## Touchpad randomly disabled upon reboot on lenovo x1c7

Just switched from apple to lenovo (carbon 7th gen), installed Ubuntu (19.04, with 5.0.0-25-generic). However, the touchpad randomly is disabled upon reboot (it is activated in the system settings). After rebooting the touchpanel sometimes starts to work, sometimes doesn’t. This happens only with the ubuntu partition, not with Windows. Can somebody help?

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## Data Structure for applying transformations upon universe of tuples

Problem

I want a data structure which describes a universe of tuples all of length $$n$$, $$U$$. In $$U$$ we associate each $$tuple$$ with a non-negative value, which we will denote as $$U.count(tuple)$$. If $$U.count(tuple)=0$$, then we consider $$tuple$$ to not be in $$U$$. I want to be efficiently update these $$U$$ with five operations, some of which involve two fixed constants $$maxVal$$ and $$minVal$$. (to clarify, $$maxVal$$ and $$minVal$$ should not change throughout the process, and should a tuple in $$U$$ should never have a value which exceeds $$maxVal$$)

1) `append(U,c)`: yields an updated universe $$U’$$, $$c$$ should be below $$maxVal$$. For each tuple $$t$$ in $$U$$, make a copy $$t’$$, and append $$c$$ to $$t’$$. For each $$t’$$, $$U’.count(t’) = U.count(t)$$.

2) `add(U,c,i)`: yields an updated universe $$U’$$. For each tuple $$t$$ in $$U$$, we create a copy $$t’$$, and add $$c$$ to $$t'[i]$$. If $$t'[i], then then $$t’$$ is in $$U’$$ and $$U’.count(t’) = U.count(t)$$. Otherwise $$U’.count(t’)=0$$ and for our purposes we no longer need to keep track of it, and can exclude it from $$U’$$.

3) `merge(U,i,j)`: yields an updated universe $$U’$$. For each tuple $$t$$ in $$U$$, we create a copy $$t’$$, we pop $$t'[j]$$, and add its value to $$t'[i]$$. In this case, there can be multiple tuples $$t$$ which correspond to $$t’$$ in $$U’$$, thus let us initially say $$U’.count(t’)=0$$ and then add to this. Now, if $$t'[i] < maxVal$$, $$U’.count(t’) = U’.count(t’) + U.count(t)$$.

4) `finish(U,i)`: yields an updated universe $$U’$$. For each tuple $$t$$ in $$U$$, we make a copy $$t’$$ and delete $$t'[i]$$. Again, for the same reasons as in 2, let us initially say $$U’.count(t’) = 0$$. If $$t[i] > minVal$$, then $$t’.count = t’.count + t.count$$. At the end, all $$t’$$ with non-zero count are included in $$U’$$.

5) `combine(U1,U2)`: yields an updated universe $$U’$$, $$U_1$$ and $$U_2$$ should have same length tuples. For each $$t$$ in $$U_1 \cup U_2$$, $$U’.count(t) = U_1.count(t) + U_2.count(t)$$

My thoughts so far (messy)

If we did this naively, and represented $$U$$ as a list of the tuples with non-zero, this would be horribly inefficient. Let’s assume $$U.count(t) \neq 0$$ for all $$t$$ that don’t exceed $$maxVal$$. Then, with $$maxVal = 10$$, a universe for tuples of length $$4$$, that’s 10,000 if statements for the `add` operation…

I think one optimization would to have a tree, where the first level has nodes for each value of $$t$$, and the child of a node are the next element in the tuple. I’d imagine you’d do this by having a list of all your first level nodes. Each node itself, is represented as a tuple of its value, and a list of its valid children, or $$U.count(t)$$ for leaves. With `add` at lower levels, you have much less updates to do, and by ordering children in a fixed way according to their value, and keeping childless nodes as placeholders, your only need to do the validity check once too. Furthermore, to make `append` efficient, instead of having the levels be consecutive indices, we could make the order arbitrary, describe the tree-level to tuple index conversion with another list. For stuff like `combine` I am less sure what’s a good way to do things, maybe it would be beneficial to actually sum the counts of shared tuples, but maybe there are a clever cheats or work arounds…

My explicit questions

1a) Is there an efficient data-structure which performs these operations?

1b) Otherwise, are there some general rules of thumb for data structure which are relevant for this problem or my proposed solution?

2) Same as above but for the case where `combine` is applied to a very large number of universes, instead of just 2.

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## How much memory can a Mesmerized subject draw upon?

It’s been established that in this edition, you can’t Mesmerize someone into recalling things for you; if you say, “Tell me your mother’s maiden name,” what you get is “Your mother’s maiden name.” But it’s also clear that you can use what memories you have to accomplish a task; if I say, “Go to the ATM, withdraw \$ 2000 dollars, and bring it to me,” that’s something that can happen — even though they’d need to remember their ATM code to do it. (This was demonstrated when, in the third episode of the L.A. by Night livestream, Victor Temple is unable to compel the reporter to say what he knew about the car theft, but he was able to command him to go get his notebooks and bring them to the club.)

