Are MS SQL’s temporal tables here to stay?

We’re considering different approaches to save records’ history in an application.

Some of the managers in charge are concerned that as this is a relatively new feature of SQL server, Microsoft may cease to support it.

Are these concerns justified?
Is there a roadmap to this feature that says what MS intends to do with this feature in the future?

Time complexity – Head stay transition – Turing Machine

I’m checking time complexity in a turing machine. There is a transition that don’t move the head, it justs stays (not right nor left movement) .

Should I count that state transition to calculate the complexity, -even though- the head don’t move? I understand that it should be counted as that step would take a time unit anyway, but i’m not sure really.

Thanks! Sorry for my english!

How can I stay safe when I’m visiting potentially harmful websites on Android 9.0+ or similar MIUI?

I mean harmful by the fact that they might have ads, popups or other ways in which they might transfer malware to my phone or exploit vulnerabilities. And by visiting I mean interacting, clicking on items found on them, playing videos on them, like adult sites for an example of such a website.

Is there a sandbox or a VM on such Android phone that might help? Or am I secured if I have a basic antivirus, NoScript and an adblocker? Is there any you would recommend?

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Does this site come with any social media accounts?

How much time does this site take to run? https://staycent.com/

What challenges are there with running this site?

Where can a party stay in Zhentil Keep in the 1350s DR?

I’m running a campaign set in the 1350s DR and the party has traveled to Zhentil Keep. The party has legit papers from High Hall courtesy of a Zhent merchant they accompanied to the city. They are not aligned with either major faction of the period, the Zhentarim or Harpers. Ruins of Zhentil Keep lists many inns in different parts of the city, in the chapter Zhentil Keep – Then.
Would they be restricted to the Foreign Quarter or could they lodge elsewhere in the city?
What restrictions could there be on their lodgings as neither Zhent or Zhentarim?

Must an unseen servant stay on the ground?

The spell says:

The servant springs into existence in an unoccupied space on the ground within range.

Does the servant need to stay on the ground, or can it move through the air?

Ideally I’m looking for rules-as-written, although since the spell definition does not explicitly say, it would be reasonable to perhaps reference other rules than the spell. Interpretative answers, answers referencing previous editions or lore, or from personal experience might be useful.

Does casting a spell with a long casting time require the target to stay in range and line of sight the whole time?

When casting a spell with a casting time greater than an action, do range and line of sight need to be maintained for the entire time?

For instance, does a cleric casting Prayer of Healing need the targets to be within 30 ft. and in line of sight for just the start of the spell, just the end or for the entire casting time.

Certain spells, such as Identify or Planar Binding, explicitly mention needing to stay within range for the casting time. Other spells like Magic Circle only imply you stay in range since the casting time represent drawing out the circle.

I’m fairly confident that one does indeed, need to stay in range at least. This line suggests that before a spell is cast, it remains limited by its range:

Once a spell is cast, its effects aren’t limited by its range, unless the spell’s description says otherwise.

I haven’t found a rule requiring that one maintains line of sight.

The situation that this question arose from had an uncontrolled celestial being summoned into a magic circle. The wizard began to cast Planar Binding on it and realized that they could simply step into another room while they completed the spell, which seemed to trivialize what might otherwise be a very challenging task.

Can an artificer use Magical Tinkering on a weapon before infusing it (and have it stay)?

This is mainly a question related to narrative/creative license so the reality is that it probably requires a discussion with a DM. But, so as to have a firmer idea of how to interpret the rules interactions, I’m asking the question in advance of that discussion here:

The Artificer’s Magical Tinkering feature grants the following:

At 1st level, you learn how to invest a spark of magic into mundane objects. […] You then touch a Tiny nonmagical object as an action and give it one of the following magical properties of your choice:

  • Whenever tapped by a creature, the object emits a recorded message that can be heard up to 10 feet away. You utter the message when you bestow this property on the object, and the recording can be no more than 6 seconds long.

Artificers also have the ability to infuse weapons but, in doing so, the weapon becomes magical:

Whenever you finish a long rest, you can touch a nonmagical object and imbue it with one of your artificer infusions, turning it into a magic item.

I think it would be fun to have an artificer that has recorded an insult on a non-magical weapon using Magical Tinkering (such as the sound of blowing a raspberry) so that when the thrown weapon smacks into the hostile (ie, is “tapped” by it) the weapon emits the insulting message.


Magical Tinkering states that it ” give[s the item] one of the following magical properties.” Does that invalidate the item as a candidate for a weapon infusion?

Does the weapon infusion, which causes the weapon to become magical, erase (or suppress) the Magical Tinkering effect?

Does Spiritual Weapon stay until the end of its duration if the caster goes uncounscious?

Spiritual Weapon does not require concentration and only has a duration of a minute. When my cleric was knocked unconscious the on-the-fly decision was to keep the weapon waiting around until the end of the spell and I was able to use it again after getting back on my feet. We were wondering however if there was any overall guidance for summons – should they stay until the end of their duration even if the caster goes unconscious?