AdePT | Accelerated demonstrator of electromagnetic Particle | Performance Testing library
kandi X-RAY | AdePT Summary
kandi X-RAY | AdePT Summary
Accelerated demonstrator of electromagnetic Particle Transport.
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Trending Discussions on AdePT
QUESTION
I have a cartoon of an antique "detour" sign that has cataphote reflectors embedded in the letters. I want the reflectors to brighten as the image is hovered. That's easily done, I know, simply by swapping out a version of the image with the reflectors darkened with an image of them brightened on hover (per the markup below). However, doing it this way makes the reflectors appear to blink on or off. I want them to get increasingly bright as the cursor nears the center of the image and, of course, dim as the cursor moves away from it, as would occur in real life. (If your headlights beamed at the reflectors at an oblique angle, the light they reflect back would be dimmer than if your headlights hit them straight on.)
My thought is just to increase the opacity of the brightened version of the image in response to the position of the hovering cursor. So, what I need (I think) is a script that detects the cursor position and increases or decreases the opacity accordingly: opacity: 0; at the edge and opacity: 1; at the center. Probably not too challenging for someone adept in javascript/jquery. I've hunted around for a script that does that or something very close to it but haven't been able to locate one that is close enough for me to modify.
I have an additional issue in that in Firefox, at least, the hover image "flicks" the first time it is invoked. I've tried all of the preloading suggestions I could find here on stackoerflow but none of them work. I found that a sprite solved the flicking problem, but wasn't sure how that would work with the way I want the image to animate. Presuming non-sprite images are the way to go maybe if the script invokes the "bright" version of the image at an initial opacity of 0 as the cursor crosses the threshhold, it will also hide the loading "flick...?" Just a guess. Alternatively, I could redesign the hovered version so that it is just the reflectors if that would solve everything else.
Finally, as you can see, the sign is a button that returns a random page. Assuming what I need to solve this problem is a script, can I run both scripts off of the same id (#detour) or should this script use a class name instead? (I am clearly an example of a little knowledge being a dangerous thing.)
Anyway, here's what I've got.
...ANSWER
Answered 2021-Mar-31 at 20:07It's not possible to transition from one image to another on the same element by changing the src
or background-image
value. But you can do it by having both images, and hiding one by default.
Having one image hidden opens the possibility to fade or crossfade between the images. Lay them on top of each other, with the hidden image on top, and show the hidden image on hover.
The image on top can now fade-in by changing the opacity
value. With the transition
property you can control the transition.
QUESTION
My md2pptx code creates slides using python-pptx. It sometimes ignores shapes on a page it doesn't need.
In Powerpoint Slide Show these empty shapes don't appear. In LibreOffice they seem to.
I'm pretty adept at manipulating the underlying XML for a slide.
Is it feasible to remove empty shapes - perhaps by deleting their XML elements? Or does python-pptx itself offer the capability to delete a shape? (I think not.)
Assume I can navigate to the shapes and figure out which ones are empty.
Note: I'm not aiming to delete whole slides, just empty shapes.
...ANSWER
Answered 2021-Feb-12 at 17:36Deleting a "stand-alone" shape is reliable and pretty easy, something like:
QUESTION
I am trying to use the flutter_svg package to load some .svg icon.
...ANSWER
Answered 2021-Jan-20 at 09:58Did you change like below code?
QUESTION
I'm immersing myself in Bootstrap 4, trying to fully understand it and become adept at using it to rapidly develop user interfaces. It's possibly just a semantic thing, but I'm failing to understand the use case for e.g. a Bootstrap success (or info) button. I can see the utility of the colour coding for alerts - what the user has just done can be notified as successful or otherwise. But that is presumably something which occurs AFTER a button is pressed, as an outcome of the button action. But why/when would you click a 'success' button, which triggers an action?
...ANSWER
Answered 2021-Jan-19 at 12:26I think the "Success" button can be used in situations when you want the user to agree with the action that is going to be performed. For example, user modifies some data in the form in modal and in order to confirm or cancel the change, you can use "Success" button with the label "Confirm" and "Danger" button with label "Cancel".
QUESTION
I need help with adjusting my very basic football matches simulation algorithm. It doesn't need to take in account anything other than team rating (combined rating of team players). I came up with something, but the results are not very interesting: picture i.e they almost always end up (zero) - (something)
Here's the algorithm
...ANSWER
Answered 2021-Jan-13 at 18:10for soccer games, 0 is not uncommon, I don't see what's wrong with it. But here is an alternative view: 1> determine total goals, which can poisson distribution. 2> For each of the goal, determine which team goaled, which can use the normlized team strength: A/(A+B) vs B/(A+B). I would suggest something benefit the stronger team more which seems to be more real world result.
QUESTION
This is potentially super easy, but I can't find any documentation on my problem.
There are two ways to define a functions in Scala, one with the def
and the other with the val
keyword. As an adept in functional programming, I'd like to use the latter more.
Now I have a problem: It's no problem to write a def
function with a polymorphic type parameter:
ANSWER
Answered 2021-Jan-10 at 13:54This would require higher-rank types, which isn't supported in Scala 2.