So, if I Dominate someone to “sing the Star-Spangled Banner,” presuming they know the song, do they do so? Or do they struggle to harmonize on the phrase, “The Star Spangled Banner”? In broader terms, what is a good guideline for what the power of Mesmerism can and cannot accomplish in Vampire: the Masquerade 5th Edition?

## Can a Tomelock swap the Book of Ancient Secrets invocation with itself upon level-up, and gain more than two ritual spells that way?

Eldritch Invocations (PHB, p. 107):

…Additionally, when you gain a level in this class, you can choose one of the invocations you know and replace it with another invocation that you could learn at that level.

Book of Ancient Secrets (BoAS) (PHB, p. 110):

Prerequisite: Pact of the Tome

You can now inscribe magical rituals in your Book of Shadows. Choose two 1st-level spells that have the ritual tag from any class’s spell list (the two needn’t be from the same list). The spells appear in the book and don’t count against the number of spells you know. With your Book of Shadows in hand, you can cast the chosen spells as rituals. You can’t cast the spells except as rituals, unless you’ve learned them by some other means. You can also cast a warlock spell you know as a ritual if it has the ritual tag.

On your adventures, you can add other ritual spells to your Book of Shadows. When you find such a spell, you can add it to the book if the spell’s level is equal to or less than half your warlock level (rounded up) and if you can spare the time to transcribe the spell. For each level of the spell, the transcription process takes 2 hours and costs 50 gp for the rare inks needed to inscribe it.

Assuming that the DM rules that the Rituals learned by BoAS don’t vanish upon dismissing (old) BoAS:

Is it possible by RAW to gain two new ritual spells with every warlock level by switching the BoAS invocation with the BoAS invocation upon level-up?

Bonus:

Assuming that the DM rules that the spells learned from BoAS vanish:

Can a warlock copy a spell from his Book of Shadows to his Book of Shadows and preserve the Spells in this way to get more ritual spells by switching BoAS with BoAS on level-up?

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## Looking to add a SharePoint list that is used to gather requests for tasks and notify upon completion

So I am working on a SharePoint list that is to work as a database for inspection requests. Along with all the information of the request, in the list there will be three columns that each specify the name of a person(engineer) on the network that is linked to the request. I would like these people to be email notified when submitting a new request and also be notified upon Approval/Rejection of the inspection. I am very new to SharePoint online and am not sure what the correct direction would be for this. I’ve heard there is built in task completion functions within SharePoint but am unsure if this would be ideal for my situation or how it would work(as a column or some external workflow or what)? Can anyone help lead me on the right path?

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## Is there a way to auto-load an image in Fantasy Grounds, upon clients connecting?

Basically, I want to leave the server on, and when clients connect, I want an image/background to load, to start setting the mood/ambiance. I will be away from my computer, so, I won’t be able to manually do this every time someone connects. How could I do this?

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## How to send email to user upon change in a certain column in SharePoint online list?

I have a sharepoint list to submit requests for a task to be done. In each item there will be assigned a certain person to that task. I want this certain person to be emailed upon having that item status changed to “Accept” or “Reject”. So based on the “Status” column, I want the person in the “Engineer” column to be emailed about a change to the status of the item they are a part of…

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## Chromium asks for password for Default Keyring upon every start

SO this might seem like there are a lot of answers for this but I have tried a lot of them and they all do not work. First the top result on google is from 2011, and so not working in 2019 of course.

and all the others seem to mention setting stuff in password and key-ring and
i do not seem to have that on my Xubuntu 18.04. My version though says

Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic

But im on Xubuntu. I search the start menu area for key ring and or password and nothing is there. I then apt-get installed key-ring from online command code and it says its already installed but I cant access it or see it. I go under settings and there is nothing for key-ring or passwords.

So I can use some help figuring out how to stop that password prompt from popping up please

thanks

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## Webform conditional select options based upon another element’s state

Say there are two select elements with dynamic options (via an options alter hook, sourced from an external resource): A and B. There is also a datasource that provides a relationship that determines the options in B that should shown when a particular selection in A is chosen.

The source data for each element in addition to the relationship data source is not able to be predicted or controlled by Drupal.

For example:

A Options at a particular instant

``| name | code | | Group 1 | 1 | | Group 2 | 2 | | Group 3 | 3 | ``

B options at a particular instant

``| name | code | | Thing 1 |  1 | | Thing 2 | 2 | | Thing 3 | 3 | ``

The relationships at any given time.

``| group | thing | | 1 | 1 | | 1 | 2 | | 1 | 3 | | 2 | 1 | | 2 | 2 | | 3 | 3 | ``

So if group 1 is selected for A, then things 1, 2, and 3 should be options for B

If group 2 is selected for A, then things 1 and 2 should be options for B

If group 3 is selected, then only thing 3 should be an option for 3.

We are currently implementing this requirement through the core FAPI and ajax callbacks, but would like to covert it to use Webforms.

What would be the recommended approach to take in order to solve this with Webforms?

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