spells duration?

## sharepoint online – Can I leverage the built-in Duration Field in a Events List

Trying to add a view to a spo event list that get the total duration of the events in the list. I found a built-in Duration field accessible though PNP Powershell (e.g. \$event.fieldValues.Duration) that seems to be reporting duration in seconds. I can add the field to a view using Add/Set-PNPView, but when I try adding `-aggregations "<FieldRef Name='Duration' Type='Sum'/>"` to the command, I get count=undefined on the list view.

I’m not used to using the -aggregations parameter so I’m not sure of the syntax and have found documentation to be fairly thin on that point.

## differential equations – How to impose initial condition for a duration of time?

A variable in my coupled pde system, $$X1(t,x)$$, has a piecewice initial condition for a duration.

$$X1(t,x)$$ in a rectangular region between (-20,+20) is raised to 10 gram for 6 seconds”

I don’t have a problem with it’s “piecewiseness” (“$$X1(t,x)$$ in a rectangular region between (-20,+20) is raised to 10 gram”, which I express as `X1(0,x)==If(-20<x<20,10,5)`).

But I don’t know how can I write an initial condition saying “$$X1(t,x)$$ in a rectangular region between (-20,+20) is raised to 10 gram for 6 seconds“.

I tried to add it as an additional initial condition but it didn’t worked. Do you have any idea?

## youtube – Why is this video’s duration incorrectly reported as 466 hours?

This video, while being in reality 13 minutes long, started being displayed with duration 466:16:28 in all other contexts, like in playlists, recommended etc. Why is that?

Using the API, the duration is reported as P19DT10H16M28S, corresponding to the duration shown on thumbnails. What could be the source of this value?

## youtube – Why is this video’s duration 466 hours?

This video, while being in reality 13 minutes long, started being displayed with duration 466:16:28 in all other contexts, like in playlists, recommended etc. Why is that?

Using the API, the duration is reported as P19DT10H16M28S, corresponding to the duration shown on thumbnails. What could be the source of this value?