It is supported in Scala 3: https://dotty.epfl.ch/docs/reference/new-types/polymorphic-function-types.html
QUESTION
I git committed a large tar file (tens of GB). Oops. I then made a few more commits. I then tried to push to an existing remote repository on github of the simplest form (a single branch and I am the only user). Upon pushing I received the error:
...ANSWER
Answered 2020-Dec-18 at 19:17I recommend using the interactive rebase tool.
Take a look at https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History (go to "Changing Multiple Commit Messages")
The commit you want to skip is 69ee1de9
, which is 5 commits deep into the history, so use HEAD~5
below.
QUESTION
Good afternoon.
I have encountered one problem when I tried to add GPU(NVIDIA Tesla T4) to an instance of GCP AI platform Notebooks.
The thing I want to do is to start an instance with GPU. But it doesn't work and GCP says
There are no GPUs available for the zone, framework and machine type of this instance.
And when I started an instance, it says
riiid: The zone 'projects/adept-rock-292801/zones/asia-northeast1-a' does not have enough resources available to fulfill the request. Try a different zone, or try again later.
CHECKPOINT 1
I've checked Admin Quota and here's the setting. I guess there's no problem with that.
...ANSWER
Answered 2020-Dec-16 at 11:46This issue has been addressed by a Public Issue Tracker case, here. Since you are still experiencing it, you can leave a comment there and describe how you are experiencing the issue. Thus, the case will be re-opened.
However, there is a workaround. In order to be able to add a GPU to an AI platform Notebook instance after it is creation, follow the steps below:
- Create an instance selecting
Python 3 (CUDA Toolkit 11.0)
and optionwithout GPU
; - Go to Compute engine and select your VM;
- Stop the VM and click edit;
- Under Machine configuration, go to GPU type and add the desired type of GPU;
- Save the changes and start your VM;
- SSH into it and you will be prompted to install the nvidia drivers;
- If you are not prompt, use the following command to install the drivers:
sudo /opt/deeplearning/install-driver.sh
; - Confirm the installation of the drivers with
nvidia-smi
;
Please pay attention to the notes below:
- If you have a firewall rule, the port 22 should be whitelisted. You can use the command
gcloud compute firewall-rules create default-allow-ssh --allow tcp:22
to do so. - It is highly advisable to spread your work load across multiple regions, here;
- Currently, you seem to be using the GPUs instances on demand without the guarantee of capacity since the zone can be depleted. For this reason, if you want to guarantee your resources you can use a feature called Reservations, which ensures that the resources are available for your workloads when you need them;
QUESTION
This question is a follow-up to Why doesn't returning a std::unique_ptr violate unique_ptr's deleted copy constructor? (which is answered here: Returning unique_ptr from functions )
This leads me back to the original problem I'd faced.
I have to work with a function (outside my control) that returns a std::unique_ptr
. I would like instances of a class to have a reference to the object the unique_ptr
encapsulates, but I'm unclear and fumbling with the syntax of what's needed to pull this off.
I hope this sample code makes my intent clear, given that I can't find the right model/syntax to make this compile: I'd like instances of class PtrOwner
to be able to "own" some form of reference to the underlying object encapsulated by the unique_ptr
that is returned by function getUniquePtr()
:
ANSWER
Answered 2020-Dec-02 at 20:46The constructor in your top example tries to copy the unique_ptr
but a unique_ptr
isn't copyable.
You need to move it instead:
QUESTION
I am working on making a Lisp interpreter in OCaml. I naturally started with the front-end. So far I have an S-expression parsing algorithm that works most of the time. For both simple S-expressions like (a b)
and ((a b) (c d))
my function, ast_as_str
, shows that the output list structure is incorrect. I've documented that below. After trying countless variations on parse
nothing seems to work. Does someone adept in writing parsers in OCaml have a suggestion as to how I can fix my code?
ANSWER
Answered 2020-Nov-23 at 21:41I'm going to assume this isn't homework. If it is, I will change the answer to some less specific hints.
A recursive descent parser works by recognizing the beginning token of a construct, then parsing the contents of the construct, then (very often) recognizing the ending token of the construct. S-expressions have just one construct, the parenthesized list. Your parser isn't doing the recognizing of the end of the construct.
If you assume your parser works correctly, then encountering a right parenthesis )
is a syntax error. There shouldn't be any unmatched right parentheses, and matching right parentheses are parsed as part of the parenthesized list construct (as I described above).
If you swear that this is just a personal project I'd be willing to write up a parser. But you should try writing up something as described above.
Note that when you see an atom, you aren't seeing a pair. It's not correct to return Pair (Atom xyz, rest)
when seeing an atom.
Update
The way to make things work in a functional setting is to have the parsing functions return not only the construct that they saw, but also the remaining tokens that haven't been parsed yet.
The following code works for your examples and is probably pretty close to correct:
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Vulnerabilities
No vulnerabilities reported
Install AdePT
CMake >= 3.18
C/C++ Compiler with C++14 support
CUDA Toolkit (tested 10.1, min version TBD)
VecCore library 0.7.0 (recommended, but older versions >= 0.5.0 also work)
VecGeom library >= 1.1.11
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